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Table B–20 - Estimated Measures of Reliability for Shipment Characteristics by Commodity Group and Mode of Transportation for State of Origin: 2002 and 1997
[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]
Excel | CSV
All Commodities
All modes |
6.9 |
6.2 |
13.2 |
11.8 |
6.3 |
16.6 |
9.4 |
4.2 |
11.4 |
9.9 |
2.9 |
9.7 |
Single modes |
7.1 |
6.6 |
14.5 |
12.2 |
6.5 |
17.1 |
9.6 |
5.0 |
12.6 |
20.3 |
11.8 |
25.5 |
Truck |
7.8 |
7.3 |
16.1 |
12.7 |
8.5 |
20.0 |
10.7 |
6.0 |
17.9 |
18.0 |
14.2 |
23.3 |
Rail |
19.6 |
12.2 |
27.2 |
S |
15.4 |
S |
21.2 |
13.1 |
21.5 |
14.4 |
10.3 |
43.5 |
Water |
43.2 |
41.2 |
19.1 |
S |
S |
S |
S |
S |
S |
S |
S |
S |
Air (including truck and air) |
21.6 |
19.9 |
49.6 |
38.1 |
S |
S |
41.5 |
S |
S |
5.2 |
10.9 |
20.8 |
Pipeline |
49.5 |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
9.7 |
4.0 |
11.6 |
16.9 |
20.8 |
9.7 |
10.7 |
21.7 |
7.7 |
3.7 |
3.2 |
5.3 |
Parcel, USPS or courier |
9.8 |
3.9 |
11.8 |
12.1 |
7.4 |
18.1 |
15.4 |
7.7 |
25.3 |
3.7 |
3.3 |
5.3 |
Truck and rail |
27.7 |
15.6 |
14.7 |
38.2 |
28.5 |
11.5 |
29.8 |
17.9 |
14.6 |
22.2 |
19.6 |
45.5 |
Other multiple modes |
S |
41.5 |
S |
S |
30.2 |
S |
S |
31.1 |
S |
24.3 |
27.2 |
27.1 |
Other and unknown modes |
35.4 |
14.5 |
46.1 |
19.4 |
13.0 |
76.6 |
24.3 |
21.9 |
45.5 |
39.6 |
18.2 |
21.1 |
SCTG 01-05, Agriculture products and fish
All modes |
15.6 |
10.5 |
19.8 |
22.0 |
17.3 |
19.1 |
37.2 |
44.3 |
42.8 |
18.4 |
21.5 |
37.4 |
Single modes |
16.6 |
10.4 |
20.9 |
22.8 |
17.5 |
19.5 |
38.1 |
45.2 |
43.8 |
22.2 |
31.3 |
86.9 |
Truck |
16.1 |
10.7 |
21.2 |
22.4 |
9.6 |
20.0 |
40.0 |
14.0 |
56.4 |
22.7 |
31.8 |
86.7 |
Rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
23.4 |
22.1 |
31.2 |
Water |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.6 |
31.5 |
461.2 |
Air (including truck and air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
22.8 |
7.1 |
23.3 |
Pipeline |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
24.8 |
S |
S |
S |
S |
S |
47.5 |
S |
S |
11.6 |
S |
Parcel, USPS or courier |
S |
29.9 |
S |
S |
46.2 |
S |
S |
48.3 |
S |
29.6 |
11.6 |
28.7 |
Truck and rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.6 |
39.8 |
141.4 |
Other multiple modes |
S |
– |
S |
S |
– |
S |
S |
– |
S |
32.2 |
– |
– |
Other and unknown modes |
S |
35.7 |
S |
S |
23.6 |
S |
S |
46.7 |
S |
S |
37.9 |
S |
SCTG 06-09, Grains, alcohol, and tobacco products
All modes |
8.3 |
3.4 |
12.3 |
9.7 |
5.5 |
11.8 |
23.6 |
12.1 |
39.2 |
S |
30.1 |
S |
Single modes |
9.1 |
4.3 |
13.9 |
10.4 |
7.4 |
14.2 |
24.6 |
11.5 |
50.7 |
S |
11.9 |
S |
Truck |
9.3 |
4.1 |
13.7 |
10.8 |
7.1 |
14.2 |
19.8 |
10.3 |
41.0 |
S |
11.3 |
S |
Rail |
S |
42.5 |
S |
S |
38.5 |
S |
S |
44.8 |
S |
16.2 |
12.4 |
33.9 |
Water |
S |
– |
S |
S |
– |
S |
S |
– |
S |
31.6 |
– |
– |
Air (including truck and air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
29.8 |
27.2 |
55.0 |
Pipeline |
S |
– |
S |
S |
– |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
41.6 |
35.1 |
34.1 |
27.2 |
44.5 |
1.8 |
46.2 |
46.9 |
4.2 |
