Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for State of Origin: 2002
Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for State of Origin: 2002
[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]
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 | 5.7 | – | 6.4 | – | 11.7 | – |
Less than 50 miles | 7.7 | 1.4 | 12.1 | 3.5 | 13.1 | 1.2 |
50 to 99 miles | 6.7 | 1.0 | 9.6 | 1.4 | 10.1 | 0.7 |
100 to 249 miles | 8.7 | 1.4 | 9.9 | 1.4 | 11.0 | 2.0 |
250 to 499 miles | 3.6 | 0.7 | 7.5 | 0.9 | 8.8 | 2.1 |
500 to 749 miles | 16.2 | 0.8 | 29.5 | 1.3 | 35.1 | 4.1 |
750 to 999 miles | 8.9 | 0.2 | 21.2 | 0.2 | 26.0 | 1.6 |
1,000 to 1,499 miles | 10.2 | 0.5 | S | S | S | S |
1,500 to 1,999 miles | 25.1 | 0.4 | 25.0 | – | 25.3 | 0.6 |
2,000 miles or more | 24.6 | 0.8 | 9.8 | – | 9.8 | 1.1 |
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 | 5.9 | – | 6.8 | – | 13.2 | – |
Less than 50 miles | 8.2 | 1.6 | 12.7 | 3.8 | 13.8 | 1.4 |
50 to 99 miles | 7.8 | 1.2 | 9.4 | 1.5 | 9.8 | 1.0 |
100 to 249 miles | 10.1 | 1.6 | 11.1 | 1.6 | 12.9 | 2.4 |
250 to 499 miles | 4.9 | 0.8 | 9.7 | 1.0 | 12.1 | 2.1 |
500 to 749 miles | 11.6 | 0.5 | 31.9 | 1.4 | 37.5 | 4.6 |
750 to 999 miles | 8.3 | 0.2 | 23.0 | 0.2 | 28.5 | 1.8 |
1,000 to 1,499 miles | 10.7 | 0.5 | S | S | S | S |
1,500 to 1,999 miles | 30.9 | 0.4 | 26.7 | – | 26.9 | 0.9 |
2,000 miles or more | 31.6 | 0.9 | 11.4 | – | 11.6 | 1.1 |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 5.7 | – | 7.8 | – | 11.6 | – |
Less than 50 miles | 8.4 | 1.5 | 13.1 | 3.3 | 16.8 | 1.7 |
50 to 99 miles | 8.0 | 1.3 | 11.9 | 1.8 | 11.3 | 1.0 |
100 to 249 miles | 11.3 | 1.8 | 7.4 | 1.0 | 7.9 | 1.4 |
250 to 499 miles | 4.9 | 0.8 | 7.5 | 0.8 | 7.3 | 1.8 |
500 to 749 miles | 12.3 | 0.5 | 10.9 | 0.4 | 10.5 | 1.6 |
750 to 999 miles | 7.4 | 0.2 | 12.2 | 0.1 | 12.7 | 1.1 |
1,000 to 1,499 miles | 10.7 | 0.5 | S | S | S | S |
1,500 to 1,999 miles | 32.6 | 0.4 | 17.7 | – | 17.2 | 0.6 |
2,000 miles or more | 34.2 | 1.0 | 12.1 | – | 12.3 | 1.5 |
For-hire truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 7.3 | – | 12.3 | – | 14.6 | – |
Less than 50 miles | 11.6 | 1.1 | 22.1 | 4.0 | 25.0 | 1.3 |
50 to 99 miles | 12.4 | 1.8 | 16.7 | 1.0 | 15.3 | 0.8 |
100 to 249 miles | 15.1 | 2.2 | 9.7 | 1.7 | 9.9 | 1.5 |
250 to 499 miles | 6.2 | 1.3 | 9.6 | 1.7 | 9.0 | 2.2 |
500 to 749 miles | 13.8 | 0.9 | 12.6 | 0.8 | 11.9 | 2.0 |
750 to 999 miles | 8.6 | 0.4 | 13.6 | 0.3 | 14.1 | 1.5 |
1,000 to 1,499 miles | 11.3 | 0.8 | S | S | S | S |
1,500 to 1,999 miles | 32.7 | 0.7 | 18.0 | 0.1 | 17.5 | 0.8 |
2,000 miles or more | 34.2 | 1.5 | 12.6 | 0.2 | 12.8 | 1.9 |
Private truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 5.7 | – | 9.3 | – | 9.0 | – |
Less than 50 miles | 10.2 | 3.3 | 11.9 | 3.3 | 12.5 | 3.4 |
50 to 99 miles | 6.5 | 1.6 | 19.8 | 2.7 | 19.1 | 3.0 |
