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 | 8.7 | – | 22.1 | – | 10.0 | – |
Less than 50 miles | 15.9 | 5.0 | 28.6 | 6.8 | 22.5 | 2.3 |
50 to 99 miles | 11.8 | 1.3 | 17.0 | 1.3 | 16.2 | 0.9 |
100 to 249 miles | 12.8 | 2.1 | 27.0 | 3.2 | 26.5 | 2.8 |
250 to 499 miles | 20.1 | 2.5 | 10.8 | 1.3 | 11.1 | 1.4 |
500 to 749 miles | 21.5 | 1.4 | 29.4 | 1.2 | 31.0 | 3.3 |
750 to 999 miles | 19.4 | 0.7 | 21.3 | 0.9 | 20.4 | 1.6 |
1,000 to 1,499 miles | 23.4 | 0.6 | 12.1 | 0.3 | 12.3 | 1.2 |
1,500 to 1,999 miles | 9.7 | – | 24.7 | 0.1 | 24.9 | 0.8 |
2,000 miles or more | 25.9 | 1.4 | 15.5 | 0.4 | 15.5 | 2.3 |
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 | 7.7 | – | 22.6 | – | 10.8 | – |
Less than 50 miles | 16.7 | 4.9 | 28.7 | 6.6 | 22.4 | 2.2 |
50 to 99 miles | 13.6 | 1.7 | 18.3 | 1.3 | 17.8 | 1.0 |
100 to 249 miles | 13.8 | 2.8 | 28.1 | 3.3 | 27.4 | 3.4 |
250 to 499 miles | 21.6 | 2.9 | 11.3 | 1.4 | 12.0 | 1.3 |
500 to 749 miles | 16.9 | 1.0 | 32.7 | 1.2 | 34.9 | 3.8 |
750 to 999 miles | 29.7 | 0.9 | 23.1 | 0.9 | 21.8 | 1.7 |
1,000 to 1,499 miles | 24.2 | 0.4 | 16.5 | 0.3 | 17.0 | 1.4 |
1,500 to 1,999 miles | 18.3 | 0.1 | 26.0 | 0.1 | 26.4 | 0.8 |
2,000 miles or more | 18.5 | 0.4 | 12.6 | 0.3 | 12.6 | 1.6 |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 8.5 | – | 16.5 | – | 7.0 | – |
Less than 50 miles | 10.3 | 3.5 | 22.2 | 5.3 | 22.4 | 2.9 |
50 to 99 miles | 13.6 | 1.5 | 18.5 | 1.6 | 18.0 | 1.4 |
100 to 249 miles | 13.1 | 2.5 | 14.4 | 2.2 | 14.6 | 2.3 |
250 to 499 miles | 22.0 | 2.7 | 10.3 | 1.4 | 10.1 | 1.2 |
500 to 749 miles | 16.1 | 1.0 | 19.1 | 0.6 | 19.7 | 2.0 |
750 to 999 miles | 32.2 | 0.9 | 31.9 | 1.0 | 31.3 | 2.1 |
1,000 to 1,499 miles | 22.0 | 0.4 | 20.3 | 0.4 | 21.0 | 1.5 |
1,500 to 1,999 miles | 23.9 | 0.1 | 27.0 | 0.1 | 27.4 | 1.1 |
2,000 miles or more | 21.6 | 0.4 | 17.7 | 0.3 | 17.7 | 2.2 |
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 | 12.8 | – | 17.3 | – | 10.1 | – |
Less than 50 miles | 17.8 | 3.9 | 22.8 | 5.7 | 24.5 | 2.2 |
50 to 99 miles | 24.9 | 1.8 | 26.9 | 2.9 | 26.4 | 2.4 |
100 to 249 miles | 16.3 | 2.2 | 16.9 | 2.2 | 19.6 | 2.4 |
250 to 499 miles | 22.6 | 2.8 | 11.9 | 1.9 | 11.5 | 1.0 |
500 to 749 miles | 16.9 | 2.1 | 21.0 | 1.0 | 21.5 | 2.6 |
750 to 999 miles | 32.8 | 1.3 | 32.2 | 1.4 | 31.5 | 2.2 |
1,000 to 1,499 miles | 23.2 | 0.6 | 22.4 | 0.5 | 23.1 | 2.1 |
1,500 to 1,999 miles | 26.0 | 0.2 | 34.9 | 0.2 | 34.9 | 1.2 |
2,000 miles or more | 23.5 | 0.5 | 23.0 | 0.5 | 22.9 | 2.7 |
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 | 9.1 | – | 20.9 | – | 13.0 | – |
Less than 50 miles | 9.2 | 4.7 | 26.6 | 5.2 | 26.4 | 4.2 |
50 to 99 miles | 19.9 | 2.6 | 10.3 | 2.0 | 10.5 | 2.0 |
100 to 249 miles | 33.6 | 4.8 | 22.2 | 3.3 | 22.3 | 4.6 |
250 to 499 miles | 30.5 | 1.3 | 32.0 | 1.1 | 32.4 | 3.5 |
500 to 749 miles | 33.1 | 0.1 | S | S | S | S |
750 to 999 miles | 46.2 | – | 48.6 | 0.2 | 48.0 | 1.6 |
1,000 to 1,499 miles | S | S | S | S | S | S |
1,500 to 1,999 miles | 49.3 | 0.1 | S | S | S | S |
2,000 miles or more | 30.0 | 0.2 | 40.0 | 0.2 | 40.0 | 4.4 |
