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 | 10.2 | – | 17.1 | – | 13.7 | – |
Less than 50 miles | 15.0 | 2.2 | 24.8 | 5.6 | 25.3 | 0.8 |
50 to 99 miles | 13.2 | 0.6 | 19.1 | 5.3 | 18.5 | 3.9 |
100 to 249 miles | 22.7 | 1.7 | 24.9 | 1.0 | 24.5 | 1.0 |
250 to 499 miles | 18.7 | 1.8 | 26.2 | 4.2 | 24.9 | 5.3 |
500 to 749 miles | 15.4 | 0.9 | 17.8 | 0.6 | 17.5 | 2.0 |
750 to 999 miles | 23.2 | 1.5 | 32.3 | 0.3 | 32.3 | 2.0 |
1,000 to 1,499 miles | 14.1 | 1.5 | 40.2 | 0.4 | 33.3 | 2.9 |
1,500 to 1,999 miles | 14.2 | 1.1 | 28.1 | – | 29.0 | 1.2 |
2,000 miles or more | 22.6 | 1.6 | 27.2 | – | 26.9 | 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 | 11.8 | – | 16.5 | – | 14.1 | – |
Less than 50 miles | 16.0 | 2.1 | 24.2 | 5.6 | 25.0 | 0.9 |
50 to 99 miles | 15.2 | 0.8 | 19.1 | 5.3 | 18.7 | 4.0 |
100 to 249 miles | 24.3 | 1.8 | 25.6 | 1.1 | 25.2 | 1.1 |
250 to 499 miles | 19.1 | 1.5 | 26.3 | 4.3 | 25.1 | 5.4 |
500 to 749 miles | 13.1 | 0.8 | 17.7 | 0.6 | 17.4 | 2.0 |
750 to 999 miles | 23.2 | 1.4 | 32.9 | 0.3 | 32.8 | 2.1 |
1,000 to 1,499 miles | 22.6 | 2.0 | 41.6 | 0.4 | 34.5 | 2.9 |
1,500 to 1,999 miles | 17.8 | 1.1 | 30.1 | – | 31.1 | 1.2 |
2,000 miles or more | 29.2 | 1.8 | 35.3 | – | 35.6 | 1.3 |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 15.8 | – | 22.1 | – | 21.0 | – |
Less than 50 miles | 15.9 | 1.9 | 24.7 | 3.3 | 25.3 | 0.7 |
50 to 99 miles | 17.5 | 1.1 | 23.9 | 2.2 | 25.1 | 1.4 |
100 to 249 miles | 25.5 | 1.7 | 27.7 | 1.6 | 28.3 | 1.5 |
250 to 499 miles | 24.9 | 1.6 | 34.5 | 1.4 | 34.8 | 3.4 |
500 to 749 miles | 18.6 | 0.7 | 19.7 | 0.7 | 19.4 | 3.3 |
750 to 999 miles | 22.4 | 0.9 | 34.2 | 0.3 | 34.5 | 2.2 |
1,000 to 1,499 miles | 28.3 | 2.0 | 49.6 | 0.3 | 42.5 | 3.1 |
1,500 to 1,999 miles | 18.5 | 0.8 | 34.2 | 0.1 | 35.4 | 1.7 |
2,000 miles or more | 35.7 | 0.8 | 36.5 | – | 37.0 | 1.4 |
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 | 27.8 | – | 36.1 | – | 24.6 | – |
Less than 50 miles | 44.4 | 3.2 | 45.2 | 6.0 | 44.1 | 0.7 |
50 to 99 miles | 40.8 | 2.0 | 22.2 | 4.2 | 21.5 | 1.4 |
100 to 249 miles | S | S | 49.1 | 1.8 | 49.3 | 1.6 |
250 to 499 miles | 29.8 | 2.9 | 41.3 | 2.9 | 42.4 | 3.8 |
500 to 749 miles | 20.6 | 1.9 | 20.6 | 1.9 | 20.2 | 4.3 |
750 to 999 miles | 23.6 | 2.1 | 34.7 | 1.0 | 35.0 | 3.0 |
1,000 to 1,499 miles | 28.3 | 3.0 | S | S | 42.9 | 3.9 |
1,500 to 1,999 miles | 18.6 | 1.5 | 36.6 | 0.3 | 37.9 | 1.6 |
2,000 miles or more | 35.7 | 2.1 | 36.9 | 0.2 | 37.4 | 1.7 |
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 | 11.8 | – | 25.3 | – | 23.0 | – |
Less than 50 miles | 10.8 | 2.8 | 27.8 | 2.8 | 25.7 | 3.0 |
50 to 99 miles | 14.5 | 1.2 | 33.9 | 1.4 | 36.6 | 2.4 |
100 to 249 miles | 21.9 | 2.2 | 16.0 | 1.9 | 16.1 | 4.3 |
250 to 499 miles | 18.3 | 1.9 | 32.2 | 0.8 | 32.1 | 3.9 |
500 to 749 miles | 22.6 | 0.2 | 30.6 | – | 31.2 | 0.8 |
750 to 999 miles | S | S | 40.5 | – | 39.5 | 0.7 |
1,000 to 1,499 miles | 32.9 | – | 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 | 26.5 | – | 32.9 | – | 22.0 | – |
Less than 50 miles | S | S | S | S | S | S |
50 to 99 miles | 31.1 | 7.4 | 39.0 | 16.7 | 37.4 | 11.5 |
100 to 249 miles | S | S | 49.9 | 5.3 | 48.5 | 2.7 |
