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 | 7.3 | – | 9.6 | – | 19.6 | – |
Less than 50 miles | 11.5 | 2.0 | 17.9 | 6.4 | 28.4 | 1.2 |
50 to 99 miles | 12.7 | 1.2 | 28.3 | 2.2 | 27.5 | 0.7 |
100 to 249 miles | 13.6 | 1.7 | 21.2 | 1.2 | 23.1 | 1.1 |
250 to 499 miles | 11.4 | 1.3 | 22.4 | 2.2 | 20.9 | 2.2 |
500 to 749 miles | 9.5 | 1.1 | 12.1 | 0.4 | 12.0 | 1.9 |
750 to 999 miles | 12.9 | 1.1 | 30.1 | 2.5 | 30.7 | 4.9 |
1,000 to 1,499 miles | 12.7 | 1.2 | 32.6 | 2.6 | 31.7 | 4.4 |
1,500 to 1,999 miles | 32.2 | – | 45.9 | – | 46.3 | – |
2,000 miles or more | 35.8 | – | 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 | 8.1 | – | 9.3 | – | 19.8 | – |
Less than 50 miles | 12.0 | 2.1 | 17.4 | 6.4 | 28.3 | 1.2 |
50 to 99 miles | 16.2 | 1.3 | 28.5 | 2.2 | 27.8 | 0.7 |
100 to 249 miles | 11.0 | 1.4 | 21.4 | 1.2 | 23.4 | 1.1 |
250 to 499 miles | 12.9 | 1.4 | 22.6 | 2.2 | 21.1 | 2.3 |
500 to 749 miles | 7.2 | 1.1 | 11.8 | 0.4 | 11.7 | 1.9 |
750 to 999 miles | 14.0 | 1.2 | 30.2 | 2.5 | 30.8 | 4.9 |
1,000 to 1,499 miles | 14.3 | 1.2 | 32.8 | 2.6 | 32.0 | 4.4 |
1,500 to 1,999 miles | 39.0 | – | 49.6 | – | S | S |
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 | 8.2 | – | 9.7 | – | 9.5 | – |
Less than 50 miles | 13.4 | 2.3 | 17.0 | 5.4 | 20.0 | 1.2 |
50 to 99 miles | 16.3 | 1.5 | 28.5 | 2.9 | 27.7 | 1.2 |
100 to 249 miles | 11.2 | 1.4 | 23.2 | 1.8 | 25.6 | 1.3 |
250 to 499 miles | 13.0 | 1.6 | 33.0 | 3.0 | 31.4 | 4.0 |
500 to 749 miles | 7.4 | 1.1 | 11.7 | 0.3 | 11.5 | 1.3 |
750 to 999 miles | 15.3 | 1.1 | 13.4 | 0.4 | 13.5 | 2.5 |
1,000 to 1,499 miles | 12.2 | 0.9 | 12.4 | 0.6 | 12.2 | 3.3 |
1,500 to 1,999 miles | 38.9 | – | 49.6 | – | S | S |
2,000 miles or more | – | – | – | – | – | – |
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 | 10.8 | – | 15.8 | – | 12.6 | – |
Less than 50 miles | 32.7 | 2.9 | 36.1 | 8.2 | 36.8 | 1.1 |
50 to 99 miles | 27.7 | 1.8 | 40.9 | 5.7 | 40.1 | 1.5 |
100 to 249 miles | 12.8 | 1.3 | 28.8 | 2.5 | 31.7 | 1.1 |
250 to 499 miles | 14.5 | 1.7 | 37.1 | 5.1 | 34.7 | 4.5 |
500 to 749 miles | 7.2 | 1.7 | 12.3 | 1.7 | 12.7 | 1.5 |
750 to 999 miles | 15.5 | 1.1 | 14.7 | 0.9 | 14.7 | 2.4 |
1,000 to 1,499 miles | 10.8 | 1.6 | 14.2 | 1.9 | 14.4 | 2.6 |
1,500 to 1,999 miles | 38.9 | – | 49.6 | – | S | S |
2,000 miles or more | – | – | – | – | – | – |
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 | 8.5 | – | 16.1 | – | 16.2 | – |
Less than 50 miles | 8.4 | 3.1 | 19.4 | 5.0 | 20.0 | 6.6 |
50 to 99 miles | 13.8 | 1.4 | 33.8 | 3.7 | 38.3 | 4.6 |
100 to 249 miles | 16.7 | 2.6 | 24.8 | 1.7 | 23.8 | 2.7 |
250 to 499 miles | 21.5 | 1.0 | 28.5 | 0.5 | 25.9 | 3.3 |
500 to 749 miles | 39.5 | 1.1 | 46.1 | 0.2 | 43.7 | 2.5 |
750 to 999 miles | 28.9 | 0.7 | 38.6 | 0.2 | 37.3 | 3.1 |
1,000 to 1,499 miles | S | S | S | S | S | S |
