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Appendix B - Data Dictionary
Post-9/11 Person

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Variable Name Variable Type Variable Length Label Question Number Value Range Code Frequency Weighted Frequency Data File
AGERANGE Char 2 HH member 18 years or older   -1 = Appropriate Skip 37,658 273,813,053 POST-911 Person
-7 = Refused 1 3,495  
1 = Yes 322 2,445,753  
2 = No 97 945,868  
BORNINUS Char 2 Respondent was born in U.S. M8 -1 = Appropriate Skip 8,316 65,394,339 POST-911 Person
-7 = Refused 8 51,962  
-8 = Don't Know 3 24,688  
-9 = Not Ascertained 3 25,918  
1 = Yes 26,830 183,892,408  
2 = No 2,918 27,818,853  
CARRODE Num 8 Number in carpool last week E18 -9 = Not Ascertained 24 169,426 POST-911 Person
-8 = Don't Know 6 30,288  
-5 = Did Not work last week 4 26,158  
-1 = Appropriate Skip 36,751 266,005,867  
1 37 296,983  
2 991 8,097,674  
3 164 1,510,170  
4 49 484,038  
5 19 229,705  
6 14 176,218  
7 4 22,429  
8 1 9,992  
9 3 24,378  
10 3 25,164  
11 1 3,848  
12 3 63,192  
13 1 4,732  
15 2 14,413  
18 1 13,496  
CDIVMSAR Char 2 HHs by Census Division, MSA size, Rail * 11 = New England, MSA 1 million or more, rail 1,076 8,631,848 POST-911 Person
12 = New England, MSA 1 million or more, no rail 301 1,820,476  
13 = New England, MSA less than 1 million 288 1,713,073  
14 = New England, not in MSA 443 2,857,791  
21 = Mid-Atlantic, MSA 1 million or more, rail 2,771 22,856,513  
22 = Mid-Atlantic, MSA 1 million or more, no rail 684 3,772,455  
23 = Mid-Atlantic, MSA less than 1 million 1,164 7,204,605  
24 = Mid-Atlantic, not in MSA 650 3,746,327  
31 = E North Central, MSA 1 million or more, rail 977 7,841,327  
32 = E North Central, MSA 1 million or more, no rail 2,406 16,678,276  
33 = E North Central, MSA less than 1 million 1,678 10,350,912  
34 = E North Central, not in MSA 1,668 9,718,774  
42 = W North Central, MSA 1 million or more, no rail 1,126 7,241,910  
43 = W North Central, MSA less than 1 million 824 4,681,014  
44 = W North Central, not in MSA 1,300 6,904,284  
51 = So Atlantic, MSA 1 million or more, rail 1,798 16,087,695  
52 = So Atlantic, MSA 1 million or more, no rail 1,827 14,485,487  
53 = So Atlantic, MSA less than 1 million 1,875 13,757,502  
54 = So Atlantic, not in MSA 1,459 10,879,869  
62 = E South Central, MSA 1 million or more, no rail 492 3,694,650  
63 = E South Central, MSA less than 1 million 733 5,574,284  
64 = E South Central, not in MSA 908 6,250,087  
72 = W South Central, MSA 1 million or more, no rail 1,695 14,132,016  
73 = W South Central, MSA less than 1 million 1,041 7,968,575  
74 = W South Central, not in MSA 740 5,838,865  
82 = Mountain, MSA 1 million or more, no rail 1,266 9,134,747  
83 = Mountain, MSA less than 1 million 718 4,593,558  
84 = Mountain, not in MSA 708 4,440,171  
91 = Pacific, MSA 1 million or more, rail 1,672 15,738,425  
92 = Pacific, MSA 1 million or more, no rail 2,268 17,850,749  
93 = Pacific, MSA less than 1 million 967 7,297,891  
94 = Pacific, not in MSA 555 3,464,010  
CENSUS_D Char 2 Household Census Division * 1 = New England 2,108 15,023,188 POST-911 Person
2 = Middle Atlantic 5,269 37,579,901  
3 = East North Central 6,729 44,589,289  
4 = West North Central 3,250 18,827,209  
5 = South Atlantic 6,959 55,210,554  
6 = East South Central 2,133 15,519,021  
7 = West South Central 3,476 27,939,456  
8 = Mountain 2,692 18,168,476  
9 = Pacific 5,462 44,351,075  
CENSUS_R Char 2 Household Census Region * 1 = Northeast 7,377 52,603,089 POST-911 Person
2 = Midwest 9,979 63,416,498  
3 = South 12,568 98,669,031  
4 = West 8,154 62,519,551  
CNTTDTR Num 8 Number of travel day trips for this respondent * 0 4,689 34,238,606 POST-911 Person
1 671 5,144,869  
2 8,285 62,371,239  
3 3,868 28,913,011  
4 6,478 47,729,408  
5 3,866 27,901,660  
6 3,527 24,544,521  
7 2,263 15,423,884  
8 1,711 11,885,380  
9 1,044 7,090,210  
10 668 4,778,573  
11 386 2,739,755  
12 253 1,797,544  
13 131 883,388  
14 98 696,725  
15 46 349,833  
16 35 262,175  
17 26 162,240  
18 11 99,648  
19 8 71,038  
20 9 93,767  
21 1 5,704  
22 1 6,572  
23 2 10,276  
36 1 8,143  
CNTTPTR Num 8 Sum of travel period person trips H1* 0 23,603 176,745,982 POST-911 Person
1 9,503 66,110,213  
2 2,776 19,595,576  
3 951 5,955,579  
4 493 3,403,838  
5 238 1,644,015  
6 126 792,421  
7 80 622,978  
8 47 343,170  
9 29 176,488  
10 18 138,246  
11 18 143,108  
12 18 171,144  
13 10 63,930  
14 7 48,670  
15 12 123,808  
16 26 196,254  
17 16 100,923  
18 12 88,488  
19 11 103,222  
20 39 316,761  
21 19 132,235  
22 6 21,452  
23 4 14,684  
24 6 39,742  
25 2 28,715  
26 4 30,250  
27 2 40,970  
28 2 15,307  
CNTTPUNQ Num 8 Number of unique travel period trips H1* 0 23,603 176,745,982 POST-911 Person
1 11,035 77,287,666  
2 2,561 17,492,640  
3 608 3,914,635  
4 162 1,072,063  
5 56 338,417  
6 27 193,434  
7 16 91,434  
8 2 15,265  
9 2 5,010  
10 3 26,200  
11 1 14,315  
13 2 11,107  
COMMDRVR Char 2 Commercial driver E8* -1 = Appropriate Skip 21,193 155,902,643 POST-911 Person
-8 = Don't Know 7 55,970  
-9 = Not Ascertained 12 109,799  
1 = Yes 3,620 25,299,118  
2 = No 13,246 95,840,639  
CONDNIGH Char 2 Medical condition limits driving to daytime M6C -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-7 = Refused 4 38,896  
-8 = Don't Know 68 478,275  
-9 = Not Ascertained 87 557,429  
1 = Yes 1,098 6,950,224  
2 = No 1,371 9,440,780  
CONDPUB Char 2 Medical condition limits use of public trans M6E -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-7 = Refused 5 52,406  
-8 = Don't Know 59 340,705  
1 = Yes 390 3,002,971  
2 = No 2,174 14,069,522  
CONDRIDE Char 2 Medical condition results in asking for rides M6B -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-8 = Don't Know 4 25,213  
1 = Yes 1,503 10,180,104  
2 = No 1,121 7,260,288  
CONDRIVE Char 2 Medical condition requires giving up driving M6D -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-7 = Refused 1 11,387  
-8 = Don't Know 26 243,989  
-9 = Not Ascertained 185 1,211,110  
1 = Yes 572 4,109,417  
2 = No 1,844 11,889,701  
CONDSPEC Char 2 Medical condition requires special transport M6F -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-8 = Don't Know 10 48,606  
1 = Yes 265 2,196,449  
2 = No 2,353 15,220,549  
CONDTRAV Char 2 Medical condition results in less travel M6A -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-7 = Refused 1 9,100  
-8 = Don't Know 4 23,240  
1 = Yes 2,220 14,769,512  
2 = No 403 2,663,752  
DIARYCMP Char 2 Was diary completed G2* -8 = Don't Know 45 412,214 POST-911 Person
-9 = Not Ascertained 132 1,118,225  
1 = Yes 23,416 160,923,484  
2 = No 14,485 114,754,246  
DIFFDATE Num 8 Days between travel day and person interview * 1 20,079 136,809,781 POST-911 Person
2 6,741 50,918,702  
3 3,793 29,966,655  
4 2,921 24,141,790  
5 2,293 17,524,147  
6 2,120 16,864,142  
7 60 434,925  
8 39 346,862  
9 17 117,820  
10 15 83,343  
DISTBLOC Num 8 Distance to work if reported in blocks E14* -9 = Not Ascertained 13,648 93,589,326 POST-911 Person
-1 = Appropriate Skip 23,865 178,984,938  
1 192 1,505,056  
2 60 412,874  
3 56 484,048  
4 56 485,862  
5 46 398,982  
6 36 257,756  
7 13 87,248  
8 28 249,153  
9 12 84,133  
10 17 149,668  
11 4 28,853  
12 11 64,046  
13 1 9,123  
14 3 50,374  
15 5 63,433  
16 1 31,606  
18 1 3,925  
20 2 38,978  
22 2 8,507  
26 1 21,160  
28 1 6,879  
30 4 30,899  
35 1 13,442  
37 1 17,021  
40 1 6,826  
50 2 16,577  
54 1 13,234  
70 1 11,506  
90 1 7,415  
99 1 22,010  
100 1 15,684  
148 1 7,656  
150 1 9,531  
160 1 20,440  
DISTTOWK Num 8 Distance to work in miles E14* -9 = Not Ascertained 13,648 93,589,326 POST-911 Person
-1 = Appropriate Skip 8,314 65,380,403  
0.1 130 1,001,754  
0.11111111111111 62 503,302  
0.22222222222222 60 412,874  
0.25 322 2,521,395  
0.33333333333333 56 484,048  
0.44444444444444 56 485,862  
0.55555555555555 46 398,982  
