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 4.7 9.4 17.1
Less than 50 miles 7.4 2.1 14.3 3.5 13.1 1.2
50 to 99 miles 6.4 0.4 18.0 2.7 18.0 1.6
100 to 249 miles 9.3 1.2 17.1 1.9 16.9 2.0
250 to 499 miles 8.1 1.4 18.4 0.8 19.0 1.4
500 to 749 miles 9.6 0.5 26.6 1.0 25.4 3.0
750 to 999 miles 9.8 0.4 13.1 0.2 12.9 1.2
1,000 to 1,499 miles 18.9 1.5 39.1 1.4 38.7 4.8
1,500 to 1,999 miles 14.0 0.3 33.1 0.2 34.5 1.1
2,000 miles or more 16.1 1.2 20.9 0.2 31.6 1.9

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 5.2 9.2 14.9
Less than 50 miles 7.9 2.5 13.8 3.6 13.0 1.2
50 to 99 miles 9.7 0.7 18.5 2.7 18.5 1.7
100 to 249 miles 10.2 1.3 18.2 1.9 18.0 1.6
250 to 499 miles 9.7 1.3 19.0 0.8 19.6 1.3
500 to 749 miles 11.0 0.7 27.1 1.0 25.9 3.0
750 to 999 miles 10.2 0.4 13.7 0.2 13.5 1.2
1,000 to 1,499 miles 21.1 1.5 37.1 1.3 37.1 5.4
1,500 to 1,999 miles 15.2 0.3 34.5 0.2 36.1 1.0
2,000 miles or more 16.2 0.9 15.0 0.1 15.2 1.2

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 4.8 9.6 11.8
Less than 50 miles 7.8 2.6 14.0 3.8 13.1 1.2
50 to 99 miles 9.6 0.7 18.6 2.7 18.4 1.7
100 to 249 miles 11.0 1.5 19.0 1.9 19.1 1.4
250 to 499 miles 10.4 1.3 19.1 0.9 20.1 1.4
500 to 749 miles 11.6 0.7 28.9 1.1 27.8 3.5
750 to 999 miles 10.2 0.4 16.1 0.2 16.0 1.0
1,000 to 1,499 miles 23.2 1.4 24.0 0.4 22.6 2.2
1,500 to 1,999 miles 15.5 0.3 19.4 18.9 0.5
2,000 miles or more 18.3 1.0 14.9 0.1 15.0 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 9.2 12.9 12.5
Less than 50 miles 11.8 1.1 20.9 6.1 20.8 0.5
50 to 99 miles 15.4 0.7 35.2 5.9 34.1 2.1
100 to 249 miles 14.2 1.8 23.3 2.2 23.9 1.5
250 to 499 miles 10.7 2.2 16.2 1.0 17.9 1.3
500 to 749 miles 12.9 1.1 31.3 5.2 30.3 5.0
750 to 999 miles 11.8 0.7 16.4 0.5 16.7 1.2
1,000 to 1,499 miles 24.4 1.7 24.8 0.5 23.2 2.4
1,500 to 1,999 miles 14.9 0.5 18.6 0.1 18.1 0.6
2,000 miles or more 18.3 1.7 16.0 0.4 16.0 1.9

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 8.4 15.8 14.2
Less than 50 miles 10.2 2.5 18.9 3.7 15.7 4.1
50 to 99 miles 15.1 1.1 25.2 1.4 25.9 1.7
100 to 249 miles 11.8 2.3 27.0 2.5 25.1 5.2
250 to 499 miles 20.8 0.9 32.5 0.8 31.5 2.3
500 to 749 miles 13.7 0.2 31.3 0.2 30.1 1.6
750 to 999 miles 26.9 0.1 36.0 35.3 1.1
1,000 to 1,499 miles 25.9 0.3 34.3 33.4 1.5
1,500 to 1,999 miles S S 47.3 46.7 0.3
2,000 miles or more 27.6 30.8 30.6 1.2

