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 | 3.4 | – | 8.0 | – | 24.7 | – |
Less than 50 miles | 9.9 | 2.7 | 25.9 | 9.8 | 27.4 | 1.6 |
50 to 99 miles | 7.9 | 0.7 | 16.6 | 0.5 | 17.4 | 0.3 |
100 to 249 miles | 8.7 | 1.5 | 18.6 | 0.8 | 19.9 | 1.2 |
250 to 499 miles | 5.6 | 0.5 | 15.6 | 0.5 | 15.8 | 1.6 |
500 to 749 miles | 15.1 | 1.4 | 28.4 | 6.9 | 29.8 | 6.3 |
750 to 999 miles | 12.9 | 1.0 | 24.2 | 4.0 | 24.1 | 4.6 |
1,000 to 1,499 miles | 14.0 | 1.1 | 30.2 | 1.6 | 30.9 | 5.4 |
1,500 to 1,999 miles | 20.6 | 1.3 | S | S | S | S |
2,000 miles or more | 16.5 | 0.2 | 37.9 | – | 37.0 | 0.6 |
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 | 3.7 | – | 14.2 | – | 26.1 | – |
Less than 50 miles | 10.1 | 2.8 | 28.8 | 7.5 | 26.2 | 0.8 |
50 to 99 miles | 9.8 | 0.7 | 16.8 | 1.2 | 17.8 | 0.3 |
100 to 249 miles | 9.6 | 1.7 | 18.2 | 1.9 | 19.4 | 1.3 |
250 to 499 miles | 5.9 | 0.5 | 15.7 | 0.8 | 15.9 | 1.7 |
500 to 749 miles | 16.4 | 1.5 | 28.4 | 6.5 | 29.8 | 6.2 |
750 to 999 miles | 15.6 | 1.2 | 25.1 | 3.5 | 24.9 | 4.1 |
1,000 to 1,499 miles | 16.6 | 1.1 | 28.6 | 2.4 | 29.8 | 5.6 |
1,500 to 1,999 miles | 22.7 | 1.5 | S | S | S | S |
2,000 miles or more | 25.3 | 0.2 | 38.3 | 0.2 | 37.4 | 0.6 |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 5.8 | – | 13.2 | – | 13.0 | – |
Less than 50 miles | 9.9 | 2.1 | 19.4 | 3.5 | 23.6 | 1.1 |
50 to 99 miles | 8.1 | 0.8 | 15.9 | 2.0 | 16.9 | 1.0 |
100 to 249 miles | 10.2 | 1.9 | 19.2 | 2.4 | 20.7 | 4.1 |
250 to 499 miles | 6.8 | 0.8 | 17.8 | 1.5 | 18.0 | 3.9 |
500 to 749 miles | 20.5 | 1.0 | 27.1 | 1.2 | 26.8 | 2.7 |
750 to 999 miles | 21.9 | 0.9 | 22.0 | 0.8 | 22.9 | 2.9 |
1,000 to 1,499 miles | 15.4 | 0.5 | 26.2 | 0.4 | 25.1 | 2.0 |
1,500 to 1,999 miles | 21.4 | 0.6 | 23.4 | 0.3 | 23.2 | 1.8 |
2,000 miles or more | 32.2 | 0.1 | 46.2 | 0.1 | 45.8 | 1.0 |
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 | 11.2 | – | 14.9 | – | 18.1 | – |
Less than 50 miles | 43.7 | 5.1 | 41.2 | 6.7 | 38.8 | 0.8 |
50 to 99 miles | 16.5 | 1.4 | 24.6 | 3.7 | 24.2 | 1.0 |
100 to 249 miles | 11.1 | 2.8 | 12.1 | 1.3 | 14.8 | 1.7 |
250 to 499 miles | 11.2 | 2.6 | 21.3 | 5.5 | 22.8 | 4.6 |
500 to 749 miles | 17.5 | 1.4 | 29.3 | 2.2 | 29.1 | 3.1 |
750 to 999 miles | 12.7 | 1.2 | 22.0 | 0.8 | 21.4 | 1.9 |
1,000 to 1,499 miles | 16.6 | 1.6 | 28.9 | 1.2 | 27.8 | 2.6 |
1,500 to 1,999 miles | 22.5 | 1.7 | 27.8 | 0.6 | 28.0 | 2.1 |
2,000 miles or more | 32.3 | 0.3 | 39.8 | 0.2 | 39.7 | 0.8 |
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 | 7.3 | – | 17.7 | – | 13.3 | – |
Less than 50 miles | 10.0 | 2.3 | 22.6 | 3.8 | 24.8 | 2.9 |
50 to 99 miles | 11.8 | 1.3 | 24.7 | 2.1 | 25.9 | 1.4 |
100 to 249 miles | 12.7 | 2.2 | 30.3 | 3.1 | 31.7 | 6.9 |
250 to 499 miles | 18.1 | 1.3 | 31.0 | 0.9 | 30.1 | 5.0 |
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 | 31.3 | 0.1 | 35.0 | 0.2 | 36.2 | 1.8 |
1,500 to 1,999 miles | 33.5 | 0.3 | 38.9 | 0.1 | 38.9 | 1.8 |