0.66666666666666 36 257,756  
0.77777777777777 13 87,248  
0.88888888888888 28 249,153  
1 763 5,427,162  
1.11111111111111 17 149,668  
1.22222222222222 4 28,853  
1.33333333333333 11 64,046  
1.44444444444444 1 9,123  
1.55555555555555 3 50,374  
1.66666666666666 5 63,433  
1.77777777777777 1 31,606  
2 1,153 8,559,538  
2.22222222222222 2 38,978  
2.44444444444444 2 8,507  
2.88888888888888 1 21,160  
3 1,041 7,810,525  
3.11111111111111 1 6,879  
3.33333333333333 4 30,899  
3.88888888888888 1 13,442  
4 789 5,662,768  
4.11111111111111 1 17,021  
4.44444444444444 1 6,826  
5 1,136 8,713,447  
5.55555555555555 2 16,577  
6 726 5,091,036  
7 760 5,520,120  
7.77777777777777 1 11,506  
8 745 5,286,539  
9 422 2,679,917  
10 904 6,901,687  
11 305 2,134,427  
11.1111111111111 1 15,684  
12 676 4,854,554  
13 330 2,361,944  
14 291 2,031,016  
15 734 5,640,384  
16 226 1,359,994  
16.4444444444444 1 7,656  
16.6666666666666 1 9,531  
17 252 1,723,651  
17.7777777777777 1 20,440  
18 307 2,211,924  
19 134 870,499  
20 521 4,222,636  
21 123 826,078  
22 217 1,494,014  
23 141 1,005,344  
24 110 742,116  
25 370 2,920,124  
26 99 676,516  
27 87 563,598  
28 101 671,817  
29 44 304,315  
30 304 2,450,324  
31 45 281,354  
32 106 782,381  
33 50 369,421  
34 47 291,989  
35 214 1,612,673  
36 45 274,872  
37 39 256,704  
38 45 297,866  
39 23 181,877  
40 127 1,049,170  
41 17 120,523  
42 47 246,554  
43 23 150,280  
44 10 82,883  
45 85 755,671  
46 19 163,768  
47 19 120,780  
48 24 147,686  
49 8 74,541  
50 93 794,935  
51 7 48,542  
52 19 149,041  
53 11 68,871  
54 9 70,747  
55 38 253,887  
56 8 74,607  
57 7 42,718  
58 7 46,064  
59 4 47,689  
60 38 288,319  
61 2 13,148  
62 7 27,574  
63 6 37,260  
64 1 9,651  
65 25 193,827  
66 1 12,426  
67 3 12,364  
68 5 28,243  
69 1 16,371  
70 19 168,169  
72 5 30,809  
73 3 47,681  
74 2 22,793  
75 15 127,018  
76 2 9,886  
80 8 37,593  
81 2 21,932  
82 3 13,509  
83 1 6,006  
84 3 21,791  
85 4 18,921  
87 1 7,224  
90 9 39,477  
91 1 1,877  
95 5 23,424  
96 2 15,213  
97 2 10,569  
98 2 2,714  
99 1 6,651  
100 9 62,219  
102 1 5,880  
104 2 19,195  
109 1 9,775  
110 3 23,350  
112 1 3,272  
115 1 10,070  
116 1 4,268  
118 1 5,219  
120 2 9,457  
125 2 18,041  
127 1 8,536  
130 2 11,957  
138 1 5,207  
147 1 29,533  
150 5 25,636  
155 1 1,569  
160 1 4,318  
168 1 6,073  
190 1 3,954  
200 1 2,837  
220 2 6,151  
225 1 4,318  
250 1 10,028  
260 1 6,910  
273 1 1,532  
280 1 4,066  
324 1 3,166  
347 1 2,557  
350 2 19,554  
400 1 3,014  
500 1 12,153  
530 1 3,674  
643 1 1,278  
650 2 7,173  
800 1 1,495  
850 1 2,965  
900 1 4,909  
DRIVER Char 2 Driver status of respondent C8* -1 = Appropriate Skip 7,680 60,515,782 POST-911 Person
-9 = Not Ascertained 18 243,976  
1 = Yes, a driver 27,443 190,683,391  
2 = No, not a driver 2,937 25,765,021  
DRVRCNT Num 8 Number of drivers in household C8* 0 866 8,374,431 POST-911 Person
1 6,395 47,927,933  
2 22,887 158,335,329  
3 5,693 44,520,390  
4 1,875 15,121,179  
5 261 2,163,336  
6 79 633,118  
7 8 98,737  
10 14 33,717  
DTACDT Char 2 Worrying about a traffic accident L2K -1 = Appropriate Skip 32,696 238,661,068 POST-911 Person
-7 = Refused 1 6,119  
-8 = Don't Know 39 371,080  
-9 = Not Ascertained 2 15,530  
1 = Not a problem 1,675 11,928,963  
2 = A little problem 1,346 9,286,030  
3 = Somewhat of a problem 1,051 7,394,806  
4 = Very much of a problem 544 3,967,590  
5 = A severe problem 724 5,576,984  
DTCONJ Char 2 Highway congestion L2A -1 = Appropriate Skip 15,541 117,483,038 POST-911 Person
-7 = Refused 8 78,445  
-8 = Don't Know 141 1,304,038  
-9 = Not Ascertained 5 22,161  
1 = Not a problem 7,094 48,819,527  
2 = A little problem 4,681 31,546,662  
3 = Somewhat of a problem 5,063 35,964,841  
4 = Very much of a problem 2,543 18,865,635  
5 = A severe problem 3,002 23,123,824  
DTDISTRC Char 2 Distracted drivers L2H -1 = Appropriate Skip 32,467 237,758,194 POST-911 Person
-8 = Don't Know 45 374,552  
-9 = Not Ascertained 2 6,891  
1 = Not a problem 877 6,225,009  
2 = A little problem 1,242 8,160,788  
3 = Somewhat of a problem 1,468 10,075,990  
4 = Very much of a problem 962 6,847,544  
5 = A severe problem 1,015 7,759,201  
DTDRUNK Char 2 Drunk drivers L2G -1 = Appropriate Skip 32,345 236,791,257 POST-911 Person
-8 = Don't Know 90 680,582  
-9 = Not Ascertained 4 26,795  
1 = Not a problem 2,512 17,591,769  
2 = A little problem 1,022 7,253,949  
3 = Somewhat of a problem 625 4,241,258  
4 = Very much of a problem 331 2,299,020  
5 = A severe problem 1,149 8,323,538  
DTGAS Char 2 Price of gasoline L2B -1 = Appropriate Skip 15,541 117,483,038 POST-911 Person
-7 = Refused 5 34,012  
-8 = Don't Know 226 2,044,683  
-9 = Not Ascertained 5 22,161  
1 = Not a problem 5,124 38,024,105  
2 = A little problem 4,647 32,278,093  
3 = Somewhat of a problem 5,872 40,894,990  
4 = Very much of a problem 3,019 20,528,200  
5 = A severe problem 3,639 25,898,887  
DTNOWALK Char 2 Lack of walkways or sidewalks L2C -1 = Appropriate Skip 32,272 235,919,186 POST-911 Person
-7 = Refused 1 14,142  
-8 = Don't Know 32 267,539  
-9 = Not Ascertained 1 3,471  
1 = Not a problem 3,132 21,865,635  
2 = A little problem 975 7,018,445  
3 = Somewhat of a problem 713 5,046,769  
4 = Very much of a problem 397 2,992,538  
5 = A severe problem 555 4,080,444  
DTPVPOT Char 2 Rough pavement or potholes L2E -1 = Appropriate Skip 15,546 117,505,198 POST-911 Person
-7 = Refused 4 30,481  
-8 = Don't Know 145 1,475,019  
1 = Not a problem 4,771 34,518,282  
2 = A little problem 5,566 37,728,408  
3 = Somewhat of a problem 5,454 38,032,166  
4 = Very much of a problem 3,394 23,721,912  
5 = A severe problem 3,198 24,196,702  
DTRRAGE Char 2 Aggressive drivers on the road L2F -1 = Appropriate Skip 32,272 235,919,186 POST-911 Person
-7 = Refused 2 24,963  
-8 = Don't Know 39 347,088  
-9 = Not Ascertained 1 3,471  
1 = Not a problem 962 6,880,063  
2 = A little problem 1,198 8,205,354  
3 = Somewhat of a problem 1,361 9,749,785  
4 = Very much of a problem 1,057 7,285,967  
5 = A severe problem 1,186 8,792,293  
DTSPEED Char 2 Drivers speeding L2I -1 = Appropriate Skip 32,696 238,661,068 POST-911 Person
-7 = Refused 1 6,119  
-8 = Don't Know 40 370,438  
-9 = Not Ascertained 2 15,530  
1 = Not a problem 1,089 8,174,349  
2 = A little problem 1,150 8,073,872  
3 = Somewhat of a problem 1,225 8,950,625  
4 = Very much of a problem 904 6,133,971  
5 = A severe problem 971 6,822,196  
DTTIEUP Char 2 Traffic or road congestion L2D -1 = Appropriate Skip 32,345 236,791,257 POST-911 Person
-8 = Don't Know 36 370,865  
-9 = Not Ascertained 4 26,795  
1 = Not a problem 1,801 12,199,558  
2 = A little problem 1,371 9,580,920  
3 = Somewhat of a problem 1,116 7,966,810  
4 = Very much of a problem 718 5,020,451  
5 = A severe problem 687 5,251,514  
DTTRUCKS Char 2 Number of large trucks on road L2J -1 = Appropriate Skip 32,467 237,758,194 POST-911 Person
-8 = Don't Know 42 370,045  
-9 = Not Ascertained 2 6,891  
1 = Not a problem 1,222 8,772,370  
2 = A little problem 1,253 8,850,419  
3 = Somewhat of a problem 1,243 8,719,435  
4 = Very much of a problem 887 6,122,602  
5 = A severe problem 962 6,608,212  
EDUC Char 2 Highest grade completed M7 -1 = Appropriate Skip 8,316 65,394,339 POST-911 Person
-7 = Refused 39 225,522  
-8 = Don't Know 111 982,494  
-9 = Not Ascertained 3 25,918  
1 = Less then high school graduate 3,972 31,785,460  
2 = High school graduate, include GED 9,046 63,084,542  
3 = Vocational/technical training 1,129 7,672,573  
4 = Some college, but no degree 4,895 35,678,953  
5 = Associate's degree (for example, AA) 2,028 14,123,977  
6 = Bachelor's degree (for example, BA, AB, BS) 4,849 33,668,764  
7 = Some graduate or professional school, but no degree 621 4,299,946  
8 = Graduate or professional school degree (for example, MA, MS, MBA, MD, DDS, PhD, EdD, J 3,069 20,265,682  