21.9 |
11.8 |
25.5 |
Parcel, USPS or courier |
47.6 |
24.2 |
129.4 |
49.9 |
24.1 |
106.2 |
42.9 |
37.5 |
64.8 |
18.9 |
11.8 |
22.8 |
Truck and rail |
41.3 |
S |
S |
45.2 |
S |
S |
S |
S |
S |
24.1 |
31.3 |
116.9 |
Other multiple modes |
S |
45.0 |
S |
S |
45.1 |
S |
S |
47.8 |
S |
S |
S |
S |
Other and unknown modes |
S |
S |
S |
S |
S |
S |
S |
46.3 |
S |
S |
S |
S |
SCTG 10-14, Stones, non-metallic minerals, and metallic ores
All modes |
14.6 |
17.5 |
18.3 |
15.7 |
15.8 |
26.0 |
20.0 |
23.3 |
20.7 |
33.8 |
15.9 |
29.1 |
Single modes |
14.6 |
18.9 |
19.5 |
15.9 |
16.0 |
25.9 |
19.9 |
26.9 |
25.1 |
34.8 |
15.7 |
31.1 |
Truck |
15.4 |
25.5 |
27.6 |
16.6 |
18.8 |
35.5 |
24.1 |
22.3 |
45.2 |
35.9 |
15.4 |
37.3 |
Rail |
14.4 |
28.2 |
17.5 |
25.6 |
37.7 |
14.3 |
24.5 |
49.6 |
12.5 |
46.4 |
32.3 |
80.9 |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (including truck and air) |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
25.1 |
– |
Pipeline |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
28.9 |
S |
S |
Parcel, USPS or courier |
S |
S |
S |
S |
S |
S |
S |
S |
S |
29.0 |
S |
S |
Truck and rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
28.1 |
31.6 |
S |
Other multiple modes |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
29.8 |
– |
Other and unknown modes |
42.7 |
S |
S |
43.7 |
S |
S |
S |
S |
S |
31.3 |
S |
S |
SCTG 15-19, Coal and petroleum products
All modes |
13.3 |
10.8 |
21.8 |
13.4 |
10.3 |
17.6 |
14.1 |
24.3 |
19.5 |
24.6 |
12.6 |
16.7 |
Single modes |
13.2 |
10.7 |
21.7 |
13.4 |
10.3 |
17.5 |
14.1 |
24.3 |
19.5 |
24.9 |
10.8 |
17.4 |
Truck |
13.6 |
10.7 |
21.3 |
13.4 |
10.3 |
16.7 |
14.0 |
24.3 |
19.2 |
24.9 |
10.8 |
17.4 |
Rail |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (including truck and air) |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Pipeline |
49.6 |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
32.8 |
S |
S |
S |
S |
S |
S |
S |
S |
24.7 |
S |
Parcel, USPS or courier |
S |
38.5 |
S |
S |
45.7 |
S |
S |
S |
S |
32.2 |
25.9 |
27.3 |
Truck and rail |
– |
S |
S |
– |
S |
S |
– |
S |
S |
– |
31.6 |
– |
Other multiple modes |
S |
– |
S |
S |
– |
S |
S |
– |
S |
31.6 |
– |
– |
Other and unknown modes |
S |
49.2 |
S |
S |
S |
S |
S |
S |
S |
32.3 |
S |
S |
SCTG 20-24, Pharmaceutical and chemical products
All modes |
9.2 |
5.1 |
15.7 |
S |
13.1 |
S |
15.2 |
5.9 |
17.2 |
8.3 |
5.6 |
8.9 |
Single modes |
10.6 |
4.7 |
16.6 |
S |
13.3 |
S |
15.3 |
6.4 |
17.7 |
39.5 |
31.8 |
77.7 |
Truck |
11.9 |
5.5 |
19.8 |
S |
9.8 |
S |
11.8 |
7.5 |
19.6 |
41.8 |
36.0 |
82.8 |
Rail |
28.6 |
14.8 |
34.4 |
S |
18.0 |
S |
22.7 |
7.5 |
22.7 |
13.7 |
15.1 |
17.6 |
Water |
S |
S |
S |
S |
S |
S |
S |
S |
S |
39.3 |
29.9 |
924.9 |
Air (including truck and air) |
S |
44.6 |
S |
S |
29.7 |
S |
S |
37.3 |
S |
13.7 |
S |
S |
Pipeline |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
20.6 |
12.3 |
30.7 |
S |
46.6 |
S |
25.2 |
31.2 |
27.1 |
4.4 |
4.5 |
5.9 |
Parcel, USPS or courier |
20.7 |
12.5 |
31.1 |
19.2 |
9.8 |
28.2 |
19.6 |
11.4 |
26.3 |
4.4 |
4.5 |
5.9 |
Truck and rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.1 |
