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 | 5.2 | – | 9.1 | – | 14.0 | – |
Less than 50 miles | 7.0 | 1.7 | 14.2 | 3.8 | 16.6 | 0.4 |
50 to 99 miles | 5.7 | 0.7 | 30.5 | 2.8 | 36.2 | 1.9 |
100 to 249 miles | 6.6 | 1.0 | 13.4 | 1.7 | 13.2 | 1.4 |
250 to 499 miles | 9.6 | 0.7 | 11.6 | 1.4 | 13.5 | 2.4 |
500 to 749 miles | 8.6 | 0.6 | 12.5 | 0.7 | 12.1 | 2.1 |
750 to 999 miles | 10.4 | 0.8 | 33.1 | 2.8 | 38.1 | 5.3 |
1,000 to 1,499 miles | 10.8 | 0.5 | 15.8 | 0.4 | 16.2 | 1.5 |
1,500 to 1,999 miles | 13.7 | 0.5 | 8.4 | 0.2 | 8.5 | 1.4 |
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 | 3.9 | – | 9.1 | – | 15.1 | – |
Less than 50 miles | 6.8 | 1.6 | 14.2 | 4.0 | 15.0 | 0.4 |
50 to 99 miles | 5.9 | 0.8 | 30.9 | 2.9 | 37.3 | 2.0 |
100 to 249 miles | 6.8 | 1.0 | 14.1 | 1.7 | 13.6 | 1.7 |
250 to 499 miles | 8.1 | 0.8 | 11.9 | 1.5 | 13.7 | 2.6 |
500 to 749 miles | 7.9 | 0.6 | 13.0 | 0.6 | 12.6 | 2.0 |
750 to 999 miles | 9.3 | 0.7 | 34.9 | 3.0 | 39.8 | 5.6 |
1,000 to 1,499 miles | 10.5 | 0.5 | 14.7 | 0.3 | 15.1 | 1.5 |
1,500 to 1,999 miles | 12.0 | 0.4 | 9.7 | 0.2 | 10.0 | 1.3 |
2,000 miles or more | 44.8 | – | 42.4 | – | 45.8 | – |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 4.2 | – | 11.3 | – | 7.8 | – |
Less than 50 miles | 7.0 | 1.7 | 15.7 | 4.4 | 17.2 | 0.6 |
50 to 99 miles | 5.8 | 0.8 | 25.2 | 1.7 | 24.0 | 0.9 |
100 to 249 miles | 6.9 | 0.9 | 17.2 | 1.8 | 17.6 | 1.7 |
250 to 499 miles | 8.8 | 0.8 | 15.0 | 1.5 | 14.0 | 2.1 |
500 to 749 miles | 8.4 | 0.6 | 14.4 | 0.6 | 13.9 | 1.7 |
750 to 999 miles | 10.0 | 0.6 | 13.9 | 0.7 | 13.5 | 2.0 |
1,000 to 1,499 miles | 11.4 | 0.5 | 18.3 | 0.4 | 18.1 | 1.7 |
1,500 to 1,999 miles | 13.4 | 0.4 | 15.7 | 0.2 | 15.7 | 1.5 |
2,000 miles or more | S | S | S | S | S | S |
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 | 6.7 | – | 17.8 | – | 7.9 | – |
Less than 50 miles | 9.1 | 1.0 | 33.9 | 5.5 | 21.5 | 0.5 |
50 to 99 miles | 9.0 | 0.7 | 33.4 | 1.8 | 28.0 | 0.9 |
100 to 249 miles | 8.0 | 1.0 | 9.2 | 2.1 | 8.3 | 1.0 |
250 to 499 miles | 11.3 | 1.2 | 13.9 | 2.3 | 13.6 | 2.0 |
500 to 749 miles | 8.2 | 0.6 | 13.9 | 0.9 | 13.2 | 1.6 |
750 to 999 miles | 12.9 | 0.8 | 16.9 | 1.1 | 16.4 | 2.3 |
1,000 to 1,499 miles | 12.5 | 0.9 | 21.0 | 0.6 | 20.7 | 1.8 |
1,500 to 1,999 miles | 15.1 | 0.8 | 14.1 | 0.4 | 14.1 | 1.8 |
2,000 miles or more | S | S | S | S | S | S |
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 | 4.8 | – | 14.1 | – | 19.7 | – |
Less than 50 miles | 7.0 | 2.4 | 16.1 | 5.0 | 18.9 | 1.4 |
50 to 99 miles | 9.1 | 1.5 | 22.6 | 2.2 | 24.2 | 1.3 |
100 to 249 miles | 9.2 | 1.3 | 27.3 | 2.1 | 29.5 | 3.3 |
250 to 499 miles | 9.1 | 0.6 | 35.1 | 1.8 | 33.3 | 4.0 |
500 to 749 miles | 18.2 | 0.7 | 27.4 | 0.3 | 28.3 | 2.1 |
750 to 999 miles | 17.3 | 0.5 | 20.0 | 0.2 | 20.1 | 2.0 |
1,000 to 1,499 miles | 30.7 | 0.4 | 26.3 | 0.1 | 25.7 | 0.9 |
1,500 to 1,999 miles | 22.8 | 0.1 | 42.0 | – | 42.7 | 1.4 |
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 | 26.5 | – | 25.0 | – | 15.5 | – |
Less than 50 miles | 29.6 | 1.8 | S | S | 44.5 | 0.2 |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 42.2 | 1.5 | 30.6 | 4.8 | 32.3 | 2.1 |
250 to 499 miles | 25.9 | 4.7 | 29.7 | 6.1 | 30.2 | 6.0 |
500 to 749 miles | 19.2 | 6.3 | 23.9 | 3.4 | 24.7 | 5.4 |
750 to 999 miles | 31.9 | 7.4 | 28.1 | 8.6 | 30.4 | 8.5 |
1,000 to 1,499 miles | 39.5 | 2.5 | 38.4 | 1.2 | 39.0 | 1.7 |
1,500 to 1,999 miles | 50.0 | 5.3 | 30.3 | 1.1 | 30.2 | 3.1 |
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 | 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 | 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 | – | – | – | – | – | – |