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 25.6 29.2 27.4
Less than 50 miles S S S S S S
50 to 99 miles 48.9 0.1 S S S S
100 to 249 miles 37.9 4.2 S S S S
250 to 499 miles 22.3 5.9 42.9 6.4 42.4 5.4
500 to 749 miles 41.9 4.6 42.1 6.0 42.1 7.3
750 to 999 miles S S S S S S
1,000 to 1,499 miles S S 40.8 6.4 43.3 8.5
1,500 to 1,999 miles 43.9 2.2 S S S S
2,000 miles or more S S 48.0 1.6 47.2 4.0

Water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 43.6 S S 40.2
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles 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
1,000 to 1,499 miles 48.6 5.6 48.0 11.0 47.9 14.6
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 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

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 45.4 39.6
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
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
1,000 to 1,499 miles 48.6 12.5 48.0 12.2 47.9 14.7
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 17.7 S S S S
Less than 50 miles
50 to 99 miles S S 45.3 0.7 45.4 0.5
100 to 249 miles S S S S S S
250 to 499 miles 21.9 5.0 S S S S
500 to 749 miles 23.9 3.5 27.2 7.8 29.6 5.9
750 to 999 miles 38.8 1.7 31.8 3.2 31.7 2.6
1,000 to 1,499 miles 36.8 5.1 S S S S
1,500 to 1,999 miles 39.0 1.6 30.0 2.1 30.7 2.9
2,000 miles or more 22.3 3.4 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 50.0 47.0 S S
Less than 50 miles 33.1 17.7 39.5 17.1 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 S S 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 11.9 40.8 S S
Less than 50 miles 16.7 1.5 30.4 4.5 43.6 0.4
50 to 99 miles 19.6 1.3 16.6 1.4 18.6 0.3
100 to 249 miles 18.0 1.5 22.6 3.4 18.7 1.2
250 to 499 miles 27.8 4.1 10.5 1.5 10.4 1.0
500 to 749 miles 11.5 0.7 38.9 3.1 42.0 3.5
750 to 999 miles 12.2 0.9 26.2 2.7 31.9 4.5
1,000 to 1,499 miles 23.4 2.3 S S S S
1,500 to 1,999 miles 20.4 0.7 26.1 2.0 25.2 3.4
2,000 miles or more 23.9 2.3 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 12.0 12.1 12.7
Less than 50 miles 15.3 1.1 15.5 2.2 17.3 0.1
50 to 99 miles 22.5 1.3 19.5 1.1 19.1 0.1
100 to 249 miles 18.9 2.1 26.9 2.6 23.3 1.0
250 to 499 miles 28.0 4.0 11.6 1.4 11.5 0.9
500 to 749 miles 10.0 0.8 6.5 1.3 6.6 1.4
750 to 999 miles 11.3 1.0 21.1 1.5 20.5 1.7
1,000 to 1,499 miles 13.6 1.4 21.3 1.6 20.9 2.5
1,500 to 1,999 miles 20.9 0.7 31.9 0.8 33.8 1.8
2,000 miles or more 27.1 2.3 14.7 1.2 14.4 2.9

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 41.0 24.7 23.5
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 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 S S 49.1 7.7 48.1 6.7
2,000 miles or more 37.4 12.1 31.5 9.4 32.1 9.6

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 S S 37.6 10.7 35.2 11.4
250 to 499 miles S S S S S S
500 to 749 miles S S S S 46.7 10.0
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 S S S S S S
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
50 to 99 miles
100 to 249 miles
250 to 499 miles
500 to 749 miles
750 to 999 miles S S S S S S
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 21.1 30.6 31.5
Less than 50 miles 29.7 5.9 37.2 10.5 34.6 5.4
50 to 99 miles S S S S S S
100 to 249 miles 28.0 2.2 S S S S
250 to 499 miles 17.8 2.8 47.2 2.0 48.4 3.9
500 to 749 miles 46.4 2.4 39.1 0.5 44.0 1.2
750 to 999 miles S S 34.1 1.0 32.1 4.5
1,000 to 1,499 miles S S 39.8 3.2 39.6 7.2
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.