100 to 249 miles | 8.4 | 1.1 | 13.1 | 1.2 | 14.4 | 2.2 |
250 to 499 miles | 18.0 | 0.9 | 17.1 | 0.3 | 17.0 | 1.7 |
500 to 749 miles | 32.1 | 0.6 | 27.5 | 0.2 | 29.7 | 1.5 |
750 to 999 miles | 27.5 | 0.1 | 23.5 | – | 24.1 | 0.6 |
1,000 to 1,499 miles | 27.7 | – | 26.2 | – | 25.9 | 0.4 |
1,500 to 1,999 miles | S | S | S | S | S | S |
2,000 miles or more | 39.7 | – | 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 | 8.6 | – | 20.9 | – | 29.3 | – |
Less than 50 miles | 14.4 | 2.4 | 14.6 | 6.4 | 22.1 | 1.5 |
50 to 99 miles | 18.0 | 0.9 | 28.2 | 2.7 | 27.0 | 1.4 |
100 to 249 miles | 20.7 | 5.5 | 20.9 | 5.6 | 20.2 | 5.8 |
250 to 499 miles | 14.1 | 2.2 | 28.4 | 2.7 | 31.5 | 4.5 |
500 to 749 miles | 35.9 | 2.7 | S | S | S | S |
750 to 999 miles | 19.9 | 1.3 | S | S | S | S |
1,000 to 1,499 miles | 26.0 | 2.0 | 40.0 | 0.6 | 41.2 | 2.3 |
1,500 to 1,999 miles | 41.7 | 0.6 | S | S | S | S |
2,000 miles or more | 30.4 | 0.9 | 26.5 | 0.3 | 26.8 | 1.7 |
Water
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 | 48.0 | – | S | S |
Less than 50 miles | S | S | 34.3 | 11.8 | 43.8 | 16.9 |
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 | S | S | S | S | S | S |
1,000 to 1,499 miles | 45.9 | 12.6 | 44.8 | 10.5 | 44.7 | 13.8 |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | – | – | – | – | – | – |
Shallow draft
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 | 48.0 | – | S | S |
Less than 50 miles | S | S | 34.4 | 11.8 | 43.8 | 16.9 |
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 | S | S | S | S | S | S |
1,000 to 1,499 miles | 45.9 | 13.0 | 44.8 | 10.5 | 44.7 | 13.8 |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | – | – | – | – | – | – |
Great Lakes
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 | – | – | – | – | – | – |
Deep draft
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
Air (including truck and air)
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 40.7 | – | 27.5 | – | 22.9 | – |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | S | S | 37.9 | 1.7 | 43.0 | 0.4 |
100 to 249 miles | S | S | S | S | S | S |
250 to 499 miles | 22.4 | 5.3 | 49.3 | 6.7 | 30.0 | 3.1 |
500 to 749 miles | 30.9 | 1.0 | S | S | S | S |
750 to 999 miles | S | S | S | S | S | S |
1,000 to 1,499 miles | 35.0 | 2.7 | 37.2 | 4.2 | 35.2 | 6.5 |
1,500 to 1,999 miles | 49.2 | 2.5 | 26.9 | 2.2 | 26.5 | 3.4 |
2,000 miles or more | 32.1 | 6.6 | 35.6 | 6.6 | 35.1 | 8.1 |
Pipeline
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 32.5 | – | 32.1 | – | S | S |
Less than 50 miles | 34.1 | 10.6 | 33.7 | 10.7 | 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 |
750 to 999 miles | – | – | – | – | S | S |
1,000 to 1,499 miles | – | – | – | – | S | S |
1,500 to 1,999 miles | – | – | – | – | S | S |
