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 6.9 8.1 12.4
Less than 50 miles 10.7 1.6 9.8 4.9 13.7 0.9
50 to 99 miles 10.5 0.8 17.3 0.7 16.9 0.3
100 to 249 miles 10.3 0.9 28.0 1.9 24.6 1.0
250 to 499 miles 16.4 1.4 37.5 2.8 37.4 4.9
500 to 749 miles 9.5 0.7 22.3 0.6 23.4 2.7
750 to 999 miles 10.6 0.6 23.9 0.9 23.4 3.2
1,000 to 1,499 miles 16.2 2.4 18.0 1.0 17.2 5.3
1,500 to 1,999 miles 20.2 0.1 34.8 34.4 0.2
2,000 miles or more S S 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 6.8 12.8 13.5
Less than 50 miles 11.3 2.6 19.0 4.7 24.3 1.2
50 to 99 miles 12.1 0.7 17.3 1.1 17.0 0.4
100 to 249 miles 11.8 1.1 28.1 2.2 24.6 1.0
250 to 499 miles 17.8 1.6 37.6 3.6 37.4 5.0
500 to 749 miles 11.0 0.8 22.3 1.5 23.4 2.8
750 to 999 miles 10.9 0.6 23.9 1.1 23.4 3.2
1,000 to 1,499 miles 14.0 2.2 19.3 2.2 18.7 5.2
1,500 to 1,999 miles 24.9 0.1 35.5 35.0 0.2
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 7.2 13.9 18.4
Less than 50 miles 11.6 2.7 19.4 5.1 24.8 2.9
50 to 99 miles 12.4 0.9 23.3 1.8 23.1 1.3
100 to 249 miles 13.1 1.7 33.8 3.2 30.8 2.8
250 to 499 miles 13.5 1.2 46.3 2.5 47.0 5.4
500 to 749 miles 14.7 0.9 23.2 0.5 23.0 1.3
750 to 999 miles 12.8 0.5 41.3 0.6 42.9 2.5
1,000 to 1,499 miles 17.9 2.0 15.1 0.4 15.4 3.5
1,500 to 1,999 miles 25.1 0.1 40.5 39.9 0.9
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 10.0 20.8 23.5
Less than 50 miles 27.6 3.9 34.6 7.2 43.5 1.8
50 to 99 miles 27.1 2.3 41.0 4.0 40.6 2.1
100 to 249 miles 18.7 2.3 28.9 2.5 26.0 2.2
250 to 499 miles 20.4 3.5 S S S S
500 to 749 miles 17.5 2.0 32.1 1.5 32.0 1.6
750 to 999 miles 22.0 1.1 S S S S
1,000 to 1,499 miles 16.7 3.0 18.8 1.5 19.9 5.0
1,500 to 1,999 miles 27.5 0.3 41.1 0.2 40.4 1.4
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 7.7 13.0 13.1
Less than 50 miles 11.4 3.8 17.3 4.0 20.0 5.5
50 to 99 miles 8.0 0.9 17.3 1.6 13.0 2.0
100 to 249 miles 11.7 1.6 40.8 4.3 38.6 6.7
250 to 499 miles 15.2 1.0 36.6 0.5 37.5 2.4
500 to 749 miles 30.9 0.9 34.1 0.2 33.2 1.7
750 to 999 miles 27.6 0.6 33.7 0.2 35.2 1.8
1,000 to 1,499 miles 38.8 2.6 33.0 0.3 32.2 3.9
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 13.4 16.5 13.2
Less than 50 miles 43.5 0.3 S S 41.4
50 to 99 miles 35.0 0.3 40.7 2.5 41.3 0.4
100 to 249 miles 25.6 3.6 39.5 3.7 36.5 1.0
250 to 499 miles 33.2 5.6 44.3 7.5 44.4 6.1
500 to 749 miles 22.1 3.5 29.3 3.9 29.8 3.3
750 to 999 miles 21.8 2.2 31.7 3.0 30.6 4.3
1,000 to 1,499 miles 16.2 4.7 22.4 6.3 21.3 6.6
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 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 32.7 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 41.7 11.9 48.7 10.4
500 to 749 miles S S S S S S
750 to 999 miles S S 42.8 11.5 43.2 12.2
1,000 to 1,499 miles S S 44.1 15.0 45.4 12.7
1,500 to 1,999 miles S S S S S S
2,000 miles or more

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
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 14.3 S S S S
Less than 50 miles 35.6 3.7 S S 43.1 0.7
50 to 99 miles 32.0 3.2 30.8 3.5 27.6 1.1
100 to 249 miles 26.6 2.8 32.7 6.2 32.2 4.0
250 to 499 miles 29.4 1.8 38.0 3.0 38.3 1.3
500 to 749 miles 23.5 1.1 S S S S
750 to 999 miles 18.3 2.7 16.1 3.2 15.4 4.9
1,000 to 1,499 miles 16.4 2.7 S S S S
1,500 to 1,999 miles 48.3 0.6 S S 46.5 2.6
2,000 miles or more S S 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 14.2 26.0 27.8
Less than 50 miles 35.6 3.7 S S 43.1 0.6
50 to 99 miles 32.0 3.2 30.8 2.3 27.6 0.8
100 to 249 miles 26.6 2.9 32.7 4.5 32.2 3.4
250 to 499 miles 29.4 1.9 38.0 3.0 38.3 1.7
500 to 749 miles 23.4 1.1 46.6 2.4 S S
750 to 999 miles 18.3 2.6 16.1 3.4 15.4 3.7
1,000 to 1,499 miles 17.6 3.1 30.7 3.5 31.5 3.6
1,500 to 1,999 miles 48.3 0.6 S S 46.5 2.3
2,000 miles or more S S 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
250 to 499 miles
500 to 749 miles S S S S S S
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

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 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 S S S S S S
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
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 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 30.2 17.3 16.2
Less than 50 miles 21.9 13.2 17.4 0.4 21.7 8.6
50 to 99 miles 33.1 1.2 S S 48.8 0.1
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 43.5 0.2 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

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.