250 to 499 miles | 38.3 | 7.2 | 33.5 | 5.8 | 39.2 | 4.0 |
500 to 749 miles | 31.0 | 9.3 | 25.9 | 6.6 | 25.5 | 6.7 |
750 to 999 miles | 48.1 | 0.3 | 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 |
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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 | 22.4 | – | 49.5 | – | S | S |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | – | – | – | – | – | – |
100 to 249 miles | S | S | S | S | S | S |
250 to 499 miles | 25.8 | 4.0 | 49.0 | 8.0 | 42.5 | 4.1 |
500 to 749 miles | S | S | 36.0 | 1.5 | 32.8 | 2.4 |
750 to 999 miles | 31.9 | 4.2 | 31.1 | 3.1 | 33.2 | 3.9 |
1,000 to 1,499 miles | 29.7 | 4.7 | S | S | S | S |
1,500 to 1,999 miles | 34.4 | 4.1 | 42.6 | 10.1 | 42.2 | 10.3 |
2,000 miles or more | 41.0 | 4.6 | 29.5 | 1.9 | 29.2 | 3.3 |
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 |
250 to 499 miles | S | S | S | S | 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 | 16.2 | – | 23.7 | – | 15.9 | – |
Less than 50 miles | 23.2 | 1.7 | 30.5 | 2.8 | 37.7 | – |
50 to 99 miles | 23.9 | 0.7 | S | S | S | S |
100 to 249 miles | 36.1 | 1.8 | 47.6 | 9.4 | S | S |
250 to 499 miles | 30.3 | 4.0 | 36.4 | 3.1 | 36.8 | 1.3 |
500 to 749 miles | 26.6 | 1.6 | 30.2 | 1.5 | 29.9 | 1.0 |
750 to 999 miles | 31.5 | 3.8 | 14.5 | 0.9 | 14.2 | 0.8 |
1,000 to 1,499 miles | 22.2 | 1.8 | 28.5 | 4.8 | 28.8 | 6.1 |
1,500 to 1,999 miles | 27.4 | 2.7 | 21.5 | 2.3 | 21.7 | 3.5 |
2,000 miles or more | 22.1 | 1.8 | 32.4 | 2.4 | 30.5 | 5.1 |
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 | 16.7 | – | 24.4 | – | 22.5 | – |
Less than 50 miles | 23.2 | 1.7 | 30.7 | 3.3 | 37.7 | – |
50 to 99 miles | 19.8 | 0.4 | 39.5 | 1.4 | 38.6 | 0.1 |
100 to 249 miles | 44.4 | 2.0 | 46.6 | 3.4 | 43.6 | 0.7 |
250 to 499 miles | 30.3 | 4.1 | 36.4 | 3.6 | 36.8 | 1.9 |
500 to 749 miles | 26.6 | 1.6 | 30.2 | 1.5 | 29.9 | 1.5 |
750 to 999 miles | 31.5 | 4.2 | 14.5 | 1.8 | 14.2 | 2.2 |
1,000 to 1,499 miles | 23.1 | 1.7 | 18.8 | 3.2 | 19.5 | 4.9 |
1,500 to 1,999 miles | 27.4 | 2.6 | 21.5 | 1.9 | 21.7 | 2.9 |
2,000 miles or more | 22.7 | 1.8 | 42.6 | 1.7 | 42.1 | 4.7 |
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 | S | S | S | S | 42.8 | – |
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 | – | – | – | – | – | – |
500 to 749 miles | – | – | – | – | – | – |
750 to 999 miles | – | – | – | – | – | – |
1,000 to 1,499 miles | S | S | 47.2 | 12.4 | 45.7 | 8.8 |
1,500 to 1,999 miles | – | – | – | – | – | – |
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 | 35.1 | – | 34.8 | – |
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 | S | S | S | S | S | S |
1,500 to 1,999 miles | – | – | – | – | – | – |
2,000 miles or more | 49.7 | 0.2 | 35.2 | 0.2 | 34.9 | 0.1 |
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 | 40.3 | – | S | S | 26.2 | – |
Less than 50 miles | 16.6 | 12.1 | S | S | S | S |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 35.8 | 1.1 | S | S | S | S |
250 to 499 miles | S | S | 47.6 | 1.5 | 46.2 | 1.9 |
500 to 749 miles | S | S | S | S | S | S |
750 to 999 miles | 35.8 | 1.3 | S | S | S | S |
1,000 to 1,499 miles | S | S | 45.6 | 0.4 | 45.7 | 4.6 |
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.