Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for CBSA of Origin: 2002
Monday, July 2, 2012
Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for CBSA of Origin: 2002
[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]
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All modes
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
10.0 |
– |
33.4 |
– |
19.7 |
– |
Less than 50 miles |
19.5 |
4.0 |
42.5 |
8.0 |
39.3 |
4.9 |
50 to 99 miles |
22.7 |
1.9 |
S |
S |
S |
S |
100 to 249 miles |
16.0 |
2.9 |
11.2 |
3.0 |
12.1 |
2.5 |
250 to 499 miles |
21.4 |
2.4 |
37.7 |
3.0 |
36.5 |
3.0 |
500 to 749 miles |
37.3 |
4.4 |
22.1 |
0.8 |
22.9 |
2.3 |
750 to 999 miles |
28.2 |
1.2 |
S |
S |
S |
S |
1,000 to 1,499 miles |
28.8 |
0.7 |
28.9 |
0.2 |
28.1 |
0.8 |
1,500 to 1,999 miles |
20.3 |
1.3 |
29.9 |
0.7 |
30.0 |
4.9 |
2,000 miles or more |
27.1 |
0.1 |
S |
S |
49.7 |
0.3 |
Single modes
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
10.8 |
– |
33.7 |
– |
21.9 |
– |
Less than 50 miles |
19.8 |
3.3 |
42.7 |
7.9 |
39.4 |
5.4 |
50 to 99 miles |
23.8 |
2.1 |
S |
S |
S |
S |
100 to 249 miles |
16.0 |
3.3 |
11.2 |
3.1 |
12.1 |
3.6 |
250 to 499 miles |
20.4 |
2.3 |
38.2 |
3.0 |
37.0 |
3.2 |
500 to 749 miles |
44.0 |
4.9 |
22.7 |
0.8 |
23.6 |
2.2 |
750 to 999 miles |
31.7 |
1.3 |
S |
S |
S |
S |
1,000 to 1,499 miles |
33.7 |
0.8 |
29.3 |
0.2 |
28.5 |
1.0 |
1,500 to 1,999 miles |
22.9 |
0.8 |
45.1 |
0.4 |
43.3 |
2.5 |
2,000 miles or more |
49.2 |
– |
S |
S |
S |
S |
Truck
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
11.1 |
– |
33.8 |
– |
22.1 |
– |
Less than 50 miles |
19.8 |
3.3 |
42.7 |
7.9 |
39.5 |
5.5 |
50 to 99 miles |
23.8 |
2.1 |
S |
S |
S |
S |
100 to 249 miles |
16.2 |
3.4 |
11.1 |
3.2 |
11.9 |
3.7 |
250 to 499 miles |
21.2 |
2.5 |
42.5 |
3.0 |
42.2 |
3.0 |
500 to 749 miles |
45.8 |
5.0 |
24.3 |
0.9 |
25.6 |
2.5 |
750 to 999 miles |
33.6 |
1.3 |
S |
S |
S |
S |
1,000 to 1,499 miles |
35.2 |
0.8 |
29.6 |
0.2 |
28.8 |
1.0 |
1,500 to 1,999 miles |
23.4 |
0.4 |
45.5 |
0.4 |
43.7 |
2.5 |
2,000 miles or more |
S |
S |
S |
S |
S |
S |
Rail
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
S |
S |
S |
S |
S |
S |
Less than 50 miles |
S |
S |
S |
S |
S |
S |
50 to 99 miles |
S |
S |
S |
S |
S |
S |
100 to 249 miles |
S |
S |
S |
S |
S |
S |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
S |
S |
S |
S |
S |
S |
750 to 999 miles |
– |
– |
– |
– |
– |
– |
1,000 to 1,499 miles |
– |
– |
– |
– |
– |
– |
1,500 to 1,999 miles |
– |
– |
– |
– |
– |
– |
2,000 miles or more |
– |
– |
– |
– |
– |
– |
All other Single modes
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
45.2 |
– |
S |
S |
S |
S |
Less than 50 miles |
– |
– |
– |
– |
– |
– |