FLGPRDRV Char 2 Primary driver status of subject * -1 = Appropriate Skip 10,635 86,524,778 POST-911 Person
1 = Subject is a driver, but is not a primary driver of any HH vehicle 4,100 31,896,144  
2 = Primary driver of one HH vehicle 20,407 140,894,633  
3 = Primary driver of two HH vehicles 2,329 14,594,590  
4 = Primary driver of three or more HH vehicles 607 3,298,024  
FPERWT01--FPERWT99 Num 8 Person weight 50% HHs - Rep 01-99         POST-911 Person
FRSTHM Char 2 At home at start of travel day G8 -7 = Refused 3 30,289 POST-911 Person
-8 = Don't Know 7 70,154  
1 = Yes 35,820 260,053,899  
2 = No 2,248 17,053,827  
GCDWORK Num 8 Great Circle distance to work (miles)   -9 = Unable to calculate distance 221 1,898,437 POST-911 Person
-1 = Appropriate Skip 20,843 152,558,710  
0 - 1,796 17,014 122,751,022  
GT1JBLWK Char 2 Have more than one job E6 -1 = Appropriate Skip 19,449 141,024,888 POST-911 Person
-8 = Don't Know 6 51,579  
-9 = Not Ascertained 403 2,959,750  
1 = Yes 1,553 11,586,651  
2 = No 16,667 121,585,301  
HBHRESDN Char 9 Housing units per sq mile - Block group * -9 = Not Ascertained 15 162,031 POST-911 Person
25 = 0 to 49 6,439 42,758,565  
150 = 50 to 249 11,394 84,439,951  
700 = 250 to 999 6,563 41,342,060  
2000 = 1,000 to 2,999 2,787 23,811,996  
4000 = 3,000 to 4,999 2,311 25,241,388  
6000 = 5,000 to 999K 8,569 59,452,178  
HBHTNRNT Char 9 Percent renter-occupied - Block group   -9 = Not Ascertained     POST-911 Person
0 - 100%      
HBHUR Char 2 Urban / Rural indicator - Block group * -9 = Not Ascertained 15 162,031 POST-911 Person
C = Second City 6,543 49,629,486  
R = Rural 8,731 55,517,770  
S = Suburban 9,235 67,062,804  
T = Town 9,156 61,015,875  
U = Urban 4,398 43,820,203  
HBPPOPDN Char 9 Population per sq mile - Block group * -9 = Not Ascertained 15 162,031 POST-911 Person
50 = 0 to 99 5,847 36,940,469  
300 = 100 to 499 6,151 39,593,055  
750 = 500 to 999 3,130 21,629,467  
1500 = 1,000 to 1,999 4,653 32,354,869  
3000 = 2,000 to 3,999 6,529 45,654,208  
7000 = 4,000 to 9,999 8,609 67,311,626  
17000 = 10,000 to 24,999 2,254 22,719,728  
30000 = 25,000 to 999K 890 10,842,715  
HHC_MSA Char 4 MSA/CMSA location of HH * 0520 = Atlanta, GA MSA 538 4,351,846 POST-911 Person
0640 = Austin-San Marcos, TX MSA 174 1,417,380  
1122 = Boston-Worcester-Lawrence, MA-NH-ME-CT CMSA 852 6,959,769  
1280 = Buffalo-Niagara Falls, NY MSA 156 839,475  
1520 = Charlotte-Gastonia-Rock Hill, NC-SC MSA 198 1,597,027  
1602 = Chicago-Gary-Kenosha, IL-IN-WI CMSA 977 7,841,327  
1642 = Cincinnati-Hamilton, OH-KY-IN CMSA 234 1,801,554  
1692 = Cleveland-Akron, OH CMSA 435 3,050,585  
1840 = Columbus, OH MSA 219 1,450,701  
1922 = Dallas-Fort Worth, TX CMSA 561 4,673,517  
2082 = Denver-Boulder-Greeley, CO CMSA 392 2,705,344  
2162 = Detroit-Ann Arbor-Flint, MI CMSA 734 5,264,848  
3000 = Grand Rapids-Muskegon-Holland, MI MSA 171 1,208,611  
3120 = Greensboro--Winston-Salem--High Point, NC MSA 194 1,405,017  
3280 = Hartford, CT MSA 158 1,039,419  
3362 = Houston-Galveston-Brazoria, TX CMSA 515 4,479,276  
3480 = Indianapolis, IN MSA 254 1,731,006  
3600 = Jacksonville, FL MSA 162 1,200,867  
3760 = Kansas City, MO-KS MSA 295 1,810,726  
4120 = Las Vegas, NV-AZ MSA 198 1,574,861  
4472 = Los Angeles-Riverside-Orange County, CA CMSA 1,547 15,402,550  
4520 = Louisville, KY-IN MSA 134 860,088  
4920 = Memphis, TN-AR-MS MSA 176 1,529,139  
4992 = Miami-Fort Lauderdale, FL CMSA 343 3,719,913  
5082 = Milwaukee-Racine, WI CMSA 284 1,795,455  
5120 = Minneapolis-St. Paul, MN-WI MSA 530 3,380,623  
5360 = Nashville, TN MSA 153 994,027  
5560 = New Orleans, LA MSA 173 1,418,422  
5602 = New York-Northern New Jersey-Long Island, NY-NJ-CT-PA CMSA 2,318 19,338,681  
5720 = Norfolk-Virginia Beach-Newport News, VA-NC MSA 226 1,966,364  
5880 = Oklahoma City, OK MSA 119 850,194  
5960 = Orlando, FL MSA 194 1,593,845  
6162 = Philadelphia-Wilmington-Atlantic City, PA-NJ-DE-MD CMSA 743 5,711,759  
6200 = Phoenix-Mesa, AZ MSA 466 3,622,252  
6280 = Pittsburgh, PA MSA 369 1,986,287  
6442 = Portland-Salem, OR-WA CMSA 355 2,059,208  
6480 = Providence-Fall River-Warwick, RI-MA MSA 143 781,057  
6640 = Raleigh-Durham-Chapel Hill, NC MSA 214 1,724,629  
6840 = Rochester, NY MSA 159 946,692  
6922 = Sacramento-Yolo, CA CMSA 302 2,470,030  
7040 = St. Louis, MO-IL MSA 407 2,763,106  
7160 = Salt Lake City-Ogden, UT MSA 210 1,232,291  
7240 = San Antonio, TX MSA 151 1,267,596  
7320 = San Diego, CA MSA 320 2,656,790  
7362 = San Francisco-Oakland-San Jose, CA CMSA 831 6,749,247  
7602 = Seattle-Tacoma-Bremerton, WA CMSA 585 4,251,349  
8280 = Tampa-St. Petersburg-Clearwater, FL MSA 358 2,571,944  
8872 = Washington-Baltimore, DC-MD-VA-WV CMSA 1,004 8,964,872  
8960 = West Palm Beach-Boca Raton, FL MSA 128 955,012  
9999 = Not in an MSA 8,431 54,100,178  
XXXX = Suppressed, in an MSA of less than 1 million 9,288 63,141,416  
HHFAMINC Char 2 Total HH income last 12 months M14* -1 = Appropriate Skip 264 2,018,929 POST-911 Person
-7 = Refused 1,469 9,243,498  
-8 = Don't Know 552 4,844,726  
01 = < $5,000 631 6,079,134  
02 = $5,000 - $9,999 1,305 12,038,206  
03 = $10,000 - $14,999 1,326 10,924,950  
04 = $15,000 - $19,999 1,900 14,817,003  
05 = $20,000 - $24,999 1,623 13,242,023  
06 = $25,000 - $29,999 2,536 18,301,201  
07 = $30,000 - $34,999 1,720 13,038,211  
08 = $35,000 - $39,999 2,906 21,674,880  
09 = $40,000 - $44,999 1,525 10,957,931  
10 = $45,000 - $49,999 2,747 18,918,518  
11 = $50,000 - $54,999 1,427 9,687,033  
12 = $55,000 - $59,999 2,400 16,759,277  
13 = $60,000 - $64,999 959 6,871,902  
14 = $65,000 - $69,999 1,693 11,584,876  
15 = $70,000 - $74,999 969 6,618,646  
16 = $75,000 - $79,999 1,671 12,563,961  
17 = $80,000 - $99,999 3,206 21,190,575  
18 = $100,000 or more 5,249 35,832,691  
HHINCTTL Char 2 Total income all HH members M14* -1 = Appropriate Skip 264 2,018,929 POST-911 Person
-7 = Refused 1,469 9,243,498  
-8 = Don't Know 552 4,844,726  
01 = < $5,000 558 5,406,326  
02 = $5,000 - $9,999 1,156 10,537,876  
03 = $10,000 - $14,999 1,229 9,832,354  
04 = $15,000 - $19,999 1,754 13,688,325  
05 = $20,000 - $24,999 1,538 12,854,293  
06 = $25,000 - $29,999 2,478 17,739,691  
07 = $30,000 - $34,999 1,667 12,484,033  
08 = $35,000 - $39,999 2,814 21,203,155  
09 = $40,000 - $44,999 1,594 11,579,672  
10 = $45,000 - $49,999 2,653 18,512,736  
11 = $50,000 - $54,999 1,467 9,904,325  
12 = $55,000 - $59,999 2,382 16,645,888  
13 = $60,000 - $64,999 1,035 7,590,928  
14 = $65,000 - $69,999 1,669 11,204,576  
15 = $70,000 - $74,999 1,019 6,968,430  
16 = $75,000 - $79,999 1,683 12,387,416  
17 = $80,000 - $99,999 3,430 23,371,987  
18 = $100,000 or more 5,667 39,189,006  
HHRESP Char 2 Person ID of HH respondent * 01 37,987 276,298,439 POST-911 Person
02 55 617,701  
03 17 94,872  
04 6 66,747  
05 9 105,694  
06 4 24,716  
HHR_DRVR Char 2 Driver status of HH respondent * 1 = Yes, a driver 36,014 256,792,491 POST-911 Person
2 = No, not a driver 2,064 20,415,678  
HHR_EDUC Char 2 Education level of HH respondent M7* -7 = Refused 41 235,448 POST-911 Person
-8 = Don't Know 67 609,649  
-9 = Not Ascertained 594 5,381,704  
1 = Less then high school graduate 3,220 27,737,962  
2 = High school graduate, include GED 11,221 80,792,410  
3 = Vocational/technical training 1,446 10,077,617  
4 = Some college, but no degree 6,700 48,059,725  
5 = Associate's degree (for example, AA) 3,004 21,342,463  
6 = Bachelor's degree (for example, BA, AB, BS) 6,810 47,891,927  
7 = Some graduate or professional school, but no degree 846 5,776,827  
8 = Graduate or professional school degree (for example, MA, MS, MBA, MD, DDS, PhD, EdD, J 4,129 29,302,438  
HHR_HISP Char 2 Hispanic status of HH respondent C6* 1 = Yes 3,146 35,043,208 POST-911 Person
2 = No 34,932 242,164,961  
HHR_RACE Char 2 Race of HH respondent C7* -7 = Refused 159 1,014,085 POST-911 Person
-8 = Don't Know 38 399,633  
-9 = Not Ascertained 72 574,545  
01 = White 30,403 194,564,356  
02 = African American, Black 2,493 33,368,322  