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 | 28.1 | – | 37.2 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 34.7 | 5.7 | 33.8 | 6.8 | 36.5 | 4.6 |
250 to 499 miles | S | S | 44.1 | 5.7 | 47.3 | 6.4 |
500 to 749 miles | S | S | S | S | S | S |
750 to 999 miles | S | S | 44.8 | 2.7 | 45.2 | 7.7 |
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 | 46.9 | 7.2 | S | S | S | S |
Water
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 44.1 | – | S | S | 49.0 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | 44.7 | 2.8 | S | S | 49.0 | 0.4 |
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 | S | S | S | S | S | S |
Less than 50 miles | S | S | S | S | S | S |
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 | – | – | – | – | – | – |
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 | 48.5 | – |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | S | S | S | S | 48.5 | – |
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 | 37.9 | – | 48.3 | – | 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 | 25.5 | 6.0 | S | S | S | S |
500 to 749 miles | S | S | S | S | S | S |
750 to 999 miles | S | S | 46.0 | 2.1 | 49.4 | 2.9 |
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 | 46.0 | 8.5 | 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 | 48.6 | – | 48.5 | – | 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 | 24.1 | – | 28.4 | – | 44.2 | – |
Less than 50 miles | 18.9 | 4.0 | S | S | 31.8 | 4.3 |
50 to 99 miles | 27.0 | 3.0 | 49.0 | 5.4 | 47.5 | 3.2 |
100 to 249 miles | 26.9 | 3.7 | 35.2 | 10.1 | 34.8 | 8.2 |
250 to 499 miles | 28.5 | 1.6 | 43.9 | 1.3 | 48.3 | 0.9 |
500 to 749 miles | 42.0 | 3.5 | S | S | S | S |
750 to 999 miles | 40.4 | 2.5 | S | S | S | S |
1,000 to 1,499 miles | 45.7 | 1.9 | S | S | S | S |
1,500 to 1,999 miles | 42.4 | 0.3 | 46.4 | 0.6 | S | S |
2,000 miles or more | 35.8 | 5.2 | 46.1 | 4.4 | 46.4 | 7.6 |
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 | 25.2 | – | 31.3 | – | 25.7 | – |
Less than 50 miles | 20.4 | 2.4 | 35.4 | 3.7 | 34.6 | 0.2 |
50 to 99 miles | 27.0 | 3.1 | 49.0 | 4.3 | 47.5 | 2.6 |
100 to 249 miles | 26.9 | 2.1 | 35.2 | 7.4 | 34.8 | 5.9 |
250 to 499 miles | 28.7 | 1.8 | 25.0 | 1.9 | 25.4 | 1.3 |
500 to 749 miles | 22.4 | 1.4 | 17.3 | 2.1 | 17.1 | 2.5 |
750 to 999 miles | 47.3 | 2.2 | 37.1 | 2.1 | 36.7 | 5.3 |
1,000 to 1,499 miles | 31.4 | 1.0 | 38.4 | 1.2 | 37.2 | 2.4 |
1,500 to 1,999 miles | 42.4 | 0.3 | 46.4 | 0.5 | S | S |
2,000 miles or more | S | S | 32.3 | 1.1 | 32.2 | 4.4 |
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 | – | – | – | – | – | – |
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 | 49.7 | 2.7 | 49.6 | 2.4 |
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 | 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 | 31.0 | – | S | S | S | S |
Less than 50 miles | 28.1 | 10.5 | S | S | S | S |
50 to 99 miles | 48.0 | 2.9 | 44.9 | 7.1 | S | S |
100 to 249 miles | 42.2 | 4.7 | 38.3 | 3.2 | 35.1 | 10.3 |
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 | 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.