50 to 99 miles |
– |
– |
– |
– |
– |
– |
100 to 249 miles |
S |
S |
S |
S |
S |
S |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
S |
S |
48.4 |
10.8 |
S |
S |
750 to 999 miles |
S |
S |
S |
S |
S |
S |
1,000 to 1,499 miles |
S |
S |
S |
S |
S |
S |
1,500 to 1,999 miles |
S |
S |
S |
S |
S |
S |
2,000 miles or more |
S |
S |
S |
S |
S |
S |
Multiple modes
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
24.3 |
– |
41.5 |
– |
S |
S |
Less than 50 miles |
37.3 |
5.3 |
41.1 |
6.6 |
43.8 |
2.1 |
50 to 99 miles |
S |
S |
S |
S |
S |
S |
100 to 249 miles |
32.9 |
5.2 |
39.5 |
5.1 |
37.1 |
3.2 |
250 to 499 miles |
34.8 |
6.6 |
S |
S |
S |
S |
500 to 749 miles |
47.9 |
2.7 |
38.0 |
2.2 |
33.8 |
2.8 |
750 to 999 miles |
S |
S |
36.6 |
2.2 |
37.0 |
2.8 |
1,000 to 1,499 miles |
37.7 |
1.4 |
28.9 |
2.0 |
28.3 |
4.2 |
1,500 to 1,999 miles |
38.8 |
7.3 |
S |
S |
S |
S |
2,000 miles or more |
36.7 |
1.2 |
38.3 |
0.8 |
49.4 |
4.5 |
Parcel, USPS or courier
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
26.5 |
– |
40.0 |
– |
31.3 |
– |
Less than 50 miles |
37.3 |
5.2 |
41.1 |
5.7 |
43.8 |
2.0 |
50 to 99 miles |
S |
S |
S |
S |
S |
S |
100 to 249 miles |
32.9 |
5.3 |
39.5 |
5.4 |
37.1 |
3.2 |
250 to 499 miles |
36.2 |
6.4 |
22.5 |
5.3 |
22.3 |
3.2 |
500 to 749 miles |
48.2 |
3.8 |
40.6 |
3.9 |
36.5 |
4.1 |
750 to 999 miles |
S |
S |
36.6 |
2.4 |
37.0 |
2.5 |
1,000 to 1,499 miles |
37.9 |
1.4 |
29.8 |
1.7 |
29.1 |
3.2 |
1,500 to 1,999 miles |
35.8 |
1.6 |
43.7 |
1.3 |
45.0 |
3.6 |
2,000 miles or more |
38.3 |
1.3 |
27.4 |
0.3 |
29.5 |
1.8 |
All other multiple modes
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
S |
S |
S |
S |
S |
S |
Less than 50 miles |
– |
– |
– |
– |
– |
– |
50 to 99 miles |
– |
– |
– |
– |
– |
– |
100 to 249 miles |
– |
– |
– |
– |
– |
– |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
S |
S |
S |
S |
S |
S |
750 to 999 miles |
– |
– |
– |
– |
– |
– |
1,000 to 1,499 miles |
S |
S |
S |
S |
S |
S |
1,500 to 1,999 miles |
S |
S |
S |
S |
S |
S |
2,000 miles or more |
S |
S |
S |
S |
S |
S |
Other and unknown modes
Distance Shipped |
Value |
Tons |
Ton-miles |
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
All distances |
S |
S |
45.2 |
– |
31.1 |
– |
Less than 50 miles |
S |
S |
S |
S |
S |
S |
50 to 99 miles |
S |
S |
S |
S |
S |
S |
100 to 249 miles |
S |
S |
S |
S |
S |
S |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
S |
S |
S |
S |
S |
S |
750 to 999 miles |
38.4 |
2.1 |
S |
S |
S |
S |
1,000 to 1,499 miles |
S |
S |
S |
S |
S |
S |
1,500 to 1,999 miles |
S |
S |
S |
S |
S |
S |
2,000 miles or more |
S |
S |
S |
S |
S |
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, Metropolitan Data,
December 2004.