03 = Asian Only 785 6,147,662  
04 = American Indian, Alaskan Native 224 1,320,350  
05 = Native Hawaiian, other Pacific Islander 90 832,040  
06 = Hispanic/Mexican Only 1,594 19,018,107  
07 = White & African American 35 268,480  
08 = White & Asian 74 497,059  
09 = White & American Indian 419 2,428,907  
10 = White & Hispanic 1,280 13,270,281  
11 = African American & Hispanic 78 723,352  
12 = American Indian & Hispanic 30 281,217  
13 = Other Combination 2 Races 202 1,741,726  
14 = Other Combination 3 Races 48 393,561  
16 = Other multiracial not listed above 52 340,029  
17 = Other specify 2 24,458  
HHR_WRKR Char 2 Worker status of HH respondent * 1 = Yes 25,960 193,064,516 POST-911 Person
2 = No 12,118 84,143,653  
HHSIZE Num 8 Number of HH members C3* 1 3,544 23,766,032 POST-911 Person
2 11,563 71,444,096  
3 7,265 56,184,439  
4 8,600 67,020,856  
5 4,596 37,052,624  
6 1,561 12,687,834  
7 466 3,962,787  
8 239 2,389,177  
9 134 1,651,500  
10 59 624,804  
11 25 300,605  
12 12 89,697  
14 14 33,717  
HHSTATE Char 2 State-household location D4* AL = Alabama 499 3,761,434 POST-911 Person
AR = Arkansas 374 3,007,409  
AZ = Arizona 710 5,027,874  
CA = California 3,706 32,918,152  
CO = Colorado 675 4,499,382  
CT = Connecticut 423 2,990,543  
FL = Florida 1,987 15,600,667  
GA = Georgia 1,033 8,709,719  
IA = Iowa 530 3,003,265  
IL = Illinois 1,503 11,214,032  
IN = Indiana 968 6,115,535  
KS = Kansas 458 2,362,727  
KY = Kentucky 576 3,770,646  
LA = Louisiana 508 3,753,828  
MA = Massachusetts 853 6,736,048  
MD = Maryland 646 5,693,510  
MI = Michigan 1,449 9,872,060  
MN = Minnesota 862 5,160,846  
MO = Missouri 875 5,473,384  
MS = Mississippi 290 2,558,947  
NC = North Carolina 1,216 9,173,474  
NJ = New Jersey 1,089 7,583,244  
NY = New York 2,222 17,343,572  
OH = Ohio 1,757 11,110,135  
OK = Oklahoma 362 2,618,911  
OR = Oregon 575 3,317,087  
PA = Pennsylvania 1,959 12,640,011  
SC = South Carolina 484 4,019,456  
TN = Tennessee 768 5,427,994  
TX = Texas 2,232 18,559,308  
UT = Utah 369 2,355,857  
VA = Virginia 1,106 8,480,615  
WA = Washington 1,011 6,906,755  
WI = Wisconsin 1,053 6,299,467  
XX = Suppressed, HH in state of less than 2 million 2,950 19,142,276  
HHSTFIPS Char 2 FIPS state code for HH * 01 = Alabama (FIPS Code=01) 499 3,761,434 POST-911 Person
04 = Arizona (FIPS Code=04) 710 5,027,874  
05 = Arkansas (FIPS Code=05) 374 3,007,409  
06 = California (FIPS Code=06) 3,706 32,918,152  
08 = Colorado (FIPS Code=08) 675 4,499,382  
09 = Connecticut (FIPS Code=09) 423 2,990,543  
12 = Florida (FIPS Code=12) 1,987 15,600,667  
13 = Georgia (FIPS Code=13) 1,033 8,709,719  
17 = Illinois (FIPS Code=17) 1,503 11,214,032  
18 = Indiana (FIPS Code=18) 968 6,115,535  
19 = Iowa (FIPS Code=19) 530 3,003,265  
20 = Kansas (FIPS Code=20) 458 2,362,727  
21 = Kentucky (FIPS Code=21) 576 3,770,646  
22 = Louisiana (FIPS Code=22) 508 3,753,828  
24 = Maryland (FIPS Code=24) 646 5,693,510  
25 = Massachusetts (FIPS Code=25) 853 6,736,048  
26 = Michigan (FIPS Code=26) 1,445 9,841,878  
27 = Minnesota (FIPS Code=27) 864 5,177,402  
28 = Mississippi (FIPS Code=28) 290 2,558,947  
29 = Missouri (FIPS Code=29) 875 5,473,384  
30 = Montana (FIPS Code=30) 2 13,627  
34 = New Jersey (FIPS Code=34) 1,089 7,583,244  
36 = New York (FIPS Code=36) 2,222 17,343,572  
37 = North Carolina (FIPS Code=37) 1,216 9,173,474  
39 = Ohio (FIPS Code=39) 1,760 11,118,378  
40 = Oklahoma (FIPS Code=40) 362 2,618,911  
41 = Oregon (FIPS Code=41) 575 3,317,087  
42 = Pennsylvania (FIPS Code=42) 1,958 12,653,085  
45 = South Carolina (FIPS Code=45) 482 3,998,140  
47 = Tennessee (FIPS Code=47) 768 5,427,994  
48 = Texas (FIPS Code=48) 2,232 18,559,308  
49 = Utah (FIPS Code=49) 369 2,355,857  
51 = Virginia (FIPS Code=51) 1,106 8,480,615  
53 = Washington (FIPS Code=53) 1,011 6,906,755  
55 = Wisconsin (FIPS Code=55) 1,053 6,299,467  
XX = Suppressed, HH in state of less than 2 million 2,950 19,142,276  
HHVEHCNT Num 8 Number of vehicles in HH B1* 0 1,413 14,391,832 POST-911 Person
1 7,338 57,875,192  
2 16,492 115,487,496  
3 7,715 55,422,509  
4 3,225 21,966,123  
5 1,107 7,556,079  
6 467 2,751,767  
7 165 972,680  
8 83 500,430  
9 31 177,946  
10 11 12,830  
11 9 20,019  
12 16 47,284  
15 4 9,705  
19 2 16,276  
HOMEOWN Char 2 Housing unit owned or rented C2 1 = Own 30,864 207,816,915 POST-911 Person
2 = Rent 7,014 67,680,274  
3 = Provided by job or military 179 1,566,789  
91 = Other 21 144,191  
HOMETYPE Char 2 Type of housing unit C1 1 = Detached single house 29,199 199,831,705 POST-911 Person
2 = Duplex 1,313 11,693,809  
3 = Rowhouse or townhouse 1,049 8,915,876  
4 = Apartment, condominium 4,178 39,819,029  
5 = Mobile home or trailer 2,263 16,396,348  
6 = Dorm room, fraternity or sorority house 27 247,897  
91 = Other 49 303,505  
HOUSEID Char 8 HH ID number         POST-911 Person
HTEEMPDN Char 8 Jobs per sq mile - Tract level   -9 = Not Ascertained     POST-911 Person
0 - 135,173.31      
HTHRESDN Char 9 Housing units per sq mile - Tract level * -9 = Not Ascertained 15 162,031 POST-911 Person
25 = 0 to 49 7,628 48,624,013  
150 = 50 to 249 6,735 44,231,819  
700 = 250 to 999 8,853 62,394,244  
2000 = 1,000 to 2,999 10,786 81,522,804  
4000 = 3,000 to 4,999 2,254 19,785,364  
6000 = 5,000 to 999K 1,807 20,487,895  
HTHTNRNT Num 8 Percent renter-occupied - Tract level   -9 = Not Ascertained     POST-911 Person
0 - 100%      
HTHUR Char 2 Urban / Rural indicator - Tract level * -9 = Not Ascertained 15 162,031 POST-911 Person
C = Second City 6,346 48,293,901  
R = Rural 8,797 56,013,528  
S = Suburban 9,402 67,737,166  
T = Town 9,108 60,730,623  
U = Urban 4,410 44,270,920  
HTPPOPDN Char 9 Population per sq mile - Tract level * -9 = Not Ascertained 15 162,031 POST-911 Person
50 = 0 to 99 6,791 43,144,930  
300 = 100 to 499 6,630 42,936,591  
750 = 500 to 999 3,462 24,268,970  
1500 = 1,000 to 1,999 4,543 32,087,180  
3000 = 2,000 to 3,999 6,678 47,943,511  
7000 = 4,000 to 9,999 7,411 58,513,631  
17000 = 10,000 to 24,999 1,812 18,887,304  
30000 = 25,000 to 999K 736 9,264,021  
IMPTAGE Char 1 Subjects age was imputed * 1 = Yes 420 3,395,116 POST-911 Person
2 = No 37,658 273,813,053  
IMPTHOWN Char 1 HOMEOWN was imputed * 1 = Yes 52 346,745 POST-911 Person
2 = No 38,026 276,861,424  
IMPTHTYP Char 1 HOMETYPE was imputed * 1 = Yes 46 290,134 POST-911 Person
2 = No 38,032 276,918,035  
IMPTRACE Char 1 Race of HH respondent was imputed * 1 = Yes 352 2,871,074 POST-911 Person
2 = No 37,726 274,337,095  
IMPTSEX Char 1 Subjects sex was imputed * 1 = Yes 34 244,388 POST-911 Person
2 = No 38,044 276,963,781  
INDVINC Char 2 Income of respondent if reported separately M24* -1 = Appropriate Skip 37,294 270,445,902 POST-911 Person
01 = < $5,000 78 850,709  
02 = $5,000 - $9,999 125 1,104,250  
03 = $10,000 - $14,999 98 795,454  
04 = $15,000 - $19,999 86 679,350  
05 = $20,000 - $24,999 60 636,395  
06 = $25,000 - $29,999 70 655,442  
07 = $30,000 - $34,999 51 401,266  
08 = $35,000 - $39,999 54 438,134  
09 = $40,000 - $44,999 22 218,376  
10 = $45,000 - $49,999 23 152,704  
11 = $50,000 - $54,999 13 80,922  
12 = $55,000 - $59,999 21 119,574  
13 = $60,000 - $64,999 12 85,746  
14 = $65,000 - $69,999 9 76,610  
15 = $70,000 - $74,999 3 36,663  
16 = $75,000 - $79,999 17 94,544  
17 = $80,000 - $99,999 19 155,507  
18 = $100,000 or more 23 180,622  
LANG Char 1 Interview Language * 1 = English 36,973 263,702,433 POST-911 Person
2 = Spanish 1,105 13,505,736  
LASTRPMM Char 2 Date of last trip before travel day, Month G14 -1 = Appropriate Skip 33,483 243,676,721 POST-911 Person
  -7 = Refused 3 23,535  
  -8 = Don't Know 142 1,013,812  
  -9 = Not Ascertained 1 4,425  
  01 = January 615 4,648,314  
  02 = February 788 4,037,594  
  03 = March 864 4,264,975  
  04 = April 500 3,580,877  
  05 = May 5 74,549  
  06 = June 3 29,915  
  07 = July 11 88,882  
  08 = August 9 108,623  