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 | 25.6 | – | 28.4 | – | 30.4 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 49.2 | 3.1 | S | S | S | S |
250 to 499 miles | 27.8 | 6.8 | 28.5 | 8.9 | 27.3 | 6.7 |
500 to 749 miles | 35.0 | 2.3 | 29.4 | 3.2 | 27.8 | 3.3 |
750 to 999 miles | 41.9 | 6.6 | 40.1 | 7.4 | 39.6 | 8.4 |
1,000 to 1,499 miles | 47.8 | 7.7 | 49.6 | 6.6 | 46.7 | 8.7 |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | – | – | – | – | – | – |
Water
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | 26.7 | – | 27.4 | – | 29.3 | – |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | S | S | S | S | 43.7 | 1.8 |
250 to 499 miles | 46.2 | 11.0 | 43.3 | 9.9 | 41.4 | 9.2 |
500 to 749 miles | 44.4 | 6.7 | 43.8 | 8.5 | 37.4 | 6.2 |
750 to 999 miles | 42.5 | 5.0 | 37.0 | 3.8 | 36.1 | 3.6 |
1,000 to 1,499 miles | 31.9 | 11.1 | 48.0 | 9.5 | 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 |
Pipeline
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 |
100 to 249 miles | – | – | – | – | S | S |
250 to 499 miles | – | – | – | – | 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 | 24.6 | – | 24.6 | – | 23.3 | – |
Less than 50 miles | 44.8 | 2.4 | 22.1 | 1.5 | 18.6 | – |
50 to 99 miles | 41.4 | 2.5 | 20.1 | 1.1 | 20.4 | 0.2 |
100 to 249 miles | 32.3 | 3.6 | 27.7 | 1.6 | 31.8 | 1.0 |
250 to 499 miles | 19.0 | 1.7 | 44.3 | 2.6 | 43.2 | 1.8 |
500 to 749 miles | 41.3 | 2.3 | 32.5 | 1.9 | 31.1 | 2.2 |
750 to 999 miles | 15.5 | 2.6 | 20.6 | 2.1 | 20.6 | 3.5 |
1,000 to 1,499 miles | 13.5 | 3.7 | 26.4 | 4.4 | 28.7 | 6.8 |
1,500 to 1,999 miles | 35.3 | – | 41.8 | – | 41.6 | – |
2,000 miles or more | 37.4 | – | S | S | S | S |
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 | 24.6 | – | 27.2 | – | 27.4 | – |
Less than 50 miles | 44.8 | 2.5 | 22.1 | 1.9 | 18.6 | 0.1 |
50 to 99 miles | 41.4 | 2.7 | 21.6 | 1.4 | 21.9 | 0.3 |
100 to 249 miles | 32.5 | 3.8 | 28.4 | 1.6 | 32.6 | 0.8 |
250 to 499 miles | 19.0 | 1.7 | 44.3 | 2.6 | 43.2 | 1.6 |
500 to 749 miles | 41.3 | 2.2 | 32.5 | 1.7 | 31.1 | 1.7 |
750 to 999 miles | 15.5 | 2.6 | 20.6 | 2.0 | 20.6 | 3.0 |
1,000 to 1,499 miles | 15.7 | 4.1 | 29.3 | 2.7 | 28.6 | 4.3 |
1,500 to 1,999 miles | 35.3 | – | 41.8 | – | 41.6 | – |
2,000 miles or more | 47.4 | – | S | S | S | S |
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 | S | S | S | S | S | S |
Less than 50 miles | – | – | – | – | – | – |
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 | S | S | S | S | S | S |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | 21.4 | – | S | S | 24.2 | – |
Less than 50 miles | 19.3 | 7.4 | S | S | 49.8 | 2.9 |
50 to 99 miles | 34.7 | 5.6 | 39.5 | 4.8 | 43.4 | 1.8 |
100 to 249 miles | S | S | 40.2 | 3.5 | 39.7 | 4.6 |
250 to 499 miles | S | S | 49.7 | 1.6 | 48.4 | 6.3 |
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 | 38.4 | 5.5 | 39.2 | 12.4 |
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, Individual State Data, December 2004.