34.3 |
60.2 |
Other multiple modes |
S |
– |
S |
S |
– |
S |
S |
– |
S |
28.0 |
– |
– |
Other and unknown modes |
S |
21.3 |
S |
23.1 |
20.2 |
20.3 |
S |
19.8 |
S |
S |
S |
S |
SCTG 25-30, Logs, wood products, and textile and leather
All modes |
9.9 |
6.5 |
15.4 |
S |
34.0 |
S |
15.8 |
20.1 |
44.3 |
11.0 |
7.6 |
20.1 |
Single modes |
7.9 |
8.9 |
15.6 |
S |
36.0 |
S |
17.6 |
23.0 |
52.1 |
24.7 |
18.7 |
52.0 |
Truck |
8.7 |
8.9 |
16.2 |
S |
38.5 |
S |
22.1 |
27.0 |
69.8 |
31.7 |
19.6 |
58.9 |
Rail |
29.8 |
22.7 |
42.9 |
36.2 |
23.3 |
44.8 |
35.6 |
26.4 |
51.5 |
14.6 |
16.5 |
43.3 |
Water |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
29.8 |
S |
Air (including truck and air) |
S |
S |
S |
46.1 |
S |
S |
46.0 |
S |
S |
7.4 |
6.7 |
10.5 |
Pipeline |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
33.7 |
12.3 |
45.8 |
27.8 |
40.2 |
20.3 |
33.1 |
28.6 |
28.3 |
4.0 |
7.5 |
12.7 |
Parcel, USPS or courier |
34.2 |
12.5 |
47.4 |
36.4 |
19.7 |
64.0 |
42.5 |
22.2 |
102.0 |
4.0 |
7.5 |
12.7 |
Truck and rail |
38.4 |
30.8 |
20.6 |
45.4 |
S |
S |
S |
36.0 |
S |
26.9 |
19.3 |
36.0 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.6 |
31.6 |
28.4 |
Other and unknown modes |
24.5 |
21.5 |
42.1 |
31.5 |
34.0 |
298.3 |
45.1 |
45.7 |
339.6 |
S |
14.1 |
S |
SCTG 31-34, Base metal and machinery
All modes |
10.9 |
8.7 |
13.5 |
24.9 |
11.4 |
25.7 |
16.9 |
12.7 |
21.1 |
21.8 |
12.7 |
31.3 |
Single modes |
11.8 |
10.2 |
15.7 |
25.6 |
11.8 |
26.4 |
17.3 |
14.0 |
24.0 |
17.2 |
8.9 |
18.8 |
Truck |
11.0 |
9.8 |
14.7 |
26.3 |
11.9 |
26.9 |
18.5 |
9.6 |
25.2 |
16.8 |
9.0 |
19.2 |
Rail |
37.1 |
26.7 |
46.8 |
S |
34.4 |
S |
42.0 |
46.2 |
40.0 |
20.8 |
32.5 |
30.2 |
Water |
S |
S |
S |
S |
47.0 |
S |
S |
S |
S |
S |
S |
S |
Air (including truck and air) |
46.2 |
29.3 |
113.9 |
28.1 |
S |
S |
28.6 |
S |
S |
6.3 |
8.9 |
14.1 |
Pipeline |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
15.5 |
13.1 |
17.4 |
41.0 |
20.9 |
43.7 |
30.9 |
17.7 |
31.4 |
10.4 |
13.6 |
23.8 |
Parcel, USPS or courier |
15.5 |
13.5 |
17.7 |
19.8 |
13.7 |
15.7 |
23.4 |
18.6 |
22.8 |
10.4 |
13.6 |
23.7 |
Truck and rail |
47.8 |
S |
S |
S |
39.2 |
S |
S |
37.3 |
S |
25.8 |
43.9 |
36.0 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
29.8 |
S |
S |
Other and unknown modes |
17.6 |
19.1 |
16.8 |
39.5 |
20.8 |
47.3 |
29.1 |
31.2 |
4.5 |
S |
19.7 |
S |
SCTG 35-38, Electronic, motorized vehicles, and precision instruments
All modes |
17.6 |
8.0 |
33.5 |
26.1 |
11.4 |
80.4 |
14.2 |
6.2 |
55.1 |
15.7 |
9.5 |
18.6 |
Single modes |
23.0 |
11.9 |
56.4 |
27.6 |
13.6 |
95.6 |
16.7 |
9.4 |
76.1 |
31.4 |
24.3 |
63.9 |
Truck |
25.7 |
13.8 |
67.1 |
28.4 |
13.8 |
98.1 |
18.1 |
8.0 |
80.0 |
39.4 |
35.1 |
84.6 |
Rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
26.7 |
S |
Water |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
S |
Air (including truck and air) |
24.2 |
23.8 |
56.9 |
48.7 |
35.8 |
284.9 |
38.0 |
48.1 |
242.6 |
6.1 |
18.4 |
41.4 |
Pipeline |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
14.0 |
8.3 |
18.3 |
16.3 |
12.3 |
25.8 |
20.7 |