2,000 miles or more | 39.6 | – | 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 | 11.3 | – | 22.2 | – | 27.9 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 30.4 | 0.8 | 24.1 | 1.6 | 25.7 | 0.4 |
250 to 499 miles | 27.9 | 1.0 | 30.9 | 1.5 | 33.9 | 0.9 |
500 to 749 miles | 23.1 | 7.0 | 28.8 | 7.7 | 30.2 | 6.9 |
750 to 999 miles | 17.7 | 4.9 | 25.8 | 4.6 | 25.5 | 4.9 |
1,000 to 1,499 miles | 27.5 | 4.1 | 32.2 | 5.1 | 33.3 | 6.8 |
1,500 to 1,999 miles | 31.0 | 1.2 | S | S | S | S |
2,000 miles or more | 30.7 | 0.5 | 43.7 | 0.4 | 42.1 | 0.6 |
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 | 40.6 | – | 46.4 | – | 46.3 | – |
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 | 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 | 47.4 | 8.4 | S | S | S | S |
1,500 to 1,999 miles | 43.1 | 14.3 | 45.6 | 15.0 | 45.5 | 14.9 |
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 | 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 | 17.4 | – | S | S | S | S |
Less than 50 miles | 42.7 | 3.2 | 26.5 | 3.3 | 24.6 | – |
50 to 99 miles | 45.1 | 1.5 | S | S | S | S |
100 to 249 miles | 25.1 | 3.0 | S | S | S | S |
250 to 499 miles | 23.9 | 1.7 | 42.6 | 3.7 | 36.8 | 1.9 |
500 to 749 miles | 23.6 | 1.7 | S | S | S | S |
750 to 999 miles | 18.1 | 2.2 | S | S | S | S |
1,000 to 1,499 miles | 25.2 | 2.4 | S | S | S | S |
1,500 to 1,999 miles | 24.0 | 1.6 | S | S | S | S |
2,000 miles or more | 36.4 | 1.3 | 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 | – | 27.3 | – | 19.5 | – |
Less than 50 miles | 42.7 | 3.8 | 25.3 | 4.1 | 21.3 | – |
50 to 99 miles | 45.1 | 1.5 | S | S | S | S |
100 to 249 miles | 27.8 | 3.0 | 34.9 | 4.4 | 33.9 | 2.6 |
250 to 499 miles | 24.0 | 1.7 | 38.7 | 2.4 | 33.5 | 2.5 |
500 to 749 miles | 23.6 | 1.9 | 36.1 | 2.1 | 35.8 | 2.2 |
750 to 999 miles | 18.3 | 1.8 | 20.4 | 1.2 | 19.5 | 1.3 |
1,000 to 1,499 miles | 25.6 | 2.7 | 19.6 | 1.7 | 19.4 | 3.3 |
1,500 to 1,999 miles | 24.4 | 1.8 | 22.8 | 1.8 | 23.2 | 2.7 |
2,000 miles or more | 30.0 | 0.6 | 21.2 | 0.2 | 20.8 | 0.5 |
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 | 38.7 | – | 48.7 | – |
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 | 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 | – | – | – | – | – | – |
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 | 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 | 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 | – | – | – | – | – | – |
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 | 14.9 | – | S | S | 45.8 | – |
Less than 50 miles | 20.1 | 7.6 | S | S | S | S |
50 to 99 miles | 42.3 | 4.2 | S | S | S | S |
100 to 249 miles | 30.4 | 3.0 | 29.8 | 3.2 | 32.3 | 7.7 |
250 to 499 miles | S | S | 46.6 | 0.7 | 48.7 | 4.6 |
500 to 749 miles | 45.5 | 0.4 | 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 | 41.3 | – | 46.8 | 0.5 |
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.