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]
Excel | CSV
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 |
8.2 |
– |
27.5 |
– |
24.2 |
– |
Less than 50 miles |
16.5 |
5.0 |
26.0 |
4.0 |
21.9 |
3.1 |
50 to 99 miles |
19.6 |
1.0 |
S |
S |
S |
S |
100 to 249 miles |
14.7 |
3.4 |
S |
S |
S |
S |
250 to 499 miles |
22.3 |
0.6 |
40.8 |
0.5 |
43.2 |
2.2 |
500 to 749 miles |
42.0 |
2.2 |
25.6 |
0.3 |
33.1 |
2.5 |
750 to 999 miles |
32.4 |
3.8 |
19.9 |
0.5 |
19.0 |
3.5 |
1,000 to 1,499 miles |
16.8 |
2.4 |
17.1 |
0.4 |
16.4 |
4.6 |
1,500 to 1,999 miles |
26.8 |
1.3 |
18.4 |
0.2 |
17.5 |
2.0 |
2,000 miles or more |
S |
S |
S |
S |
S |
S |
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 |
– |
27.8 |
– |
24.6 |
– |
Less than 50 miles |
17.9 |
5.4 |
26.2 |
4.0 |
22.1 |
3.2 |
50 to 99 miles |
23.7 |
1.2 |
S |
S |
S |
S |
100 to 249 miles |
18.6 |
2.2 |
S |
S |
S |
S |
250 to 499 miles |
24.1 |
0.7 |
38.6 |
0.4 |
42.7 |
2.0 |
500 to 749 miles |
S |
S |
26.6 |
0.3 |
34.2 |
2.6 |
750 to 999 miles |
31.5 |
2.0 |
22.7 |
0.5 |
21.6 |
3.5 |
1,000 to 1,499 miles |
19.8 |
3.4 |
18.4 |
0.4 |
17.5 |
4.7 |
1,500 to 1,999 miles |
32.8 |
1.3 |
19.1 |
0.2 |
18.1 |
2.0 |
2,000 miles or more |
S |
S |
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 |
10.7 |
– |
27.9 |
– |
25.6 |
– |
Less than 50 miles |
17.9 |
5.1 |
26.2 |
4.0 |
22.1 |
3.5 |
50 to 99 miles |
23.7 |
1.5 |
S |
S |
S |
S |
100 to 249 miles |
19.4 |
2.4 |
S |
S |
S |
S |
250 to 499 miles |
24.5 |
0.8 |
38.6 |
0.4 |
42.7 |
2.0 |
500 to 749 miles |
S |
S |
22.0 |
0.2 |
22.0 |
1.6 |
750 to 999 miles |
25.3 |
1.3 |
22.7 |
0.5 |
21.8 |
3.6 |
1,000 to 1,499 miles |
22.1 |
2.7 |
19.1 |
0.4 |
19.0 |
4.6 |
1,500 to 1,999 miles |
28.8 |
0.3 |
20.1 |
0.2 |
19.1 |
2.1 |
2,000 miles or more |
– |
– |
– |
– |
– |
– |
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 |
– |
– |
– |
– |
– |
– |
50 to 99 miles |
– |
– |
– |
– |
– |
– |
100 to 249 miles |
S |
S |
S |
S |
S |
S |
250 to 499 miles |
– |
– |
– |
– |
– |
– |
500 to 749 miles |
– |
– |
– |
– |
– |
– |
750 to 999 miles |
– |
– |
– |
– |
– |
– |
1,000 to 1,499 miles |
S |
S |
S |
S |
S |
S |
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 |
26.7 |
– |
47.1 |
– |
45.8 |
– |
Less than 50 miles |
– |
– |
– |
– |
– |
– |
50 to 99 miles |
– |
– |
– |
– |
– |
– |
100 to 249 miles |
35.5 |
4.0 |
S |
S |
45.3 |
0.2 |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
S |
S |
S |
S |
S |
S |
750 to 999 miles |
42.4 |
5.6 |
38.7 |
4.3 |
43.2 |
3.6 |
1,000 to 1,499 miles |
36.0 |
9.0 |
28.1 |
13.6 |
32.4 |
12.9 |
1,500 to 1,999 miles |
48.0 |
6.1 |
43.6 |
5.7 |
45.9 |
6.4 |
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 |
26.0 |
– |
37.5 |
– |
30.8 |
– |
Less than 50 miles |
37.3 |
1.1 |
S |
S |
S |
S |
50 to 99 miles |
S |
S |
47.9 |
1.6 |
46.8 |
0.5 |
100 to 249 miles |
42.0 |
6.8 |
47.4 |
4.2 |
47.8 |
1.6 |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
41.0 |
2.7 |
44.2 |
1.2 |
40.1 |
1.1 |
750 to 999 miles |
49.4 |
6.2 |
S |
S |
S |
S |
1,000 to 1,499 miles |
23.6 |
6.9 |
26.0 |
8.4 |
26.2 |
6.5 |
1,500 to 1,999 miles |
39.9 |
2.2 |
39.9 |
1.5 |
39.1 |
3.6 |
2,000 miles or more |
S |
S |
45.0 |
– |
45.9 |
0.3 |
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 |
26.0 |
– |
36.6 |
– |
30.9 |
– |
Less than 50 miles |
37.3 |
1.1 |
S |
S |
S |
S |
50 to 99 miles |
S |
S |
47.9 |
2.1 |
46.8 |
0.5 |
100 to 249 miles |
42.1 |
6.8 |
48.2 |
4.2 |
48.6 |
1.6 |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
41.0 |
2.7 |
44.2 |
1.1 |
40.1 |
1.1 |
750 to 999 miles |
49.4 |
6.2 |
S |
S |
S |
S |
1,000 to 1,499 miles |
23.6 |
6.9 |
26.0 |
7.8 |
26.2 |
6.4 |
1,500 to 1,999 miles |
39.9 |
2.2 |
39.9 |
1.4 |
39.1 |
3.6 |
2,000 miles or more |
S |
S |
45.0 |
– |
45.9 |
0.3 |
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 |
S |
S |
S |
S |
S |
S |
50 to 99 miles |
– |
– |
– |
– |
– |
– |
100 to 249 miles |
S |
S |
S |
S |
S |
S |
250 to 499 miles |
– |
– |
– |
– |
– |
– |
500 to 749 miles |
– |
– |
– |
– |
– |
– |
750 to 999 miles |
– |
– |
– |
– |
– |
– |
1,000 to 1,499 miles |
– |
– |
– |
– |
– |
– |
1,500 to 1,999 miles |
– |
– |
– |
– |
– |
– |
2,000 miles or more |
– |
– |
– |
– |
– |
– |
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 |
35.2 |
– |
29.8 |
– |
S |
S |
Less than 50 miles |
33.1 |
10.8 |
40.6 |
11.0 |
45.7 |
12.0 |
50 to 99 miles |
45.9 |
6.9 |
44.4 |
4.7 |
42.2 |
4.7 |
100 to 249 miles |
41.1 |
7.4 |
39.4 |
3.9 |
39.1 |
7.3 |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
500 to 749 miles |
S |
S |
S |
S |
S |
S |
750 to 999 miles |
S |
S |
S |
S |
S |
S |
1,000 to 1,499 miles |
S |
S |
37.5 |
0.5 |
38.1 |
8.7 |
1,500 to 1,999 miles |
S |
S |
S |
S |
S |
S |
2,000 miles or more |
– |
– |
– |
– |
– |
– |
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.