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 | 8.3 | – | 10.4 | – | 11.0 | – |
Less than 50 miles | 11.2 | 1.6 | 19.7 | 5.5 | 19.9 | 1.0 |
50 to 99 miles | 13.6 | 1.0 | 13.1 | 1.0 | 13.2 | 0.6 |
100 to 249 miles | 13.2 | 1.6 | 14.5 | 3.2 | 13.9 | 2.0 |
250 to 499 miles | 11.5 | 1.4 | 10.4 | 1.5 | 11.7 | 1.5 |
500 to 749 miles | 15.1 | 1.7 | 16.6 | 1.2 | 17.1 | 1.7 |
750 to 999 miles | 13.4 | 0.7 | 24.1 | 0.4 | 22.9 | 1.6 |
1,000 to 1,499 miles | 10.1 | 0.2 | 14.3 | 0.2 | 14.7 | 1.0 |
1,500 to 1,999 miles | 31.4 | 0.8 | 14.4 | – | 14.2 | 0.4 |
2,000 miles or more | 6.0 | 0.2 | 16.7 | 0.1 | 15.9 | 0.8 |
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 | 8.9 | – | 10.5 | – | 11.1 | – |
Less than 50 miles | 11.6 | 1.7 | 19.8 | 5.6 | 19.9 | 1.1 |
50 to 99 miles | 14.3 | 1.0 | 13.2 | 1.0 | 13.3 | 0.6 |
100 to 249 miles | 14.2 | 1.5 | 15.5 | 3.3 | 14.8 | 2.2 |
250 to 499 miles | 12.3 | 1.4 | 10.7 | 1.5 | 12.0 | 1.6 |
500 to 749 miles | 14.5 | 1.7 | 16.6 | 1.2 | 17.2 | 1.7 |
750 to 999 miles | 13.9 | 0.7 | 24.5 | 0.4 | 23.2 | 1.5 |
1,000 to 1,499 miles | 10.8 | 0.3 | 14.4 | 0.2 | 14.7 | 1.0 |
1,500 to 1,999 miles | 35.2 | 0.8 | 15.0 | – | 14.8 | 0.4 |
2,000 miles or more | 6.0 | 0.2 | 14.5 | 0.1 | 14.2 | 0.8 |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 8.8 | – | 11.6 | – | 11.3 | – |
Less than 50 miles | 11.9 | 1.7 | 19.5 | 5.3 | 18.1 | 1.0 |
50 to 99 miles | 14.7 | 1.0 | 13.5 | 1.1 | 12.9 | 0.6 |
100 to 249 miles | 13.9 | 1.5 | 13.4 | 2.5 | 11.8 | 1.3 |
250 to 499 miles | 12.6 | 1.4 | 9.5 | 1.3 | 9.7 | 1.5 |
500 to 749 miles | 13.1 | 1.6 | 12.7 | 1.3 | 12.1 | 1.7 |
750 to 999 miles | 14.3 | 0.7 | 28.1 | 0.5 | 27.2 | 1.8 |
1,000 to 1,499 miles | 11.5 | 0.3 | 16.6 | – | 17.2 | 0.5 |
1,500 to 1,999 miles | 36.8 | 0.9 | 14.7 | – | 14.8 | 0.5 |
2,000 miles or more | 4.9 | 0.2 | 17.6 | 0.1 | 17.5 | 0.6 |
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 | 10.6 | – | 13.6 | – | 14.2 | – |
Less than 50 miles | 23.8 | 2.2 | 23.6 | 5.2 | 27.5 | 0.6 |
50 to 99 miles | 11.0 | 0.6 | 18.9 | 2.1 | 18.3 | 0.6 |
100 to 249 miles | 13.1 | 1.6 | 14.6 | 1.1 | 12.6 | 0.9 |
250 to 499 miles | 14.6 | 2.2 | 10.3 | 1.9 | 10.6 | 1.8 |
500 to 749 miles | 16.1 | 1.7 | 16.1 | 2.0 | 15.4 | 2.1 |
750 to 999 miles | 15.6 | 1.1 | 28.8 | 1.0 | 27.8 | 2.2 |
1,000 to 1,499 miles | 12.4 | 0.4 | 19.5 | 0.2 | 20.0 | 0.6 |
1,500 to 1,999 miles | 40.7 | 1.1 | 19.7 | 0.2 | 20.0 | 0.7 |
2,000 miles or more | 7.1 | 0.3 | 19.8 | 0.1 | 19.6 | 0.5 |
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 | 17.6 | – | 19.5 | – | 9.8 | – |
Less than 50 miles | 14.9 | 3.5 | 27.7 | 6.4 | 27.2 | 3.1 |
50 to 99 miles | 20.6 | 1.7 | 11.0 | 2.0 | 11.3 | 1.3 |
100 to 249 miles | 25.7 | 3.4 | 15.1 | 4.8 | 13.6 | 4.9 |
250 to 499 miles | 38.1 | 1.0 | 8.8 | 0.3 | 10.3 | 1.0 |
500 to 749 miles | 42.7 | 1.5 | 28.8 | 0.3 | 28.9 | 2.2 |
750 to 999 miles | 20.8 | 0.2 | 32.7 | – | 32.1 | 0.8 |
1,000 to 1,499 miles | 47.0 | 0.3 | 45.3 | 0.1 | 44.3 | 1.2 |
1,500 to 1,999 miles | 43.0 | 0.3 | S | S | S | S |
2,000 miles or more | S | S | 48.1 | – | 47.5 | 1.8 |
Rail
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 14.9 | – | 21.4 | – | 17.6 | – |
Less than 50 miles | 44.2 | 2.4 | S | S | S | S |
50 to 99 miles | 31.3 | 4.4 | 36.2 | 4.1 | 37.7 | 1.6 |
100 to 249 miles | 29.0 | 5.8 | 48.2 | 6.7 | 47.0 | 6.0 |
