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Table
1-1M: System Kilometers Within the
United States
Excel | CSV
Highwaya |
5,706,240 |
5,937,942 |
6,002,985 |
6,176,897 |
6,211,806 |
6,218,364 |
6,223,214 |
6,250,563 |
6,278,181 |
6,284,828 |
6,287,055 |
6,296,117 |
6,308,068 |
6,350,265 |
6,286,564 |
6,304,192 |
6,334,735 |
6,354,229 |
6,383,439 |
6,395,705 |
6,407,622 |
6,430,351 |
Class I railb,c |
333,672 |
321,544 |
316,202 |
308,222 |
265,255 |
234,584 |
192,732 |
187,691 |
181,946 |
177,712 |
175,953 |
174,234 |
170,235 |
164,359 |
161,852 |
160,017 |
159,727 |
157,421 |
161,136 |
159,528 |
157,172 |
154,223 |
Amtrakc |
N |
N |
N |
N |
38,624 |
38,624 |
38,624 |
40,234 |
40,234 |
40,234 |
40,234 |
38,624 |
40,234 |
40,234 |
35,406 |
37,015 |
37,015 |
37,015 |
37,015 |
36,492 |
35,818 |
35,417 |
Transitd |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Commuter railc |
N |
N |
N |
N |
N |
5,752 |
6,649 |
6,498 |
6,457 |
6,583 |
6,583 |
6,695 |
5,926 |
7,108 |
8,324 |
8,354 |
8,383 |
8,382 |
10,993 |
10,959 |
11,065 |
11,455 |
Heavy
rail |
N |
N |
N |
N |
N |
2,081 |
2,174 |
2,203 |
2,258 |
2,336 |
2,342 |
2,346 |
2,379 |
2,457 |
2,457 |
2,478 |
2,507 |
2,530 |
2,530 |
2,571 |
2,569 |
2,610 |
Light
rail |
N |
N |
N |
N |
N |
618 |
777 |
887 |
898 |
865 |
904 |
913 |
1,027 |
1,061 |
1,088 |
1,291 |
1,343 |
1,444 |
1,544 |
1,603 |
1,910 |
1,912 |
Navigable channelse |
40,234 |
40,234 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
41,843 |
Oil pipelinef |
307,295 |
339,358 |
351,917 |
363,533 |
351,469 |
343,764 |
335,954 |
328,029 |
316,309 |
312,181 |
306,339 |
292,759 |
285,715 |
289,478 |
287,506 |
285,599 |
284,847 |
(R) 254,675 |
(R) 259,088 |
(R) 257,316 |
260,183 |
256,710 |
Gas pipelineg |
1,015,416 |
1,235,204 |
1,469,761 |
1,575,971 |
1,692,666 |
1,800,655 |
1,913,832 |
1,944,409 |
1,957,123 |
2,055,454 |
2,073,479 |
2,056,098 |
2,130,128 |
2,143,324 |
2,174,546 |
2,157,004 |
2,203,675 |
2,210,434 |
2,271,428 |
2,292,028 |
2,353,344 |
2,313,432 |
KEY: N = data do not
exist
a
All public road and street kilometers in
the 50 states and the District of Columbia. For years prior to 1980, some
kilometers of nonpublic roadways are included. No consistent data on private
road kilometers are available. Beginning in 1998, approximately 70,000
kilometers of Bureau of Land Management Roads are excluded.
b
Data represent kilometers of road owned
(aggregate length of road, excluding yard tracks, sidings, and parallel
lines).
c
Portions of Class I freight railroads,
Amtrak, and commuter rail networks share common trackage. Amtrak data represent kilometers of road
operated.
d
Transit system length is measured in
directional route-kilometers.
Directional route-kilometers is the distance in each direction over
which public transportation vehicles travel while in revenue service. Directional route-kilometers are computed
with regard to direction of service, but without regard to the number of
traffic lanes or rail tracks existing in the right-of-way. Beginning in 2002, directional
route-kilometers data for the commuter and light rail modes include purchased
transportation. The 2002 data has been
revised to include purchased transportation data.
e These
are estimated sums of all domestic waterways which include rivers, bays,
channels, and the inner route of the Southeast Alaskan Islands, but does not
include the Great Lakes or deep ocean traffic. The Waterborne Commerce Statistics Center
monitored 20,297 kilometers as commercially significant inland shallow-draft
waterways in 2001.
f
Includes trunk and gathering lines for
crude-oil pipeline.
g
Excludes service pipelines. Data not adjusted to common diameter
equivalent. Kilometers as of the end
of each year. Includes gathering, transmission,
and distribution mains. Prior to 1990
data also include field lines. See
table 1-10 for a more detailed breakout of oil and gas pipeline kilometers. Length data reported in Gas Facts prior to 1990
was taken from the American Gas Association's member survey, the Uniform
Statistical Report, supplemented with estimates for companies that did not
participate. Gas Facts length data
is now based on information reported to the U.S. Department of Transportation
on Form 7100.
NOTE
1.609344 kilometers = 1 mile.
SOURCES
Highway:
1960-95: U.S. Department of Transportation, Federal Highway
Administration, Highway Statistics Summary to 1995, FHWA-PL-97-009 (Washington, DC: Annual issues), table
HM-212.
1996-2005: Ibid., Highway Statistics, tableHM-20, (Washington, DC: Annual issues), Internet site
http://www.fhwa.dot.gov/policy/ohpi/hss/index.htm as of Jan. 4, 2007.
Class I rail:
1960-2005: Association of American Railroads, Railroad Facts 2006 (Washington, DC:
2006), p. 45, and similar tables in earlier editions.
Amtrak:
1980: Amtrak, Corporate Planning and Development, personal
communication (Washington, DC).
1985-2001: Amtrak,
Corporate Planning and Development, Amtrak Annual
Report, Statistical Appendix (Washington,
DC: Annual issues).
2002-05:
Association of American Railroads, Railroad Facts
2006 (Washington, DC: 2006), p. 77, and
similar tables in earlier editions.
Transit:
1985-2005: U.S. Department of Transportation, Federal Transit
Administration, National Transit Database 2005 (Washington, DC: 2006), table 23 and similar tables in
earlier editions, Internet site http://www.ntdprogram.gov/ntdprogram as of
March 16, 2007.
Navigable channels:
1960-96: U.S. Army Corps of Engineers, Ohio
River Division, Huntington District, Ohio River
Navigation System Report, 1996, Commerce on the Ohio River and its
Tributaries (Fort Belvoir, VA: 1996), p. 2.
1997-99: Ibid., Waterborne Commerce
Statistics Center Databases, personal communication, Aug. 3, 2001.
2000-04: Ibid., personal communication,
Apr. 21, 2006.
2005: U.S. Army Corps of Engineers,
personal communication, Dec. 12, 2006.
Oil pipeline:
1960-2000: Eno Transportation Foundation,
Inc., Transportation in America, 2002 (Washington, DC: 2002), p. 58.
2001-05: U.S. Department of Transportation,
Pipeline and Hazardous Materials Administration, Office of Pipeline Safety,
Pipeline Statistics, Internet site http://ops.dot.gov/stats.htm as of March
16, 2007.
Gas pipeline:
1960-2005: American Gas Association, Gas Facts, 2005
(Arlington, VA: 2006), table 5-1 and similar tables in earlier editions.
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