  09 = September 59 767,003  
  10 = October 328 4,210,924  
  11 = November 442 4,242,758  
  12 = December 825 6,435,260  
LASTRPYY Char 4 Date of last trip before travel day, Year G14 -1 = Appropriate Skip 33,483 243,676,721 POST-911 Person
-7 = Refused 3 23,535  
-8 = Don't Know 131 917,558  
-9 = Not Ascertained 1 4,425  
1998 1 10,650  
1999 1 7,942  
2000 8 95,999  
2001 1,699 16,039,813  
2002 2,751 16,431,525  
LIF_CYC Char 2 Household life cycle * 01 = one adult, no children 2,020 14,282,599 POST-911 Person
02 = 2+ adults, no children 7,323 51,174,088  
03 = one adult, youngest child 0-5 474 4,580,282  
04 = 2+ adults, youngest child 0-5 8,406 69,478,496  
05 = one adult, youngest child 6-15 1,008 8,421,259  
06 = 2+ adults, youngest child 6-15 8,829 65,384,465  
07 = one adult, youngest child 16-21 276 2,125,939  
08 = 2+ adults, youngest child 16-21 2,362 18,039,561  
09 = one adult, retired, no children 1,451 8,845,294  
10 = 2+ adults, retired, no children 5,929 34,876,186  
LSTTRDAY Num 8 Number of days since last trip before travel day G15* -9 = Not Ascertained 307 2,313,363 POST-911 Person
-1 = Appropriate Skip 33,483 243,676,721  
0 19 139,150  
1 2,167 16,308,441  
2 751 5,215,560  
3 387 2,680,216  
4 191 1,331,585  
5 159 1,264,328  
6 102 656,800  
7 67 454,631  
8 56 350,698  
9 35 217,725  
10 30 214,925  
11 36 285,656  
12 20 156,622  
13 13 58,509  
14 18 134,385  
15 23 203,047  
16 5 26,699  
17 9 66,144  
18 9 61,472  
19 6 38,614  
20 15 74,225  
21 8 57,197  
22 5 46,519  
23 7 27,563  
24 4 15,181  
25 5 59,269  
26 7 39,380  
27 12 102,526  
28 5 28,900  
29 9 47,123  
30 3 16,154  
31 7 61,679  
32 6 20,437  
33 1 2,657  
34 3 32,748  
35 2 4,904  
36 1 14,763  
37 1 5,232  
38 1 12,026  
39 1 2,737  
40 2 24,678  
41 1 4,457  
42 2 7,499  
43 3 24,371  
44 2 16,307  
47 4 11,846  
48 5 54,774  
49 2 9,970  
51 2 9,543  
53 1 4,537  
54 1 5,233  
55 1 32,057  
58 2 16,635  
59 1 17,851  
60 1 5,027  
62 1 3,823  
63 1 8,954  
65 1 14,122  
67 1 21,274  
71 1 1,534  
73 1 5,523  
74 2 16,858  
75 1 5,938  
77 1 11,091  
81 1 1,939  
83 1 13,475  
88 2 34,983  
90 1 3,021  
98 2 16,055  
100 1 6,911  
106 1 4,003  
107 1 20,558  
108 1 4,528  
113 1 1,464  
123 1 4,062  
137 1 6,453  
141 1 12,930  
148 1 3,225  
156 1 12,487  
157 1 4,807  
175 1 4,580  
193 1 10,211  
224 1 3,623  
366 6 59,317  
367 2 14,699  
368 3 42,320  
369 1 11,715  
372 1 3,725  
376 1 1,113  
378 1 4,799  
379 2 15,116  
385 1 5,067  
426 1 8,327  
509 1 3,162  
624 1 9,078  
LSTTRDT Char 6 Month, Year of last trip before travel day G14* -1 = Appropriate Skip 33,483 243,676,721 POST-911 Person
-9 = Not Ascertained 307 2,313,363  
200003 1 9,078  
200010 1 3,162  
200011 1 8,327  
200012 1 24,116  
200101 13 112,373  
200102 2 15,479  
200103 2 5,902  
200105 2 23,141  
200106 1 6,453  
200107 3 23,232  
200108 5 40,944  
200109 54 712,764  
200110 320 4,154,688  
200111 419 4,015,038  
200112 802 6,228,389  
200201 577 4,337,882  
200202 759 3,867,894  
200203 837 4,091,810  
200204 487 3,507,461  
200205 1 29,951  
MEDCOND Char 2 Have a medical condition making travel difficult M4 -1 = Appropriate Skip 8,316 65,394,339 POST-911 Person
-7 = Refused 13 90,572  
-8 = Don't Know 12 77,366  
-9 = Not Ascertained 3 25,918  
1 = Yes 2,628 17,465,604  
2 = No 27,106 194,154,369  
MEDCOND6 Char 2 Length of time with medical condition M5 -1 = Appropriate Skip 35,450 259,742,565 POST-911 Person
-7 = Refused 2 4,632  
-8 = Don't Know 6 32,198  
1 = 0-5 months 180 1,381,160  
2 = 6-11 months 148 1,132,685  
3 = 1-4 years 831 5,228,926  
4 = 5-9 years 566 3,795,287  
5 = 10 years or more 763 4,807,607  
6 = All his/her Life 132 1,083,108  
MSACAT Char 2 MSA/CMSA category * 1 = MSA of 1 million or more, with rail 8,294 71,155,808 POST-911 Person
2 = MSA of 1 million or more, and not in 1 12,065 88,810,767  
3 = MSA less than 1 million 9,288 63,141,416  
4 = Not in MSA (CMSA) 8,431 54,100,178  
MSASIZE Char 2 Population size of HH MSA * 1 = In an MSA of Less than 250,000 2,926 18,680,946 POST-911 Person
2 = In an MSA of 250,000 - 499,999 3,334 22,899,662  
3 = In an MSA of 500,000 - 999,999 3,028 21,560,808  
4 = In an MSA or CMSA of 1,000,000 - 2,999,999 8,345 58,635,370  
5 = In an MSA or CMSA of 3 million or more 12,014 101,331,205  
6 = Not in MSA or CMSA 8,431 54,100,178  
NBIKETRP Num 8 Number of bike trips in past week L4 -8 = Don't Know 26 235,924 POST-911 Person
-7 = Refused 1 14,021  
-1 = Appropriate Skip 8,319 65,420,257  
0 28,037 197,845,936  
1 685 5,455,642  
2 381 2,963,537  
3 210 1,792,954  
4 128 1,145,200  
5 126 1,052,393  
6 28 188,830  
7 79 697,264  
8 6 46,447  
9 8 34,263  
10 17 151,155  
12 6 44,217  
14 5 26,644  
15 4 18,103  
20 6 49,590  
21 1 8,420  
22 1 2,225  
24 1 6,242  
25 1 3,228  
35 1 2,673  
42 1 3,003  
NUMADLT Num 8 Number of adults in HH C8* 1 4,985 36,040,353 POST-911 Person
2 25,808 175,702,290  
3 5,106 44,692,966  
4 1,709 16,101,433  
5 334 2,971,611  
6 102 1,513,066  
8 12 123,199  
9 8 29,535  
10 14 33,717  
NWALKTRP Num 8 Number of walk trips in past week L3 -9 = Not Ascertained 17 144,278 POST-911 Person
-8 = Don't Know 223 1,917,719  
-7 = Refused 5 34,075  
-1 = Appropriate Skip 8,319 65,420,257  
0 9,819 68,142,981  
1 2,094 14,889,682  
2 3,320 24,075,524  
3 3,550 25,349,641  
4 1,937 14,026,778  
5 2,252 16,035,496  
6 797 5,489,956  
7 3,187 22,579,747  
8 167 1,298,139  
9 53 491,279  
10 688 5,074,601  
11 19 155,768  
12 167 1,226,113  
13 16 142,803  
14 406 2,793,724  
15 213 1,658,068  
16 16 150,729  
17 13 115,004  
18 16 99,384  
19 2 38,397  
20 253 1,903,528  
21 104 668,050  
22 4 28,632  
23 3 5,666  
24 14 97,667  
25 83 574,053  
26 3 12,635  
27 1 10,184  
28 34 282,751  
30 101 821,432  
32 4 45,508  
33 1 3,382  
34 2 3,955  
35 32 213,741  
36 6 75,052  
37 1 4,783  
40 33 270,174  
42 6 41,921  
43 1 1,763  
45 2 32,825  
49 3 34,395  
50 52 431,370  
56 3 39,196  
58 1 11,370  
60 8 40,035  
65 1 6,430  
70 17 127,696  
75 5 28,384  
80 2 13,421  
90 2 28,025  
OCCAT Char 2 Occupational category E7* -1 = Appropriate Skip 19,460 141,082,193 POST-911 Person
-7 = Refused 6 61,018  
-8 = Don't Know 15 129,111  
01 = Sales or Service 5,154 38,968,174  
02 = Clerical or administrative support 2,295 16,108,577  
03 = Manufacturing, construction, maintenance, or farming 3,572 27,345,351  
04 = Professional, managerial or technical 7,571 53,486,431  
91 = Other 5 27,315  
OUTCNTRY Char 2 Out of country entire travel day G10 -1 = Appropriate Skip 37,050 269,694,809 POST-911 Person
1 = Yes 92 688,121  
2 = No 936 6,825,239  
OUTOFTWN Char 2 Out of town entire travel day G9* -1 = Appropriate Skip 36,204 263,077,574 POST-911 Person
-9 = Not Ascertained 1 4,408  
1 = Yes 868 6,233,541  
2 = No 1,005 7,892,646  
PAYPROF Char 2 Worked for pay or profit last week E4 -1 = Appropriate Skip 25,488 190,427,492 POST-911 Person
-7 = Refused 6 52,710  
-8 = Don't Know 4 43,884  
1 = Yes 1,445 11,082,513  
2 = No 11,135 75,601,569  
PERSONID               POST-911 Person
PRCASEID               POST-911 Person
PRMACT Char 2 Primary activity last week E3 -1 = Appropriate Skip 8,315 65,384,030 POST-911 Person
-7 = Refused 10 139,885  
-8 = Don't Know 25 218,239  
1 = Working 16,067 117,171,091  
2 = Temporarily absent from a job or business 1,106 7,872,371  
3 = Looking for work 542 4,965,468  
4 = A homemaker 2,906 20,611,976  
5 = Going to school 1,813 15,894,593  
6 = Retired 6,123 36,072,534  
7 = Doing something else 1,171 8,877,981  
PRMDRVR1 Char 2 HH vehicle of which respondent is primary driver C12* -1 = Appropriate Skip 14,719 118,293,763 POST-911 Person
01 13,175 88,753,494  
02 7,739 52,437,699  
03 1,819 13,100,262  
04 456 3,314,690  
05 112 817,746  
06 33 224,861  
07 12 112,036  
08 4 51,094  
09 3 29,029  
10 2 12,752  
11 1 7,310  
13 1 2,453  
15 1 12,744  
17 1 38,237  
PRMDRVR2 Char 2 2nd HH vehicle of which respondent is primary driv C12* -1 = Appropriate Skip 35,142 259,315,555 POST-911 Person
