Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for State of Origin: 2002
Monday, July 2, 2012
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 | 9.2 | – | 14.7 | – | S | S |
| Less than 50 miles | 9.6 | 3.4 | 12.0 | 2.9 | 12.2 | 3.7 |
| 50 to 99 miles | 22.2 | 1.1 | 30.3 | 1.3 | 44.7 | 2.9 |
| 100 to 249 miles | 27.9 | 2.5 | 26.1 | 0.7 | 19.3 | 2.6 |
| 250 to 499 miles | 37.9 | – | 43.2 | 1.2 | 43.1 | 7.4 |
| 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 | 15.4 | 1.0 | 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 | 12.9 | – | 12.0 | – | 21.7 | – |
| Less than 50 miles | 11.9 | 4.4 | 12.4 | 0.8 | 11.9 | 8.2 |
| 50 to 99 miles | 37.7 | 1.3 | 27.0 | 0.5 | 27.5 | 2.7 |
| 100 to 249 miles | 47.3 | 3.3 | 34.4 | 0.5 | 33.6 | 3.1 |
| 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 | 33.2 | 0.5 | 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 | 11.3 | – | 8.4 | – | 5.9 | – |
| Less than 50 miles | 11.4 | 0.8 | 8.9 | 0.7 | 7.7 | 4.3 |
| 50 to 99 miles | 39.4 | 0.8 | 28.9 | 0.7 | 28.5 | 4.3 |
| 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 | – | – | – | – | – | – |
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 | 39.5 | – | 25.9 | – | 27.1 | – |
| Less than 50 miles | 40.4 | 2.0 | 26.4 | 0.7 | 29.6 | 4.5 |
| 50 to 99 miles | 41.2 | 2.0 | 44.0 | 0.7 | 44.3 | 4.5 |
| 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 | – | – | – | – | – | – |
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 | 13.9 | – | 16.3 | – | 10.0 | – |
| Less than 50 miles | 13.8 | 1.0 | 16.8 | 0.9 | 10.6 | 4.4 |
| 50 to 99 miles | 45.0 | 1.0 | 32.4 | 0.9 | 31.6 | 4.4 |
| 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 | – | – | – | – | – | – |
Rail
| 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 | – | – | – | – | – | – |
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 | 38.1 | – | 48.7 | – |
| Less than 50 miles | S | S | S | S | S | S |
| 50 to 99 miles | S | S | 46.9 | 5.4 | 48.6 | 3.2 |
| 100 to 249 miles | S | S | 36.0 | 12.8 | 35.9 | 9.7 |
| 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 | – | – | – | – | – | – |
| 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 | S | S | 38.1 | – | 48.7 | – |
| Less than 50 miles | S | S | S | S | S | S |
| 50 to 99 miles | S | S | 46.9 | 5.4 | 48.6 | 3.2 |
| 100 to 249 miles | S | S | 36.0 | 12.8 | 35.9 | 9.7 |
| 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 |
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 | 27.4 | – | 32.8 | – | 20.4 | – |
| Less than 50 miles | – | – | – | – | – | – |
| 50 to 99 miles | 32.9 | 3.3 | 23.8 | 4.4 | 47.4 | 5.5 |
| 100 to 249 miles | 26.7 | 6.6 | 49.4 | 9.0 | 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 | 45.7 | 7.8 | 24.4 | 6.7 | 20.8 | 9.6 |
Pipeline
| Distance Shipped | Value | Tons | Ton-miles | |||
|---|---|---|---|---|---|---|
| CV | Std. error of percent |
CV | Std. error of percent |
CV | Std. error of percent |
|
| All distances | 23.0 | – | 21.1 | – | S | S |
| Less than 50 miles | 23.1 | 0.5 | 21.2 | 0.4 | 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 | 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 | 12.4 | – | 38.8 | – | S | S |
| Less than 50 miles | 32.4 | 5.0 | S | S | S | S |
| 50 to 99 miles | 17.5 | 3.6 | 44.7 | 7.8 | S | S |
| 100 to 249 miles | 13.6 | 3.3 | 34.0 | 5.5 | 24.7 | 3.1 |
| 250 to 499 miles | 39.8 | 0.5 | 43.3 | 7.2 | 43.2 | 10.2 |
| 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 | 21.0 | 4.2 | 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 | 27.0 | – | 17.2 | – | 31.6 | – |
| Less than 50 miles | 43.7 | 7.9 | 28.4 | 6.9 | 45.1 | 3.4 |
| 50 to 99 miles | 21.8 | 4.2 | 21.4 | 2.0 | 19.3 | 2.0 |
| 100 to 249 miles | 22.5 | 2.9 | 19.5 | 4.9 | 18.0 | 2.3 |
| 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 | 33.4 | 7.5 | 39.3 | 3.4 | 35.6 | 6.0 |
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 | – | – | – | – | – | – |
| 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 | – | – | – | – | – | – |
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 | 13.7 | – | 42.9 | – | S | S |
| Less than 50 miles | 44.2 | 0.4 | 48.8 | 0.5 | S | S |
| 50 to 99 miles | 27.7 | 4.6 | S | S | S | S |
| 100 to 249 miles | 18.8 | 5.7 | 19.6 | 6.4 | 20.3 | 2.3 |
| 250 to 499 miles | 39.8 | 1.8 | 43.3 | 12.6 | 43.2 | 12.4 |
| 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 | 30.0 | 7.5 | 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 | 35.5 | – | 40.5 | – | 40.6 | – |
| Less than 50 miles | 45.0 | 11.3 | S | S | S | S |
| 50 to 99 miles | S | S | S | S | S | S |
| 100 to 249 miles | 49.5 | 10.4 | 47.5 | 10.1 | 43.3 | 9.8 |
| 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 | 22.7 | – | 34.4 | – | 36.0 | – |
| Less than 50 miles | 23.4 | 4.7 | 38.1 | 9.0 | 29.0 | 10.5 |
| 50 to 99 miles | S | S | S | S | S | S |
| 100 to 249 miles | 30.8 | 1.7 | S | S | 47.0 | 11.6 |
| 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 | 40.8 | 1.9 | 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.