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 | 14.5 | – | 14.2 | – | 38.1 | – |
Less than 50 miles | 10.0 | 3.5 | 16.6 | 3.9 | 23.8 | 4.4 |
50 to 99 miles | 7.8 | 0.7 | 17.7 | 0.6 | 17.6 | 1.6 |
100 to 249 miles | 8.4 | 1.7 | 14.5 | 0.5 | 12.8 | 1.9 |
250 to 499 miles | 18.5 | 1.0 | 24.8 | 0.4 | 29.1 | 1.0 |
500 to 749 miles | 40.9 | 1.5 | 38.8 | 0.5 | 35.0 | 1.4 |
750 to 999 miles | 39.4 | 1.8 | S | S | S | S |
1,000 to 1,499 miles | 15.0 | 0.6 | 26.0 | 0.4 | 25.9 | 3.2 |
1,500 to 1,999 miles | 17.2 | 0.8 | 20.5 | 0.1 | 21.3 | 1.9 |
2,000 miles or more | 43.0 | 1.9 | S | S | S | S |
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 | 18.2 | – | 14.5 | – | 36.8 | – |
Less than 50 miles | 12.7 | 4.5 | 17.0 | 4.1 | 24.0 | 5.0 |
50 to 99 miles | 9.7 | 0.9 | 17.9 | 0.7 | 17.9 | 1.9 |
100 to 249 miles | 7.0 | 1.7 | 15.1 | 0.5 | 13.3 | 2.2 |
250 to 499 miles | 30.7 | 0.8 | 27.7 | 0.5 | 32.4 | 1.1 |
500 to 749 miles | S | S | S | S | 49.4 | 0.7 |
750 to 999 miles | S | S | S | S | S | S |
1,000 to 1,499 miles | 25.6 | 0.8 | 27.6 | 0.4 | 27.3 | 2.7 |
1,500 to 1,999 miles | 18.3 | 0.6 | 24.4 | 0.1 | 25.2 | 2.1 |
2,000 miles or more | S | S | S | S | S | S |
Truck
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 18.8 | – | 14.5 | – | 37.3 | – |
Less than 50 miles | 12.7 | 4.7 | 17.0 | 4.1 | 24.0 | 5.1 |
50 to 99 miles | 9.8 | 1.0 | 17.9 | 0.7 | 17.9 | 1.9 |
100 to 249 miles | 7.9 | 1.7 | 15.2 | 0.5 | 13.4 | 2.3 |
250 to 499 miles | 32.5 | 0.6 | 27.7 | 0.5 | 32.5 | 1.1 |
500 to 749 miles | S | S | S | S | 49.6 | 0.7 |
750 to 999 miles | S | S | S | S | S | S |
1,000 to 1,499 miles | 26.0 | 0.8 | 27.6 | 0.4 | 27.3 | 2.7 |
1,500 to 1,999 miles | 19.5 | 0.6 | 24.9 | 0.1 | 25.7 | 2.2 |
2,000 miles or more | S | S | S | S | S | S |
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 | 31.5 | – | 19.2 | – | 48.1 | – |
Less than 50 miles | 16.3 | 4.2 | 23.7 | 5.7 | 26.4 | 2.5 |
50 to 99 miles | 13.2 | 1.2 | 30.9 | 1.4 | 30.0 | 1.6 |
100 to 249 miles | 14.0 | 3.5 | 25.0 | 2.1 | 21.2 | 3.1 |
250 to 499 miles | 36.3 | 1.0 | 29.6 | 1.3 | 35.3 | 1.4 |
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 | 28.4 | 1.4 | 31.3 | 0.7 | 31.4 | 3.2 |
1,500 to 1,999 miles | 19.2 | 1.0 | 26.0 | 0.4 | 26.7 | 3.3 |
2,000 miles or more | S | S | S | S | S | S |
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 | 11.5 | – | 19.0 | – | 22.9 | – |
Less than 50 miles | 13.0 | 1.8 | 19.3 | 2.0 | 28.6 | 4.9 |
50 to 99 miles | 12.8 | 1.0 | 25.3 | 1.7 | 25.5 | 2.7 |
100 to 249 miles | 16.4 | 1.4 | 20.6 | 0.3 | 19.7 | 1.8 |
250 to 499 miles | 33.5 | 0.5 | 48.5 | 0.1 | 42.0 | 1.0 |
500 to 749 miles | 28.7 | 0.2 | 21.8 | – | 23.4 | 0.3 |
750 to 999 miles | 37.6 | 1.2 | S | S | S | S |
1,000 to 1,499 miles | 48.6 | 0.3 | 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 | 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 | – | – | – | – | – | – |
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 |
Water
Distance Shipped | Value | Tons | Ton-miles | |||