02 1,282 7,822,609  
03 1,095 6,635,763  
04 353 2,141,390  
05 138 899,641  
06 43 266,537  
07 16 88,884  
08 7 33,854  
09 2 3,936  
PRMDRVR3 Char 2 3rd HH vehicle of which respondent is primary driv C12* -1 = Appropriate Skip 37,471 273,910,145 POST-911 Person
03 251 1,376,554  
04 235 1,284,157  
05 63 330,679  
06 38 205,943  
07 10 41,631  
08 6 34,681  
09 2 15,662  
10 1 2,183  
12 1 6,533  
PROXCAT Char 2 Proxy status of ext interview respondent * 1 = Proxy Required - 13 years or younger 7,220 56,941,062 POST-911 Person
2 = Proxy Allowed - 14-15 years 1,058 8,150,354  
3 = Proxy Often - 16-17 years 569 4,293,618  
4 = Proxy for adult - 18 years or older 6,669 47,901,898  
5 = Interview completed by self, not proxy 22,562 159,921,238  
PROXY Char 2 Ext interview info from respondent or proxy E1 1 = Subject 22,562 159,921,238 POST-911 Person
2 = Proxy 15,516 117,286,931  
PTUSED Char 2 Public transit use last 2 months L11 -1 = Appropriate Skip 8,319 65,420,257 POST-911 Person
-7 = Refused 1 14,021  
-8 = Don't Know 54 496,003  
-9 = Not Ascertained 1 9,147  
1 = Two or more days a week 1,432 14,631,967  
2 = About once a week 614 5,236,813  
3 = Once or twice a month 1,164 9,494,050  
4 = Less than once a month 921 6,913,856  
5 = Never 23,403 161,415,021  
6 = Not available 2,169 13,577,035  
RAIL Char 2 Rail (subway) category of HH * 1 = MSA has rail 8,294 71,155,808 POST-911 Person
2 = MSA does not have rail, or hh not in an MSA 29,784 206,052,361  
R_AGEWGT Num 8 Age of respondent * 0 441 3,648,344 POST-911 Person
1 421 3,487,694  
2 533 4,213,089  
3 466 3,677,150  
4 467 3,985,564  
5 512 4,004,391  
6 497 3,881,354  
7 544 4,172,660  
8 541 4,119,534  
9 500 3,740,660  
10 579 4,558,758  
11 554 4,208,692  
12 596 4,823,277  
13 569 4,419,895  
14 540 4,364,770  
15 542 3,966,853  
16 528 4,210,070  
17 464 3,425,753  
18 384 3,823,187  
19 294 3,110,451  
20 330 3,762,087  
21 299 2,943,582  
22 334 3,515,943  
23 333 3,591,690  
24 350 3,522,551  
25 377 3,837,788  
26 360 3,579,918  
27 360 3,299,532  
28 437 4,279,137  
29 403 3,965,951  
30 497 4,837,099  
31 511 4,799,883  
32 460 4,161,584  
33 477 4,250,671  
34 486 4,481,561  
35 518 4,124,307  
36 567 4,432,591  
37 517 3,890,976  
38 581 4,329,314  
39 559 4,190,492  
40 675 4,968,719  
41 612 4,411,955  
42 664 5,040,631  
43 598 4,573,181  
44 586 4,339,949  
45 673 4,022,949  
46 589 3,399,537  
47 658 4,046,903  
48 621 3,519,011  
49 582 3,562,271  
50 664 4,106,259  
51 591 3,462,651  
52 608 3,527,747  
53 569 3,189,035  
54 575 3,222,256  
55 571 3,107,341  
56 450 2,669,690  
57 447 2,439,815  
58 485 2,845,389  
59 447 2,489,477  
60 462 2,548,887  
61 349 1,980,250  
62 454 2,566,311  
63 350 2,029,562  
64 356 2,071,574  
65 394 2,287,682  
66 311 1,869,699  
67 369 2,078,588  
68 287 1,593,272  
69 311 1,774,078  
70 366 2,079,450  
71 289 1,618,326  
72 349 2,153,674  
73 278 1,591,799  
74 286 1,599,420  
75 284 1,743,263  
76 253 1,464,288  
77 234 1,338,919  
78 224 1,342,434  
79 210 1,228,316  
80 191 1,221,571  
81 158 952,331  
82 171 961,395  
83 131 819,579  
84 110 675,753  
85 96 538,674  
86 100 594,959  
87 59 351,556  
88 59 365,999  
89 50 289,767  
90 48 267,957  
91 24 140,587  
92 21 112,391  
93 16 128,054  
94 14 85,975  
95 7 57,164  
96 7 48,180  
97 1 10,782  
98 1 5,139  
99 1 3,162  
100 3 26,414  
101 1 7,421  
R_RELAT Char 2 Respondent relationship to HH respondent C8* -7 = Refused 12 101,972 POST-911 Person
-8 = Don't Know 5 64,347  
-9 = Not Ascertained 10 113,469  
1 = Self 15,937 110,459,152  
2 = Spouse 8,748 57,214,547  
3 = Child 9,926 79,428,973  
4 = Parent 872 6,318,358  
5 = Sibling 451 4,370,320  
6 = Other relative 997 9,281,010  
7 = Unmarried Partner 505 4,114,668  
8 = Non-relative 615 5,741,353  
1 = Male 18,101 135,291,212  
R_SEX Char 2 Sex of respondent C8* 2 = Female 19,977 141,916,957 POST-911 Person
SAMEPLC Char 2 Stayed at same place all day G13 -1 = Appropriate Skip 33,483 243,676,721 POST-911 Person
1 = Yes 4,595 33,531,448  
TDAYDATE Char 6 Travel day date (YYYYMM) * 200109 115 1,243,649 POST-911 Person
200110 3,403 44,117,688  
200111 3,714 37,801,114  
200112 4,953 39,061,151  
200201 4,891 39,061,151  
200202 6,999 35,281,039  
200203 7,748 39,061,152  
200204 6,114 39,974,214  
200205 141 1,607,011  
TDBOA911 Char 1 Travel day before or on/after 9/11 * 2 = Travel day was on or after 9/11/01 38,078 277,208,169 POST-911 Person
TIMETOWK Num 8 Minutes to go to work last week E15 -8 = Don't Know 65 485,653 POST-911 Person
-7 = Refused 3 29,935  
-5 = Did Not work last week 365 2,691,726  
-4 = Did Not work in usual workplace last week 106 770,806  
-1 = Appropriate Skip 21,653 155,609,717  
1 140 1,007,536  
2 217 1,490,560  
3 296 2,161,175  
4 170 1,198,502  
5 1,165 8,526,522  
6 193 1,367,740  
7 379 2,864,079  
8 291 2,169,019  
9 57 298,224  
10 1,877 13,569,828  
11 65 420,176  
12 338 2,280,780  
13 100 591,434  
14 41 269,733  
15 2,260 16,966,149  
16 39 271,597  
17 107 748,483  
18 106 734,740  
19 9 50,238  
20 2,016 14,677,379  
21 12 86,527  
22 80 562,527  
23 43 278,622  
24 14 98,641  
25 1,195 8,663,837  
26 16 148,155  
27 21 140,939  
28 20 144,428  
29 3 10,044  
30 1,411 11,188,212  
31 3 30,508  
32 9 57,791  
33 9 45,400  
34 4 30,090  
35 522 3,627,761  
36 5 23,220  
37 13 67,984  
38 11 54,975  
39 1 8,080  
40 622 4,658,876  
42 9 49,884  
43 3 17,655  
45 750 6,105,011  
47 4 29,436  
48 6 34,856  
50 228 1,729,545  
52 3 14,423  
53 3 36,021  
55 91 651,322  
56 1 4,066  
58 1 6,747  
59 1 8,898  
60 434 3,581,639  
61 1 4,143  
65 24 177,371  
70 58 436,747  
71 1 1,921  
72 2 3,113  
74 2 12,116  
75 111 865,293  
80 27 196,592  
85 9 49,433  
90 128 1,229,766  
91 1 1,202  
92 1 4,002  
95 3 29,386  
100 5 38,742  
105 10 73,362  
110 4 19,301  
115 3 14,916  
120 41 253,770  
130 2 10,198  
135 2 11,162  
140 2 24,625  
145 1 5,219  
150 12 86,194  
160 1 29,533  
180 7 62,971  
200 1 35,752  
210 2 13,195  
240 4 25,490  
270 1 17,994  
300 2 3,101  
330 1 6,030  
360 1 2,557  
420 2 15,118  
TOT_DTM1 Num 8 Total Daily Trips- POV   0 7,292 56,857,747 POST-911 Person
1 1,038 8,472,553  
2 7,960 58,169,993  
3 3,985 29,385,121  
4 5,747 40,981,275  
5 3,527 24,778,660  
6 2,986 20,345,672  
7 1,938 12,963,145  
8 1,430 10,016,252  
9 842 5,843,364  
10 534 3,709,247  
11 310 2,225,035  
12 199 1,310,443  
13 106 812,514  
14 76 523,666  
15 38 271,920  
16 25 182,046  
17 21 129,967  
18 7 57,937  
19 10 111,025  
20 4 44,273  
22 1 6,572  
23 1 1,600  
30 1 8,143  
TOT_DTM2 Num 8 Total Daily Trips- Transit   0 37,202 267,980,792 POST-911 Person
1 215 2,126,143  
2 527 5,626,272  
3 79 978,866  
4 35 312,797  
5 12 122,269  
6 5 47,096  
7 1 9,942  
10 2 3,993  
TOT_DTM3 Num 8 Total Daily Trips- School Bus   0 36,174 263,298,209 POST-911 Person
1 590 4,469,522  
2 1,264 9,166,576  
3 31 169,931  
4 15 77,112  
5 4 26,818  
TOT_DTM4 Num 8 Total Daily Trips- Walk   0 32,598 235,609,493 POST-911 Person
1 1,882 13,400,246  
2 2,623 20,175,640  
3 403 3,214,897  
4 370 3,080,769  
5 89 794,283  
6 71 565,270  
7 21 225,404  
8 8 71,387  
9 4 30,545  
10 3 12,532  
11 1 2,074  
12 2 10,615  
14 3 15,015  
TOT_DTM5 Num 8 Total Daily Trips- Other   0 36,975 268,541,171 POST-911 Person
1 473 3,577,573  
2 487 3,932,355  
3 70 486,848  
4 49 481,561  
5 12 102,258  
6 7 37,644  
7 3 26,425  
8 1 1,878  
9 1 20,457  
TOT_DTR1 Num 8 Total Daily Trips- Work   0 27,268 199,507,009 POST-911 Person
1 365 2,815,946  
2 9,086 65,640,832  
3 809 5,580,076  
4 473 3,121,574  
5 41 285,310  
6 25 205,276  
7 5 15,935  
8 4 17,573  
9 2 18,639  
TOT_DTR2 Num 8 Total Daily Trips- Work Related   0 36,148 264,271,140 POST-911 Person
1 666 4,624,261  
2 672 4,501,608  
3 209 1,330,091  
4 162 951,872  
5 101 618,426  
6 53 349,053  
7 29 171,687  
8 19 152,889  
9 7 53,035  
10 1 3,106  
11 5 85,882  
12 3 49,259  
