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 | 11.2 | – | 20.3 | – | 21.9 | – |
Less than 50 miles | 5.7 | 2.2 | 20.5 | 2.6 | 20.1 | 0.5 |
50 to 99 miles | 24.6 | 0.8 | S | S | S | S |
100 to 249 miles | 17.4 | 2.1 | 35.2 | 1.9 | 36.3 | 2.1 |
250 to 499 miles | 15.4 | 1.7 | 22.6 | 0.9 | 24.7 | 3.2 |
500 to 749 miles | 24.5 | 1.2 | 42.6 | 0.8 | 43.4 | 3.4 |
750 to 999 miles | 27.6 | 0.9 | 19.3 | 0.2 | 18.9 | 1.1 |
1,000 to 1,499 miles | 42.0 | 1.8 | 43.6 | 1.0 | 36.6 | 4.3 |
1,500 to 1,999 miles | 20.5 | 1.3 | 23.4 | 0.2 | 22.8 | 2.1 |
2,000 miles or more | 15.9 | 1.6 | 14.4 | 0.1 | 14.2 | 1.3 |
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 | 8.4 | – | 21.5 | – | 22.5 | – |
Less than 50 miles | 6.8 | 1.9 | 22.9 | 3.7 | 21.5 | 0.6 |
50 to 99 miles | 32.0 | 1.0 | S | S | S | S |
100 to 249 miles | 18.0 | 2.2 | 35.8 | 2.1 | 36.8 | 2.1 |
250 to 499 miles | 17.1 | 2.3 | 22.6 | 1.1 | 24.9 | 3.2 |
500 to 749 miles | 28.6 | 1.4 | 43.2 | 0.9 | 43.9 | 3.4 |
750 to 999 miles | S | S | 20.1 | 0.3 | 19.7 | 1.2 |
1,000 to 1,499 miles | 26.7 | 1.2 | 44.7 | 1.0 | 37.6 | 4.4 |
1,500 to 1,999 miles | 25.3 | 1.5 | 24.5 | 0.3 | 23.9 | 2.1 |
2,000 miles or more | 20.8 | 1.9 | 17.2 | 0.1 | 16.9 | 1.4 |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 8.7 | – | 20.3 | – | 16.6 | – |
Less than 50 miles | 6.8 | 2.2 | 22.9 | 4.0 | 21.5 | 1.0 |
50 to 99 miles | 32.0 | 1.0 | S | S | S | S |
100 to 249 miles | 18.6 | 2.5 | 37.8 | 2.6 | 39.5 | 4.8 |
250 to 499 miles | 18.2 | 2.6 | 23.3 | 1.3 | 23.5 | 3.2 |
500 to 749 miles | 30.6 | 1.5 | 22.4 | 0.5 | 25.5 | 2.4 |
750 to 999 miles | S | S | 22.3 | 0.3 | 22.5 | 1.5 |
1,000 to 1,499 miles | 28.8 | 1.1 | S | S | 46.1 | 4.2 |
1,500 to 1,999 miles | 28.3 | 1.6 | 25.5 | 0.4 | 25.5 | 2.6 |
2,000 miles or more | 28.4 | 1.9 | 19.8 | 0.1 | 19.9 | 1.5 |
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 | 13.1 | – | 26.7 | – | 15.0 | – |
Less than 50 miles | 12.5 | 0.8 | 48.0 | 6.4 | 36.9 | 0.4 |
50 to 99 miles | 24.3 | 0.2 | 35.8 | 1.0 | 38.3 | 0.2 |
100 to 249 miles | 20.1 | 2.3 | 30.0 | 5.0 | 29.6 | 3.5 |
250 to 499 miles | 21.0 | 4.0 | 29.2 | 2.7 | 29.2 | 3.6 |
500 to 749 miles | 30.9 | 2.5 | 19.9 | 2.0 | 19.6 | 3.2 |
750 to 999 miles | S | S | 21.7 | 0.7 | 22.2 | 1.3 |
1,000 to 1,499 miles | 29.4 | 1.5 | S | S | S | S |
1,500 to 1,999 miles | 27.8 | 2.6 | 26.6 | 1.3 | 26.8 | 3.6 |
2,000 miles or more | 28.6 | 4.1 | 19.4 | 0.5 | 19.4 | 2.0 |
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 | 8.0 | – | 22.3 | – | 37.8 | – |
Less than 50 miles | 7.2 | 4.1 | 23.6 | 4.4 | 24.3 | 5.7 |
50 to 99 miles | 35.7 | 2.0 | S | S | S | S |
100 to 249 miles | 47.7 | 3.5 | S | S | S | S |
250 to 499 miles | 36.8 | 1.6 | 21.3 | 0.6 | 20.7 | 5.9 |
500 to 749 miles | 47.6 | 0.3 | 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 |
Rail
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 48.7 | – | 41.7 | – | 40.1 | – |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | S | S | 34.8 | 5.4 | 34.3 | 3.2 |