---|---|---|---|---|---|---|
CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
All distances | 49.0 | – | 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 | 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 |
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 | 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 | – | – | – | – | – | – |
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 | – | – | – | – | – | – |
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 |
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 | 19.1 | – | 36.7 | – | S | S |
Less than 50 miles | – | – | – | – | – | – |
50 to 99 miles | S | S | S | S | S | S |
100 to 249 miles | 48.2 | 7.9 | S | S | S | S |
250 to 499 miles | S | S | 42.8 | 1.0 | 49.1 | 0.6 |
500 to 749 miles | S | S | 46.4 | 5.1 | 47.8 | 4.6 |
750 to 999 miles | S | S | S | S | S | S |
1,000 to 1,499 miles | 45.8 | 2.1 | S | S | S | S |
1,500 to 1,999 miles | S | S | S | S | S | S |
2,000 miles or more | 35.4 | 6.9 | 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 | 13.8 | – | 24.6 | – | 32.4 | – |
Less than 50 miles | 16.3 | 1.6 | 27.9 | 4.3 | 24.5 | 0.2 |
50 to 99 miles | 19.0 | 0.9 | 41.6 | 1.1 | 44.8 | 0.2 |
100 to 249 miles | 19.0 | 2.3 | 23.4 | 1.7 | 21.4 | 0.5 |
250 to 499 miles | 18.3 | 2.2 | 28.4 | 1.8 | 27.8 | 1.3 |
500 to 749 miles | 21.4 | 1.8 | 45.2 | 3.1 | 46.6 | 2.0 |
750 to 999 miles | 33.7 | 2.2 | 27.8 | 1.0 | 27.5 | 1.5 |
1,000 to 1,499 miles | 19.2 | 1.7 | 29.5 | 1.2 | 29.8 | 2.0 |
1,500 to 1,999 miles | 26.4 | 1.1 | 28.5 | 1.4 | 28.4 | 2.5 |
2,000 miles or more | 15.2 | 2.8 | 46.1 | 2.9 | 47.4 | 4.7 |
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 | 13.8 | – | 24.7 | – | 32.5 | – |
Less than 50 miles | 16.3 | 1.6 | 28.9 | 4.3 | 25.4 | 0.2 |
50 to 99 miles | 19.0 | 0.9 | 41.6 | 1.1 | 44.8 | 0.2 |
100 to 249 miles | 19.0 | 2.3 | 23.4 | 1.8 | 21.4 | 0.5 |
250 to 499 miles | 18.3 | 2.2 | 28.4 | 1.8 | 27.8 | 1.3 |
500 to 749 miles | 21.4 | 1.8 | 45.2 | 3.1 | 46.6 | 2.0 |
750 to 999 miles | 33.7 | 2.2 | 27.8 | 1.0 | 27.5 | 1.5 |
1,000 to 1,499 miles | 19.2 | 1.7 | 29.5 | 1.2 | 29.8 | 2.0 |
1,500 to 1,999 miles | 26.4 | 1.1 | 28.5 | 1.4 | 28.4 | 2.5 |
2,000 miles or more | 15.2 | 2.9 | 46.5 | 2.9 | 47.8 | 4.8 |
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 | – | – | – | – | – | – |
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 |
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 | 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 | 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 | 38.7 | – | S | S | S | S |
Less than 50 miles | 30.8 | 8.7 | S | S | S | S |
50 to 99 miles | 47.8 | 1.6 | S | S | S | S |
100 to 249 miles | 40.7 | 2.8 | S | S | S | S |
250 to 499 miles | S | S | S | S | S | S |
500 to 749 miles | 48.2 | 3.1 | S | S | S | S |
750 to 999 miles | 48.1 | 1.8 | S | S | S | S |
1,000 to 1,499 miles | 39.0 | 1.6 | S | S | S | S |
1,500 to 1,999 miles | S | S | 41.3 | 4.7 | 40.5 | 10.2 |
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.