13 2 39,888  
14 1 5,972  
TOT_DTR3 Num 8 Total Daily Trips- Family/Personal   0 16,154 120,762,858 POST-911 Person
1 3,849 29,007,073  
2 7,044 50,320,810  
3 3,546 25,286,898  
4 3,009 20,851,874  
5 1,680 11,613,946  
6 1,144 7,962,387  
7 657 4,605,240  
8 416 2,782,809  
9 234 1,698,216  
10 141 915,909  
11 79 489,243  
12 46 379,216  
13 30 182,751  
14 19 156,651  
15 16 88,914  
16 5 23,757  
17 4 27,671  
18 3 22,958  
20 1 20,846  
21 1 8,143  
TOT_DTR4 Num 8 Total Daily Trips- Church/School   0 30,168 218,406,662 POST-911 Person
1 799 6,319,522  
2 6,066 45,243,453  
3 369 2,605,126  
4 591 4,111,110  
5 47 313,718  
6 33 179,119  
7 3 6,723  
8 2 22,736  
TOT_DTR5 Num 8 Total Daily Trips- Social/Recreation   0 21,923 158,922,164 POST-911 Person
1 3,924 28,448,008  
2 7,458 54,515,043  
3 2,142 15,895,022  
4 1,677 12,064,211  
5 532 4,063,011  
6 280 2,067,273  
7 77 599,088  
8 39 385,448  
9 9 104,079  
10 12 108,676  
11 3 23,843  
12 1 5,193  
14 1 7,110  
TOT_DTR6 Num 8 Total Daily Trips- Other   0 37,237 270,933,553 POST-911 Person
1 504 3,706,935  
2 262 2,051,726  
3 50 317,956  
4 18 169,786  
5 4 19,742  
6 1 498  
7 2 7,974  
TOT_TTM1 Num 8 Total Travel Period Trips-POV   0 25,100 187,041,203 POST-911 Person
1 8,675 60,670,160  
2 2,372 16,536,531  
3 822 5,114,434  
4 437 3,091,727  
5 204 1,297,241  
6 114 717,901  
7 74 606,635  
8 39 260,247  
9 25 152,694  
10 19 148,282  
11 15 121,286  
12 17 169,266  
13 9 57,739  
14 7 48,670  
15 12 128,653  
16 23 166,196  
17 13 77,498  
18 12 88,488  
19 9 98,808  
20 39 334,748  
21 18 113,479  
22 5 18,918  
23 3 10,972  
24 6 39,742  
25 2 28,715  
26 4 30,250  
27 1 22,377  
28 2 15,307  
TOT_TTM2 Num 8 Total Travel Period Trips-Air   0 36,470 266,239,978 POST-911 Person
1 1,395 9,512,203  
2 142 953,405  
3 37 233,870  
4 18 135,928  
5 11 93,704  
6 2 11,507  
7 1 7,864  
8 2 19,710  
TOT_TTM3 Num 8 Total Travel Period Trips-Bus   0 37,659 274,077,554 POST-911 Person
1 347 2,568,351  
2 45 392,713  
3 14 77,318  
4 5 59,010  
5 2 5,869  
6 2 9,817  
11 2 10,430  
17 1 4,640  
19 1 2,465  
TOT_TTM4 Num 8 Total Travel Period Trips-Train   0 37,975 276,427,861 POST-911 Person
1 83 667,392  
2 5 20,574  
3 4 31,655  
4 2 17,084  
10 1 3,234  
12 1 6,192  
14 2 10,186  
16 1 15,026  
19 2 4,414  
20 1 3,712  
21 1 838  
TOT_TTM5 Num 8 Total Travel Period Trips-Ship   0 38,056 277,068,874 POST-911 Person
1 22 139,295  
TOT_TTM6 Num 8 Total Travel Period Trips-Other   0 38,058 277,078,392 POST-911 Person
1 15 80,877  
2 2 21,050  
4 1 9,066  
17 2 18,785  
TOT_TTR1 Num 8 Total Travel Period Trips-Business   0 35,492 260,080,047 POST-911 Person
1 1,435 9,474,316  
2 416 2,675,818  
3 210 1,209,747  
4 146 1,042,839  
5 73 463,907  
6 39 245,774  
7 22 177,633  
8 28 234,451  
9 13 65,603  
10 19 105,984  
11 9 71,747  
12 10 74,456  
13 9 53,882  
14 12 85,358  
15 14 137,350  
16 21 161,921  
17 14 94,722  
18 7 55,086  
19 16 141,154  
20 47 389,604  
21 5 23,951  
22 4 11,451  
23 6 22,566  
24 4 40,869  
25 1 2,998  
26 3 27,252  
27 1 22,377  
28 2 15,307  
TOT_TTR2 Num 8 Total Travel Period Trips-Pleasure/Leisure   0 27,602 203,363,356 POST-911 Person
1 7,983 55,826,456  
2 1,642 12,094,689  
3 462 3,028,198  
4 209 1,450,860  
5 80 609,006  
6 48 302,432  
7 27 312,381  
8 11 87,758  
9 7 74,101  
10 2 12,709  
11 3 23,255  
16 1 15,153  
20 1 7,816  
TOT_TTR3 Num 8 Total Travel Period Trips-Personal Business   0 35,722 261,632,266 POST-911 Person
1 1,801 11,925,683  
2 341 2,182,416  
3 92 669,752  
4 73 499,217  
5 14 76,311  
6 17 101,521  
7 4 20,846  
8 4 30,796  
9 3 14,087  
11 1 3,679  
12 2 37,080  
16 1 2,614  
20 2 8,222  
21 1 3,680  
TOT_TTR4 Num 8 Total Travel Period Trips-Other   0 37,482 273,467,064 POST-911 Person
1 427 2,697,216  
2 123 763,920  
3 21 107,904  
4 20 123,528  
6 4 42,965  
7 1 5,572  
TRAVDAY Char 1 Travel day - day of week * 1 = Sunday 5,452 39,061,151 POST-911 Person
2 = Monday 5,894 39,061,151  
3 = Tuesday 5,237 40,321,188  
4 = Wednesday 8,738 40,321,191  
5 = Thursday 4,278 39,061,149  
6 = Friday 4,252 40,321,189  
7 = Saturday 4,227 39,061,153  
URBAN Char 2 Household in urbanized area * 1 = In an urban cluster 4,385 29,336,414 POST-911 Person
2 = In an urban area 24,025 186,858,829  
3 = In an area surrounded by urban areas 34 166,687  
4 = Not in urban area 9,634 60,846,239  
URBRUR Char 2 Household in urban/rural area * 1 = Urban 28,444 216,361,930 POST-911 Person
2 = Rural 9,634 60,846,239  
USEPUBTR Char 2 Used public transit on travel day G19 -1 = Appropriate Skip 4,776 34,944,374 POST-911 Person
-8 = Don't Know 1 14,492  
1 = Yes 1,262 12,351,754  
2 = No 32,039 229,897,548  
USULDRV Char 2 Usually drive alone or carpool to work E17 -1 = Appropriate Skip 23,209 169,632,136 POST-911 Person
-7 = Refused 1 21,744  
-8 = Don't Know 11 72,422  
-9 = Not Ascertained 24 169,426  
1 = Alone 13,542 96,373,731  
2 = Carpool 1,291 10,938,711  
WEBACC Char 2 Access to Internet in past 6 months M1 -1 = Appropriate Skip 8,316 65,394,339 POST-911 Person
-7 = Refused 5 50,414  
-8 = Don't Know 18 157,497  
-9 = Not Ascertained 3 25,918  
1 = Yes 21,123 149,239,307  
2 = No 8,613 62,340,694  
WEBHOME Char 2 Use Internet from home M3 -1 = Appropriate Skip 18,629 139,116,503 POST-911 Person
-7 = Refused 1 6,238  
1 = Yes 17,017 118,845,987  
2 = No 2,431 19,239,441  
WEBOTHER Char 2 Use Internet from other than work & home M3 -1 = Appropriate Skip 18,629 139,116,503 POST-911 Person
-8 = Don't Know 29 280,174  
1 = Yes 3,817 30,636,073  
2 = No 15,603 107,175,419  
WEBUSE Char 2 Frequency of Internet use last 6 months M2 -1 = Appropriate Skip 16,929 127,735,033 POST-911 Person
-7 = Refused 9 46,812  
-8 = Don't Know 50 447,910  
-9 = Not Ascertained 3 25,918  
1 = Almost everyday 10,921 76,482,739  
2 = Several times a week 4,396 31,721,694  
3 = Once a week 2,325 16,667,359  
4 = Once a month 1,807 13,219,874  
5 = Never 1,638 10,860,829  
WEBWHER Char 2 Where use Internet M3* -1 = Appropriate Skip 9,954 76,255,168 POST-911 Person
-7 = Refused 9 46,812  
-8 = Don't Know 53 469,495  
-9 = Not Ascertained 40 345,344  
01 = Home only 7,980 54,276,491  
02 = Work only 1,437 10,164,928  
03 = Other only 728 6,805,857  
04 = Home and Work 6,175 42,673,163  
05 = Home and Other 1,665 12,856,747  
06 = Work and Other 227 1,933,883  
07 = Home, Work, and Other 1,197 9,039,587  
08 = No internet access 8,613 62,340,694  
WEBWORK Char 2 Use Internet from work M3 -1 = Appropriate Skip 18,629 139,116,503 POST-911 Person
-8 = Don't Know 43 343,237  
1 = Yes 9,036 63,811,560  
2 = No 10,370 73,936,869  
WHERBORN Char 2 Region of birth M9* -1 = Appropriate Skip 35,146 249,286,747 POST-911 Person
-7 = Refused 22 238,741  
-8 = Don't Know 7 42,584  
-9 = Not Ascertained 4 32,293  
01 = US_Territories 75 747,765  
02 = Canada 155 1,003,939  
03 = Mexico 642 7,935,456  
04 = Central America 140 1,611,740  
05 = South America 193 2,164,915  
06 = Europe & Scandinavia/Polar Regions 516 3,645,725  
07 = Eastern Europe & Russia/USSR 187 1,375,759  
08 = Middle East 76 580,616  
09 = Africa 69 737,993  
10 = Indian Subcontinent 157 1,382,974  
11 = East Asia 328 2,575,469  
12 = Pacific Islands/ Australia 134 1,086,129  
13 = Caribbean/Atlantic Islands 226 2,755,855  
91 = Other 1 3,469  
WKFMHM2M Char 2 Work from home instead of workplace E19 -1 = Appropriate Skip 21,653 155,609,717 POST-911 Person
-8 = Don't Know 8 73,306  
1 = Yes (worked home instead of at work) 1,473 10,159,384  
2 = No (never worked solely from home) 14,944 111,365,762  
WKFMHMXX Char 2 Frequency of working from home E20 -1 = Appropriate Skip 36,605 267,048,785 POST-911 Person
-7 = Refused 2 14,877  
-8 = Don't Know 8 56,033  
1 = Almost every day 242 1,694,906  
2 = Once a week or more 530 3,547,245  
3 = Once a month or more 420 2,950,242  
4 = A few times a year 251 1,756,910  
5 = Once a year 20 139,171  