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 | 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 | S | S | S | S | S | S |
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 | 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 | – | – | – | – | – | – |
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 | 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 | – | – | – | – | – | – |
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 | 15.7 | – | 41.6 | – | 37.8 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | S | S | 29.3 | 0.7 | 29.4 | 0.4 |
100 to 249 miles | 35.9 | 3.2 | 34.0 | 5.5 | 34.9 | 4.0 |
250 to 499 miles | 27.2 | 7.8 | S | S | S | S |
500 to 749 miles | 29.2 | 4.6 | 26.9 | 5.8 | 26.4 | 5.7 |
750 to 999 miles | 34.5 | 2.5 | 49.2 | 2.5 | 46.8 | 2.4 |
1,000 to 1,499 miles | 28.0 | 1.9 | 42.9 | 2.9 | 44.2 | 3.3 |
1,500 to 1,999 miles | 23.4 | 2.3 | 29.8 | 6.5 | 29.6 | 8.0 |
2,000 miles or more | 45.3 | 0.1 | 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 |
50 to 99 miles | – | – | – | – | S | S |
100 to 249 miles | S | S | S | S | 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 | 18.6 | – | 13.9 | – | 16.9 | – |
Less than 50 miles | 25.5 | 1.0 | 44.1 | 2.1 | S | S |
50 to 99 miles | 18.2 | 0.7 | 19.0 | 1.0 | 22.5 | 0.1 |
100 to 249 miles | 17.9 | 1.5 | 18.3 | 0.7 | 17.9 | 0.2 |
250 to 499 miles | 28.2 | 1.5 | 34.9 | 2.3 | 34.6 | 1.0 |
500 to 749 miles | 17.2 | 1.4 | 25.1 | 6.1 | 25.3 | 4.7 |
750 to 999 miles | 21.6 | 2.2 | 22.7 | 3.1 | 22.7 | 3.1 |
1,000 to 1,499 miles | 23.9 | 0.7 | 29.9 | 1.2 | 33.1 | 1.9 |
1,500 to 1,999 miles | 23.6 | 0.8 | 23.9 | 3.8 | 24.5 | 5.1 |
2,000 miles or more | S | S | 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 | 18.3 | – | 16.8 | – | 20.0 | – |
Less than 50 miles | 25.9 | 0.9 | 14.4 | 1.6 | 20.3 | – |
50 to 99 miles | 19.1 | 0.5 | 20.1 | 1.0 | 25.7 | 0.2 |
100 to 249 miles | 18.9 | 1.8 | 20.9 | 2.2 | 20.0 | 0.9 |
250 to 499 miles | 21.4 | 1.2 | 21.8 | 1.6 | 22.8 | 0.9 |
500 to 749 miles | 18.0 | 0.9 | 17.7 | 0.8 | 17.7 | 1.0 |
750 to 999 miles | 26.3 | 2.6 | 23.0 | 2.5 | 22.3 | 1.9 |
1,000 to 1,499 miles | 22.4 | 0.7 | 26.6 | 1.2 | 27.3 | 1.9 |
1,500 to 1,999 miles | 19.6 | 1.1 | 26.7 | 1.3 | 26.7 | 2.5 |
2,000 miles or more | 33.0 | – | 39.6 | 0.2 | 41.6 | 0.8 |
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 | 24.2 | – | 25.5 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | S | S | S | S | S | S |
250 to 499 miles | S | S | S | S | S | S |
500 to 749 miles | S | S | 33.0 | 9.2 | 32.9 | 7.3 |
750 to 999 miles | S | S | 36.9 | 5.0 | 36.2 | 4.1 |
1,000 to 1,499 miles | S | S | S | S | S | S |
1,500 to 1,999 miles | S | S | 29.0 | 8.6 | 29.1 | 8.8 |
2,000 miles or more | S | S | S | S | S | S |
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 | 46.9 | – | 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 | 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 | 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 | 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 |
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 | 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 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 | 23.4 | – | 36.9 | – | 30.2 | – |
Less than 50 miles | 30.2 | 6.1 | S | S | S | S |
50 to 99 miles | 38.9 | 1.9 | 37.4 | 6.7 | 36.5 | 3.7 |
100 to 249 miles | 43.7 | 2.8 | 48.7 | 4.4 | S | S |
250 to 499 miles | S | S | 43.6 | 2.3 | 45.9 | 2.2 |
500 to 749 miles | 31.4 | 3.1 | S | S | S | S |
750 to 999 miles | S | S | 39.2 | 5.5 | 38.6 | 6.6 |
1,000 to 1,499 miles | 47.4 | 2.4 | S | S | S | S |
1,500 to 1,999 miles | 48.4 | 4.7 | 29.4 | 1.6 | 29.2 | 5.1 |
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, Individual State Data, December 2004.