13.4 |
42.4 |
6.6 |
7.7 |
10.6 |
Parcel, USPS or courier |
13.8 |
8.3 |
17.7 |
16.6 |
12.3 |
25.8 |
21.5 |
13.0 |
43.2 |
6.7 |
7.7 |
10.6 |
Truck and rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.6 |
31.6 |
44.6 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
29.4 |
29.6 |
25.8 |
Other and unknown modes |
38.3 |
17.8 |
32.6 |
31.9 |
15.3 |
57.0 |
44.9 |
21.7 |
182.5 |
S |
45.1 |
S |
SCTG 39-43, Furniture, mixed freight and misc manufactured products
All modes |
8.4 |
30.0 |
47.7 |
18.4 |
20.8 |
34.0 |
31.1 |
20.4 |
49.2 |
13.0 |
9.9 |
8.4 |
Single modes |
8.9 |
32.9 |
56.4 |
18.9 |
21.2 |
34.8 |
33.6 |
21.7 |
53.7 |
33.6 |
23.1 |
17.2 |
Truck |
8.7 |
33.2 |
57.4 |
13.7 |
22.3 |
30.8 |
16.3 |
17.8 |
22.8 |
31.8 |
26.3 |
16.1 |
Rail |
S |
35.5 |
S |
S |
39.2 |
S |
S |
S |
S |
24.8 |
24.2 |
44.5 |
Water |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.6 |
49.4 |
550.4 |
Air (including truck and air) |
42.0 |
45.2 |
44.6 |
S |
S |
S |
S |
S |
S |
10.2 |
7.4 |
14.5 |
Pipeline |
S |
– |
S |
S |
– |
S |
S |
S |
S |
S |
S |
S |
Multiple modes |
20.0 |
13.8 |
21.0 |
31.7 |
29.6 |
45.8 |
40.4 |
30.0 |
57.5 |
10.8 |
5.6 |
8.7 |
Parcel, USPS or courier |
20.4 |
14.0 |
21.7 |
40.1 |
15.4 |
61.5 |
S |
15.8 |
S |
10.7 |
5.6 |
8.7 |
Truck and rail |
S |
33.2 |
S |
42.1 |
42.0 |
13.5 |
48.1 |
45.3 |
18.8 |
27.1 |
20.9 |
61.3 |
Other multiple modes |
S |
S |
S |
S |
S |
S |
S |
S |
S |
38.1 |
28.1 |
12.9 |
Other and unknown modes |
41.0 |
40.2 |
48.7 |
S |
34.7 |
S |
45.1 |
S |
S |
S |
27.7 |
S |
Commodity Unknown
All modes |
21.7 |
30.5 |
15.9 |
49.4 |
35.9 |
74.5 |
32.5 |
28.2 |
21.3 |
S |
32.0 |
S |
Single modes |
23.8 |
36.7 |
19.0 |
49.6 |
36.6 |
76.0 |
32.8 |
29.8 |
22.5 |
S |
28.1 |
S |
Truck |
25.8 |
37.4 |
18.6 |
S |
39.6 |
S |
35.7 |
31.1 |
24.2 |
S |
30.6 |
S |
Rail |
S |
S |
S |
S |
S |
S |
S |
S |
S |
31.6 |
31.6 |
2.1 |
Water |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Air (including truck and air) |
S |
S |
S |
S |
S |
S |
S |
S |
S |
26.9 |
27.0 |
69.2 |
Pipeline |
– |
– |
– |
– |
– |
– |
S |
S |
S |
S |
S |
S |
Multiple modes |
S |
36.0 |
S |
32.8 |
38.3 |
48.4 |
42.8 |
24.9 |
89.4 |
20.1 |
49.8 |
117.7 |
Parcel, USPS or courier |
S |
36.0 |
S |
32.8 |
38.3 |
48.4 |
42.8 |
24.9 |
89.4 |
20.1 |
49.8 |
117.7 |
Truck and rail |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Other multiple modes |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Other and unknown modes |
S |
S |
S |
S |
44.0 |
S |
S |
S |
S |
S |
37.6 |
S |
KEY:
– Represents data cell
equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling
variability or poor response quality.
CV Coefficient of variation of number
NOTE: The Introduction and appendixes give
information onf confidentiality protection, sampling error, nonsampling
error, sample design, and definitions.
Links to this information on the Internet may be found at
www.census.gov/cfs.
SOURCE: Bureau of Transportation Statistics (USDOT)
and U.S. Census Bureau, 2002 Commodity Flow Survey, Individual State Data,
December 2004.
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