250 to 499 miles | 24.6 | 4.6 | 23.0 | 4.1 | 23.8 | 3.7 |
500 to 749 miles | 36.5 | 4.2 | 36.3 | 5.0 | 36.5 | 6.0 |
750 to 999 miles | 18.1 | 0.9 | 15.5 | 0.6 | 15.9 | 1.0 |
1,000 to 1,499 miles | 26.8 | 1.5 | 30.7 | 1.5 | 30.5 | 3.0 |
1,500 to 1,999 miles | S | S | S | S | S | S |
2,000 miles or more | 32.5 | 2.3 | 35.7 | 0.5 | 35.9 | 2.2 |
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 | S | S | S | S | S | S |
100 to 249 miles | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | S | S | S | S | S | S |
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 | 26.6 | – | 33.0 | – | 30.8 | – |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 40.6 | 4.2 | 37.2 | 9.5 | 38.2 | 7.5 |
250 to 499 miles | 30.1 | 10.0 | 29.8 | 7.2 | 35.8 | 6.5 |
500 to 749 miles | 34.6 | 9.4 | S | S | S | S |
750 to 999 miles | 45.6 | 2.2 | S | S | S | S |
1,000 to 1,499 miles | 28.9 | 0.9 | 43.8 | 3.1 | 44.7 | 5.5 |
1,500 to 1,999 miles | 42.8 | 1.3 | 41.1 | 1.5 | 42.0 | 2.9 |
2,000 miles or more | 44.8 | 7.7 | 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 |
Less than 50 miles | – | – | – | – | 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 | 14.7 | – | 24.7 | – | 25.0 | – |
Less than 50 miles | 19.4 | 0.7 | 20.1 | 0.8 | 23.9 | – |
50 to 99 miles | 16.4 | 1.5 | 24.4 | 1.1 | 23.3 | 0.1 |
100 to 249 miles | 19.2 | 3.0 | S | S | S | S |
250 to 499 miles | 24.8 | 3.5 | 34.9 | 7.9 | 38.5 | 7.9 |
500 to 749 miles | 26.1 | 3.0 | 36.3 | 5.2 | 38.6 | 3.5 |
750 to 999 miles | 23.9 | 1.4 | 22.1 | 1.8 | 23.8 | 1.7 |
1,000 to 1,499 miles | 34.8 | 2.0 | 42.8 | 1.8 | 41.8 | 2.8 |
1,500 to 1,999 miles | 29.9 | 0.9 | 20.7 | 0.6 | 20.6 | 1.3 |
2,000 miles or more | 21.1 | 2.0 | 31.7 | 2.1 | 47.0 | 6.0 |
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 | 16.4 | – | 17.1 | – | 14.7 | – |
Less than 50 miles | 20.0 | 0.9 | 23.2 | 0.8 | 25.1 | – |
50 to 99 miles | 16.4 | 1.7 | 24.4 | 1.3 | 23.3 | 0.2 |
100 to 249 miles | 20.2 | 2.6 | 38.2 | 3.4 | 36.9 | 1.2 |
250 to 499 miles | 25.0 | 3.2 | 18.3 | 1.6 | 18.5 | 1.6 |
500 to 749 miles | 27.2 | 3.1 | 17.5 | 2.3 | 17.9 | 2.3 |
750 to 999 miles | 24.2 | 1.5 | 11.0 | 1.3 | 10.7 | 1.3 |
1,000 to 1,499 miles | 35.1 | 2.4 | 25.5 | 0.6 | 25.0 | 1.0 |
1,500 to 1,999 miles | 29.9 | 0.9 | 20.7 | 1.0 | 20.6 | 2.3 |
2,000 miles or more | 25.1 | 1.4 | 23.0 | 1.0 | 22.0 | 2.7 |
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 | 27.6 | – | 29.4 | – | 29.6 | – |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | – | – | – | – | – | – |
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 | S | S | S | S | S | S |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | S | S | 42.1 | 2.4 | 42.2 | 5.5 |
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 | 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 |
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 | 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 | 38.6 | – | 21.3 | – | 31.3 | – |
Less than 50 miles | 30.9 | 4.5 | 27.4 | 9.4 | 36.4 | 4.5 |
50 to 99 miles | 35.2 | 5.6 | 33.4 | 2.7 | 33.4 | 2.6 |
100 to 249 miles | S | S | 44.6 | 10.5 | 48.0 | 10.8 |
250 to 499 miles | 41.5 | 2.2 | S | S | 48.1 | 4.2 |
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 | S | S | S | S | 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 |
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.