WKFTPT Char 2 Work full or part time E5 -1 = Appropriate Skip 19,460 141,082,193 POST-911 Person
-7 = Refused 2 18,331  
-8 = Don't Know 12 108,321  
1 = Full-time 14,912 108,836,071  
2 = Part-time 3,608 26,540,765  
3 = Multiple Jobs 84 622,488  
WKSTFIPS Char 2 FIPS state code for work * -1 = Appropriate Skip 20,781 152,083,324 POST-911 Person
-9 = Not Ascertained 5 31,852  
01 = Alabama (FIPS Code=01) 209 1,607,703  
02 = Alaska (FIPS Code=02) 1 4,874  
04 = Arizona (FIPS Code=04) 267 2,073,998  
05 = Arkansas (FIPS Code=05) 153 1,163,396  
06 = California (FIPS Code=06) 1,645 14,511,644  
08 = Colorado (FIPS Code=08) 318 2,176,414  
09 = Connecticut (FIPS Code=09) 222 1,502,384  
10 = Delaware (FIPS Code=10) 3 28,453  
11 = District of Columbia (FIPS Code=11) 6 48,173  
12 = Florida (FIPS Code=12) 792 6,515,068  
13 = Georgia (FIPS Code=13) 449 3,765,430  
15 = Hawaii (FIPS Code=15) 3 16,612  
16 = Idaho (FIPS Code=16) 12 64,473  
17 = Illinois (FIPS Code=17) 720 5,308,804  
18 = Indiana (FIPS Code=18) 481 3,081,628  
19 = Iowa (FIPS Code=19) 264 1,439,857  
20 = Kansas (FIPS Code=20) 215 1,146,774  
21 = Kentucky (FIPS Code=21) 263 1,697,915  
22 = Louisiana (FIPS Code=22) 200 1,543,335  
23 = Maine (FIPS Code=23) 17 95,540  
24 = Maryland (FIPS Code=24) 331 2,679,909  
25 = Massachusetts (FIPS Code=25) 422 3,255,352  
26 = Michigan (FIPS Code=26) 611 4,226,021  
27 = Minnesota (FIPS Code=27) 440 2,769,236  
28 = Mississippi (FIPS Code=28) 116 980,803  
29 = Missouri (FIPS Code=29) 400 2,481,111  
30 = Montana (FIPS Code=30) 12 68,281  
31 = Nebraska (FIPS Code=31) 19 102,750  
32 = Nevada (FIPS Code=32) 8 32,579  
33 = New Hampshire (FIPS Code=33) 16 116,231  
34 = New Jersey (FIPS Code=34) 479 3,464,950  
35 = New Mexico (FIPS Code=35) 9 53,416  
36 = New York (FIPS Code=36) 1,098 8,310,757  
37 = North Carolina (FIPS Code=37) 537 4,137,522  
38 = North Dakota (FIPS Code=38) 8 40,808  
39 = Ohio (FIPS Code=39) 834 5,320,282  
40 = Oklahoma (FIPS Code=40) 175 1,282,754  
41 = Oregon (FIPS Code=41) 238 1,382,436  
42 = Pennsylvania (FIPS Code=42) 858 5,347,686  
44 = Rhode Island (FIPS Code=44) 5 33,281  
45 = South Carolina (FIPS Code=45) 215 1,642,768  
46 = South Dakota (FIPS Code=46) 8 37,099  
47 = Tennessee (FIPS Code=47) 347 2,240,227  
48 = Texas (FIPS Code=48) 970 8,015,262  
49 = Utah (FIPS Code=49) 164 1,052,596  
50 = Vermont (FIPS Code=50) 10 38,800  
51 = Virginia (FIPS Code=51) 500 3,836,048  
53 = Washington (FIPS Code=53) 418 2,726,549  
54 = West Virginia (FIPS Code=54) 7 36,710  
55 = Wisconsin (FIPS Code=55) 504 2,900,034  
56 = Wyoming (FIPS Code=56) 1 1,710  
XX = Suppressed, HH in state of less than 2 million 1,292 8,686,553  
WORKER Char 2 Respondent has a job E3* -1 = Appropriate Skip 7,680 60,515,782 POST-911 Person
-9 = Not Ascertained 55 613,768  
1 = Yes 19,818 145,080,106  
2 = No 10,525 70,998,513  
WORKGEO Char 2 Level of geocoding work location * -1 = Appropriate Skip 20,843 152,558,710 POST-911 Person
1 = Street address 9,768 68,436,491  
2 = Nearest intersection 5,915 44,941,629  
3 = Landmark 35 356,155  
4 = Zip code centroid 1,053 7,148,791  
5 = Place name or employer 243 1,867,956  
6 = City / County centroid 180 1,546,824  
7 = State centroid 36 319,760  
8 = Unable to geocode 5 31,852  
WORKSTAT Char 2 Workplace state E10* -1 = Appropriate Skip 21,653 155,609,717 POST-911 Person
-7 = Refused 21 147,349  
-8 = Don't Know 48 394,922  
AL = Alabama 200 1,513,840  
AR = Arkansas 149 1,169,036  
AZ = Arizona 247 1,959,637  
CA = California 1,565 14,108,778  
CO = Colorado 296 2,122,473  
CT = Connecticut 210 1,462,113  
FL = Florida 723 6,140,272  
GA = Georgia 429 3,699,905  
IA = Iowa 263 1,447,166  
IL = Illinois 703 5,226,549  
IN = Indiana 467 3,060,511  
KS = Kansas 202 1,106,603  
KY = Kentucky 240 1,561,256  
LA = Louisiana 201 1,557,804  
MA = Massachusetts 412 3,287,566  
MD = Maryland 312 2,496,745  
MI = Michigan 572 4,059,927  
MN = Minnesota 419 2,703,336  
MO = Missouri 360 2,285,787  
MS = Mississippi 114 1,005,278  
NC = North Carolina 525 4,110,683  
NJ = New Jersey 452 3,368,876  
NY = New York 1,061 8,148,347  
OH = Ohio 783 5,093,287  
OK = Oklahoma 167 1,198,442  
OR = Oregon 222 1,338,395  
PA = Pennsylvania 819 5,218,302  
SC = South Carolina 206 1,625,045  
TN = Tennessee 320 2,196,602  
TX = Texas 920 7,837,061  
UT = Utah 150 990,870  
VA = Virginia 475 3,822,796  
WA = Washington 393 2,653,440  
WI = Wisconsin 487 2,792,899  
XX = Suppressed, HH in state of less than 2 million 1,292 8,686,553  
WRKCOUNT Num 8 Number of HH members with jobs E3* 0 5,604 35,250,446 POST-911 Person
1 11,390 83,412,437  
2 16,174 116,868,822  
3 3,584 29,650,243  
4 1,083 9,512,804  
5 176 1,705,707  
6 45 744,458  
8 8 29,535  
10 14 33,717  
WRKDRIVE Char 2 Job requires driving a motor vehicle E8 -1 = Appropriate Skip 21,193 155,902,643 POST-911 Person
-8 = Don't Know 7 55,970  
-9 = Not Ascertained 12 109,799  
1 = Yes 3,620 25,299,118  
2 = No 13,246 95,840,639  
WRKTRANS Char 2 Transportation mode to work last week E16 -1 = Appropriate Skip 22,125 159,078,765 POST-911 Person
-8 = Don't Know 13 68,822  
01 = Car 9,700 71,400,853  
02 = Van 1,113 7,678,229  
03 = SUV 1,450 9,981,042  
04 = Pickup truck 2,531 17,965,523  
05 = Other truck 57 409,168  
06 = RV 3 16,117  
07 = Motorcycle 14 118,585  
08 = Commercial/charter airplane 9 67,269  
09 = Private/corporate airplane 1 3,925  
10 = Local public transit bus 267 2,857,192  
11 = Commuter bus 24 205,985  
12 = School bus 18 143,703  
13 = Charter/tour bus 3 25,660  
14 = City to city bus 6 48,791  
15 = Amtrak/inter city train 23 263,227  
16 = Commuter train 109 884,606  
17 = Subway/elevated rail 161 1,983,295  
18 = Street car/trolley 6 83,614  
20 = Passenger line/ferry 5 25,765  
22 = Taxicab 10 64,912  
25 = Bicycle 55 525,486  
26 = Walk 364 3,235,434  
91 = Other 11 72,199  
WRKTRPS Char 2 Made more than 10 trips for job G5 -1 = Appropriate Skip 34,458 251,909,051 POST-911 Person
-8 = Don't Know 12 117,803  
-9 = Not Ascertained 1 1,318  
1 = Yes 364 2,641,716  
2 = No 3,243 22,538,281  
WTPRNTL Num 8 Person Wt - At least 50% completed-NATL         POST-911 Person
YEARMILE Num 8 Miles respondent drove last 12 months L5 -9 = Not Ascertained 52 399,289 POST-911 Person
-8 = Don't Know 6,611 48,174,274  
-7 = Refused 4 26,931  
-1 = Appropriate Skip 10,879 88,608,055  
0-200000 20,532 139,999,619  
YRMLCAP Char 2 Year miles was capped * -1 = Appropriate Skip 17,545 137,206,709 POST-911 Person
1 = Yes 6 49,878  
2 = No 20,527 139,951,581  
YRMLCAT Char 2 Annual mileage range for subject L5B -1 = Appropriate Skip 31,342 228,013,639 POST-911 Person
-7 = Refused 5 41,152  
-8 = Don't Know 281 2,275,944  
-9 = Not Ascertained 42 334,972  
1 = 5,000 miles or less 3,136 22,684,263  
2 = 5,001 to 10,000 miles 1,521 10,915,301  
3 = 10,001 to 15, 000 miles 773 5,805,242  
4 = 15,001 to 20,000 miles 483 3,635,631  
5 = More than 20,000 miles 495 3,502,026  
YRTOUS Char 4 Year entered U.S. M10* -1 = Appropriate Skip 35,146 249,286,747 POST-911 Person
-7 = Refused 21 291,148  
-8 = Don't Know 82 759,501  
-9 = Not Ascertained 71 681,803  
1958 710 5,054,961  
1970 44 348,873  
1971 30 183,774  
1972 39 395,403  
1973 33 286,267  
1974 43 407,238  
1975 41 339,529  
1976 42 359,014  
1977 28 272,464  
1978 62 506,437  
1979 63 593,484  
1980 80 799,061  
1981 51 433,536  
1982 48 475,128  
1983 51 464,389  
1984 60 664,046  
1985 78 826,170  
1986 61 654,396  
1987 60 583,655  
1988 87 986,782  
1989 95 1,116,671  
1990 73 745,333  
1991 67 605,408  
1992 86 841,222  
1993 68 710,068  
1994 71 827,809  
1995 80 649,805  
1996 91 956,484  
1997 73 885,840  
1998 78 804,047  
1999 87 1,242,894  
2000 71 938,346  
2001 107 1,230,434  
Research and Innovative Technology Administration (RITA) • U.S. Department of Transportation (US DOT)
1200 New Jersey Avenue, SE • Washington, DC 20590 • 800-853-1351 • E-mail RITA

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