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 |
12.7 |
– |
14.2 |
– |
13.9 |
– |
Less than 50 miles |
15.3 |
5.2 |
20.2 |
6.9 |
20.8 |
4.7 |
50 to 99 miles |
29.0 |
2.7 |
47.0 |
4.3 |
S |
S |
100 to 249 miles |
S |
S |
49.2 |
1.0 |
S |
S |
250 to 499 miles |
37.9 |
0.8 |
43.2 |
7.2 |
43.1 |
13.3 |
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 |
37.0 |
3.6 |
27.5 |
1.2 |
27.3 |
13.8 |
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 |
14.3 |
– |
18.8 |
– |
16.4 |
– |
Less than 50 miles |
15.1 |
3.6 |
20.3 |
2.0 |
20.7 |
9.5 |
50 to 99 miles |
39.5 |
2.8 |
28.9 |
1.6 |
28.5 |
6.4 |
100 to 249 miles |
S |
S |
S |
S |
S |
S |
250 to 499 miles |
S |
S |
S |
S |
S |
S |
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 |
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 |
14.7 |
– |
19.2 |
– |
15.5 |
– |
Less than 50 miles |
15.1 |
2.9 |
20.3 |
1.6 |
20.7 |
7.2 |
50 to 99 miles |
39.4 |
2.9 |
28.9 |
1.6 |
28.5 |
7.2 |
100 to 249 miles |
– |
– |
– |
– |
– |
– |
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 |
– |
– |
– |
– |
– |
– |
Rail
Distance Shipped |
Value |
Tons |
Ton-miles |
---|
CV |
Std. error of percent |
CV |
Std. error of percent |
CV |
Std. error of percent |
---|
All distances |
– |
– |
– |
– |
– |
– |
Less than 50 miles |
– |
– |
– |
– |
– |
– |
50 to 99 miles |
– |
– |
– |
– |
– |
– |
100 to 249 miles |
– |
– |
– |
– |
– |
– |
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 |
– |
– |
– |
– |
– |
– |
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 |
44.6 |
– |
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 |
– |
– |
– |
– |
– |
– |
750 to 999 miles |
– |
– |
– |
– |
– |
– |
1,000 to 1,499 miles |
– |
– |
– |
– |
– |
– |
1,500 to 1,999 miles |
– |
– |
– |
– |
– |
– |
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 |
23.6 |
– |
26.3 |
– |
14.9 |
– |
Less than 50 miles |
S |
S |
49.8 |
0.7 |
S |
S |
50 to 99 miles |
37.5 |
8.9 |
S |
S |
S |
S |
100 to 249 miles |
S |
S |
35.5 |
2.6 |
38.0 |
0.8 |
250 to 499 miles |
39.8 |
5.3 |
43.3 |
17.0 |
43.2 |
14.4 |
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 |
37.2 |
11.6 |
28.6 |
14.2 |
28.2 |
15.0 |
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 |
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 |
– |
– |
– |
– |
– |
– |
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 |
S |
S |
S |
S |
S |
S |
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 |
29.6 |
– |
26.3 |
– |
15.0 |
– |
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 |
35.5 |
2.6 |
38.1 |
0.8 |
250 to 499 miles |
39.8 |
12.9 |
43.3 |
17.0 |
43.2 |
14.6 |
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 |
45.1 |
14.2 |
29.0 |
14.3 |
28.5 |
15.2 |
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 |
48.5 |
– |
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 |
– |
– |
– |
– |
– |
– |
750 to 999 miles |
– |
– |
– |
– |
– |
– |
1,000 to 1,499 miles |
– |
– |
– |
– |
– |
– |
1,500 to 1,999 miles |
– |
– |
– |
– |
– |
– |
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.