2,000 miles or more | – | – | – | – | 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 | 13.1 | – | 34.1 | – | 34.9 | – |
Less than 50 miles | 17.9 | 1.0 | S | S | S | S |
50 to 99 miles | 13.2 | 1.0 | 18.6 | 2.0 | 21.5 | 0.3 |
100 to 249 miles | 11.5 | 1.2 | 35.5 | 3.2 | 37.9 | 3.3 |
250 to 499 miles | 13.6 | 1.7 | 39.1 | 7.7 | 39.7 | 11.1 |
500 to 749 miles | 34.8 | 3.3 | S | S | S | S |
750 to 999 miles | 12.3 | 1.1 | 43.8 | 3.1 | 46.0 | 5.9 |
1,000 to 1,499 miles | 21.2 | 0.8 | 25.3 | 1.2 | 25.3 | 2.0 |
1,500 to 1,999 miles | 16.8 | 0.4 | 19.0 | 0.9 | 19.3 | 1.7 |
2,000 miles or more | 15.9 | 0.8 | 18.2 | 2.8 | 18.6 | 7.7 |
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 | 13.3 | – | 16.1 | – | 17.9 | – |
Less than 50 miles | 18.0 | 1.1 | 17.7 | 1.2 | 19.1 | 0.1 |
50 to 99 miles | 13.2 | 1.0 | 18.6 | 2.5 | 21.5 | 0.7 |
100 to 249 miles | 11.6 | 1.2 | 17.2 | 1.0 | 16.9 | 0.8 |
250 to 499 miles | 13.9 | 1.7 | 25.4 | 1.4 | 25.1 | 0.9 |
500 to 749 miles | 35.3 | 3.3 | 33.2 | 2.2 | 34.9 | 2.1 |
750 to 999 miles | 13.2 | 1.2 | 11.5 | 1.0 | 10.7 | 1.5 |
1,000 to 1,499 miles | 21.2 | 0.8 | 26.4 | 1.0 | 27.1 | 1.6 |
1,500 to 1,999 miles | 17.1 | 0.4 | 17.6 | 0.3 | 18.9 | 0.6 |
2,000 miles or more | 17.1 | 0.9 | 19.3 | 0.9 | 18.8 | 2.6 |
Truck and rail
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 | – | 11.8 | – | 18.5 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | S | S | S | S | S | S |
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 | S | S | S | S | S | S |
1,000 to 1,499 miles | 33.0 | 5.1 | 33.3 | 5.2 | 32.7 | 9.9 |
1,500 to 1,999 miles | S | S | S | S | S | S |
2,000 miles or more | 43.8 | 10.8 | 27.0 | 9.9 | 27.4 | 10.2 |
Truck and water
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 | S | S | S | S | S | S |
1,000 to 1,499 miles | – | – | – | – | – | – |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | 27.8 | 14.3 | S | S | S | S |
Rail and water
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 41.3 | – | 40.1 | – | 42.4 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | 38.9 | 4.0 | 39.5 | 4.4 | 39.4 | 3.4 |
250 to 499 miles | 41.1 | 7.9 | 41.1 | 7.9 | 40.6 | 8.2 |
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 | – | – | – | – | – | – |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | 19.8 | – | 23.8 | – | 16.0 | – |
Less than 50 miles | 32.8 | 8.6 | 43.0 | 10.0 | S | S |
50 to 99 miles | 36.5 | 3.9 | 41.1 | 7.7 | 39.4 | 7.5 |
100 to 249 miles | 40.7 | 3.1 | S | S | S | S |
250 to 499 miles | 25.1 | 1.6 | 24.1 | 1.3 | 24.9 | 3.3 |
500 to 749 miles | 49.6 | 5.5 | 33.5 | 1.3 | 32.6 | 1.7 |
750 to 999 miles | 47.5 | 2.6 | 49.7 | 1.6 | 48.2 | 6.4 |
1,000 to 1,499 miles | 49.8 | 2.3 | S | S | S | S |
1,500 to 1,999 miles | S | S | S | S | S | S |
2,000 miles or more | 48.6 | 0.4 | 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, Individual State Data, December 2004.