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]

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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 6.6 16.3 14.2
Less than 50 miles 8.8 2.5 28.4 5.1 24.9 0.8
50 to 99 miles 15.4 0.9 23.6 3.2 24.5 1.3
100 to 249 miles 15.0 1.5 13.9 1.5 13.6 1.8
250 to 499 miles 10.3 1.4 17.7 1.8 17.4 2.8
500 to 749 miles 14.9 1.6 34.1 2.0 37.7 4.5
750 to 999 miles 17.3 1.1 26.5 0.9 29.3 4.1
1,000 to 1,499 miles 14.0 1.8 33.3 0.6 35.0 5.1
1,500 to 1,999 miles 22.0 0.1 S S S S
2,000 miles or more 23.6 35.7 26.2

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 7.3 15.9 14.4
Less than 50 miles 9.5 2.8 28.9 5.4 25.5 0.8
50 to 99 miles 15.3 0.9 23.7 3.2 24.6 1.3
100 to 249 miles 16.9 1.6 15.7 1.8 15.3 2.0
250 to 499 miles 11.8 1.6 17.8 1.8 17.5 2.8
500 to 749 miles 11.3 1.3 35.3 2.1 38.7 4.6
750 to 999 miles 19.5 1.4 26.9 0.9 29.7 4.1
1,000 to 1,499 miles 16.1 2.0 34.0 0.6 35.8 5.6
1,500 to 1,999 miles 23.5 0.1 S S S S
2,000 miles or more 45.7 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 6.4 18.7 8.9
Less than 50 miles 10.2 3.1 30.4 5.0 26.5 1.7
50 to 99 miles 16.9 1.3 28.1 3.6 29.2 3.0
100 to 249 miles 17.7 1.8 15.4 2.1 14.9 1.5
250 to 499 miles 12.5 1.7 18.1 1.6 18.0 2.5
500 to 749 miles 9.3 0.8 12.0 0.5 11.9 1.0
750 to 999 miles 22.5 1.5 30.7 0.5 33.8 2.7
1,000 to 1,499 miles 15.0 1.8 10.9 0.6 10.0 3.3
1,500 to 1,999 miles 28.9 0.2 26.3 25.8 0.3
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 8.5 14.3 10.1
Less than 50 miles 22.6 2.5 34.1 7.3 27.8 1.3
50 to 99 miles 24.8 1.9 34.8 6.4 34.6 3.5
100 to 249 miles 13.6 1.4 19.9 2.7 19.4 1.9
250 to 499 miles 14.1 2.4 20.4 2.0 20.8 2.9
500 to 749 miles 9.7 0.8 11.1 0.6 11.2 1.3
750 to 999 miles 23.8 2.2 32.2 0.8 35.4 3.0
1,000 to 1,499 miles 16.3 2.6 12.5 1.0 11.5 4.1
1,500 to 1,999 miles 31.9 0.3 30.1 29.5 0.4
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 10.1 26.3 17.0
Less than 50 miles 9.2 5.6 29.5 5.8 29.6 4.7
50 to 99 miles 22.3 2.5 48.7 2.4 48.1 3.1
100 to 249 miles 30.9 3.7 29.4 3.3 28.3 3.6
250 to 499 miles 18.9 1.0 26.7 0.7 22.1 1.9
500 to 749 miles 24.4 1.2 27.3 0.5 27.9 3.7
750 to 999 miles 15.9 0.3 14.3 15.7 0.8
1,000 to 1,499 miles 34.0 0.5 24.3 0.2 24.5 2.5
1,500 to 1,999 miles S S S S S S
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 23.6 21.6 25.2
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles 39.8 5.1 39.1 6.7 38.5 3.0
250 to 499 miles 18.7 3.3 32.7 4.2 30.9 3.7
500 to 749 miles 27.1 3.9 S S S S
750 to 999 miles 34.4 4.7 S S S S
1,000 to 1,499 miles 36.6 8.7 S S S S
1,500 to 1,999 miles S S S S S S
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 S S S S
Less than 50 miles
50 to 99 miles
100 to 249 miles
250 to 499 miles
500 to 749 miles S S S S S S
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
50 to 99 miles
100 to 249 miles
250 to 499 miles
500 to 749 miles S S S S S S
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 25.1 34.5 31.2
Less than 50 miles
50 to 99 miles
100 to 249 miles 45.7 0.4 41.2 0.4 S S
250 to 499 miles 35.2 2.0 33.9 3.6 30.6 3.5
500 to 749 miles 45.2 7.4 S S S S
750 to 999 miles 33.0 6.6 26.5 3.4 26.8 3.3
1,000 to 1,499 miles 19.8 4.2 30.8 3.7 30.8 3.6
1,500 to 1,999 miles S S S S S S
2,000 miles or more S S 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 S S 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 S S 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 10.4 S S S S
Less than 50 miles 24.1 3.9 S S 48.4 0.1
50 to 99 miles 28.0 1.7 27.6 1.6 30.2 0.2
100 to 249 miles 24.3 2.6 S S S S
250 to 499 miles 19.7 2.7 S S S S
500 to 749 miles 15.0 1.5 22.8 3.4 24.6 3.2
750 to 999 miles 14.6 0.9 19.7 2.0 19.1 3.3
1,000 to 1,499 miles 19.3 4.2 43.6 7.1 45.4 10.1
1,500 to 1,999 miles 33.2 0.2 49.8 0.2 48.9 0.6
2,000 miles or more 39.0 45.3 0.2 47.9 1.1

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 10.3 20.6 23.5
Less than 50 miles 24.1 4.4 S S 48.4 0.5
50 to 99 miles 28.0 1.7 27.6 1.7 30.2 0.3
100 to 249 miles 22.8 2.1 40.6 3.7 38.7 1.3
250 to 499 miles 19.3 2.5 26.1 2.0 25.9 0.9
500 to 749 miles 14.4 1.4 16.7 1.6 16.4 2.4
750 to 999 miles 15.1 1.0 21.8 1.3 21.3 1.2
1,000 to 1,499 miles 18.1 3.9 25.7 3.5 24.7 3.5
1,500 to 1,999 miles 33.2 0.2 49.8 0.2 48.9 0.6
2,000 miles or more 50.0 S S S S

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 S S S S S S
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

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 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

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 31.8 24.4 26.8
Less than 50 miles 23.2 9.3 40.0 9.2 S S
50 to 99 miles 43.7 3.5 41.6 3.0 40.1 1.3
100 to 249 miles 37.2 2.8 33.2 2.6 32.1 3.1
250 to 499 miles 46.0 3.5 32.7 3.9 31.6 6.2
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 49.8 4.2 49.6 8.3
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.