250 to 499 miles | 44.1 | 5.5 | 44.1 | 6.6 | 45.8 | 7.7 |
500 to 749 miles | 46.5 | 5.5 | S | S | S | S |
750 to 999 miles | 37.9 | 0.6 | 42.9 | 0.9 | 43.0 | 0.9 |
1,000 to 1,499 miles | S | S | 35.7 | 8.4 | 36.0 | 11.2 |
1,500 to 1,999 miles | 45.5 | 6.6 | 49.0 | 3.2 | 48.4 | 3.9 |
2,000 miles or more | S | S | 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 | – | – | – | – | – | – |
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 | 21.3 | – | 43.0 | – | S | S |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | 48.5 | 2.6 | 49.4 | 2.3 | 42.9 | 0.3 |
250 to 499 miles | 37.0 | 9.1 | 36.1 | 3.8 | 38.4 | 3.7 |
500 to 749 miles | 32.7 | 0.8 | S | S | 45.0 | 3.3 |
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 | 45.8 | 8.2 | S | S | S | S |
2,000 miles or more | S | S | 47.7 | 6.8 | 47.2 | 7.5 |
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 | S | S | 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 | 29.5 | – | 21.1 | – | 24.1 | – |
Less than 50 miles | 31.4 | 2.3 | S | S | S | S |
50 to 99 miles | 49.7 | 0.5 | 28.3 | 0.3 | 29.4 | 0.1 |
100 to 249 miles | 22.0 | 2.3 | 16.8 | 3.1 | 17.1 | 1.2 |
250 to 499 miles | 25.9 | 3.0 | 43.3 | 5.6 | 49.8 | 4.3 |
500 to 749 miles | 41.3 | 2.1 | 18.2 | 1.9 | 18.4 | 1.7 |
750 to 999 miles | 29.0 | 1.6 | 18.1 | 1.2 | 19.3 | 1.5 |
1,000 to 1,499 miles | S | S | 25.3 | 1.3 | 23.8 | 1.6 |
1,500 to 1,999 miles | 21.3 | 2.6 | 34.6 | 2.3 | 33.6 | 3.1 |
2,000 miles or more | 24.2 | 1.6 | 31.9 | 2.3 | 32.3 | 4.4 |
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 | 29.5 | – | 12.9 | – | 16.2 | – |
Less than 50 miles | 31.4 | 2.3 | 29.2 | 1.7 | 35.1 | – |
50 to 99 miles | 49.7 | 0.5 | 28.3 | 0.7 | 29.4 | 0.1 |
100 to 249 miles | 22.0 | 2.3 | 16.7 | 2.1 | 17.0 | 1.1 |
250 to 499 miles | 25.7 | 3.0 | 14.5 | 1.9 | 14.4 | 2.8 |
500 to 749 miles | 41.3 | 2.1 | 18.2 | 1.3 | 18.4 | 1.3 |
750 to 999 miles | 29.0 | 1.6 | 18.1 | 1.1 | 19.3 | 1.4 |
1,000 to 1,499 miles | S | S | 27.0 | 1.1 | 25.2 | 1.4 |
1,500 to 1,999 miles | 21.3 | 2.6 | 35.5 | 2.0 | 34.2 | 3.2 |
2,000 miles or more | 24.2 | 1.7 | 21.3 | 1.0 | 21.4 | 2.8 |
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 | 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 | S | S | S | S | S | S |
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 | S | S | S | S | S | S |
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 | 47.8 | – | 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 | 50.0 | 3.7 | 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 | 24.7 | – | 42.6 | – | 26.3 | – |
Less than 50 miles | 33.5 | 8.1 | 43.6 | 6.6 | 47.3 | 12.2 |
50 to 99 miles | 37.0 | 0.8 | S | S | S | S |
100 to 249 miles | S | S | S | S | S | S |
250 to 499 miles | S | S | 43.2 | 5.5 | 43.1 | 12.0 |
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 | 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 | 42.5 | 0.3 | 42.6 | 7.4 |
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.