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 3.6 12.4 7.1
Less than 50 miles 9.9 2.3 18.3 3.9 23.9 1.5
50 to 99 miles 6.4 0.4 14.3 0.6 16.8 0.4
100 to 249 miles 5.7 0.9 8.5 1.8 9.3 1.4
250 to 499 miles 6.7 1.1 13.8 1.3 14.3 2.3
500 to 749 miles 5.9 0.7 9.4 0.6 8.4 1.6
750 to 999 miles 8.9 0.5 31.2 1.4 29.2 3.7
1,000 to 1,499 miles 9.2 0.1 10.1 9.8 0.5
1,500 to 1,999 miles 36.8 1.1 7.6 7.7 0.5
2,000 miles or more 16.0 0.4 14.7 14.5 0.9

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 4.3 12.1 7.5
Less than 50 miles 9.8 2.3 17.5 3.8 22.0 1.3
50 to 99 miles 5.7 0.3 14.4 0.6 17.0 0.5
100 to 249 miles 6.0 1.0 8.7 1.7 9.6 1.4
250 to 499 miles 6.9 1.2 14.6 1.3 15.1 2.4
500 to 749 miles 6.3 0.7 9.8 0.6 8.7 1.7
750 to 999 miles 10.8 0.5 31.8 1.5 29.7 3.7
1,000 to 1,499 miles 10.6 0.1 10.0 0.1 9.8 0.5
1,500 to 1,999 miles 43.0 1.2 8.0 8.2 0.6
2,000 miles or more 18.1 0.4 15.3 15.3 1.0

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 4.7 12.6 9.4
Less than 50 miles 10.0 2.3 17.4 4.0 22.3 1.7
50 to 99 miles 5.5 0.4 15.0 0.6 18.1 0.6
100 to 249 miles 6.3 1.2 9.1 1.5 9.2 1.7
250 to 499 miles 7.5 1.3 16.3 1.4 16.4 2.2
500 to 749 miles 8.4 0.7 12.2 0.6 10.8 1.2
750 to 999 miles 9.5 0.4 38.2 1.5 37.1 4.2
1,000 to 1,499 miles 11.2 0.2 14.6 0.1 14.3 0.5
1,500 to 1,999 miles 12.7 0.2 9.4 9.7 0.8
2,000 miles or more 21.5 0.4 13.9 13.8 0.9

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 5.0 10.7 12.5
Less than 50 miles 18.9 2.7 18.7 5.6 26.3 1.3
50 to 99 miles 9.8 0.4 19.6 0.8 21.2 0.5
100 to 249 miles 9.9 1.7 10.5 1.7 10.8 1.1
250 to 499 miles 8.5 2.0 19.6 2.4 19.7 2.4
500 to 749 miles 9.3 1.2 14.6 0.8 12.9 1.5
750 to 999 miles 9.6 0.6 41.7 2.7 40.6 4.8
1,000 to 1,499 miles 10.7 0.2 16.8 0.1 16.6 0.7
1,500 to 1,999 miles 12.9 0.4 9.7 0.1 10.0 1.1
2,000 miles or more 21.5 0.6 13.9 0.1 13.9 1.2

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 8.3 16.4 11.8
Less than 50 miles 9.0 3.6 19.1 3.3 21.1 2.7
50 to 99 miles 12.3 1.1 19.3 0.9 22.7 0.8
100 to 249 miles 9.4 1.9 16.1 1.8 16.3 3.5
250 to 499 miles 33.4 2.1 12.4 0.7 12.8 2.0
500 to 749 miles 17.8 0.8 16.5 0.3 17.3 1.9
750 to 999 miles 24.5 0.3 33.2 0.1 32.5 1.7
1,000 to 1,499 miles 48.5 0.4 36.8 37.0 0.6
1,500 to 1,999 miles 34.6 33.0 32.2
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 17.3 15.7 15.1
Less than 50 miles 45.4 4.3 30.8 3.2 18.1 0.1
50 to 99 miles 21.9 0.3 27.4 0.7 28.3 0.2
100 to 249 miles 15.6 4.1 21.8 5.6 26.2 3.1
250 to 499 miles 21.0 2.1 37.6 5.6 36.7 5.2
500 to 749 miles 30.9 7.7 20.7 4.6 21.5 4.4
750 to 999 miles 16.1 3.1 14.1 1.2 14.1 2.9
1,000 to 1,499 miles 16.5 0.4 17.7 0.6 17.6 1.8
1,500 to 1,999 miles 42.2 1.7 32.4 0.1 33.9 0.7
2,000 miles or more S S 23.6 0.5 22.9 1.6

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 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

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 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 S S S S S S
100 to 249 miles
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

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 S S 42.6 43.2
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles S S S S S S
250 to 499 miles 48.9 8.1 S S S S
500 to 749 miles 47.1 5.5 39.5 8.4 38.7 8.7
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

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 46.2 46.7 S S
Less than 50 miles 46.0 0.7 46.7 S S
50 to 99 miles S S
100 to 249 miles S S
250 to 499 miles S S S S 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 13.6 27.7 16.1
Less than 50 miles 29.8 2.2 28.3 1.5 32.6
50 to 99 miles 32.9 1.4 47.4 1.2 S S
100 to 249 miles 14.9 0.7 24.3 2.4 27.3 1.0
250 to 499 miles 12.6 1.4 S S S S
500 to 749 miles 15.0 1.2 18.1 4.7 20.6 3.2
750 to 999 miles 16.8 0.8 27.7 2.3 26.6 2.6
1,000 to 1,499 miles 16.6 0.5 16.5 0.3 17.6 0.4
1,500 to 1,999 miles 11.5 0.4 15.8 1.9 16.8 3.9
2,000 miles or more 23.4 0.6 41.1 2.3 36.5 5.5

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 14.6 11.4 11.0
Less than 50 miles 29.9 2.3 30.3 2.2 32.8
50 to 99 miles 33.0 1.5 48.0 4.3 S S
100 to 249 miles 15.0 0.8 16.3 2.1 15.5 1.0
250 to 499 miles 13.3 1.6 14.6 1.7 14.0 1.0
500 to 749 miles 17.0 1.2 12.8 1.8 12.7 1.7
750 to 999 miles 17.0 0.8 14.8 1.6 15.0 1.7
1,000 to 1,499 miles 16.7 0.5 17.3 0.5 18.6 0.9
1,500 to 1,999 miles 14.9 0.4 12.2 0.6 12.5 1.3
2,000 miles or more 23.8 0.5 18.7 0.3 18.7 1.0

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 29.4 47.6 27.9
Less than 50 miles
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 38.1 8.5 35.0 7.9 35.9 5.6
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 28.1 10.8 22.1 13.0 22.4 11.7
2,000 miles or more 48.5 4.4 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 47.5 S S 48.5
Less than 50 miles S S S S S S
50 to 99 miles
100 to 249 miles
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 47.1 7.0 47.0 10.2 49.0 6.1

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 21.4 47.2 20.0
Less than 50 miles 45.5 8.4 S S S S
50 to 99 miles 48.6 1.4 S S S S
100 to 249 miles 27.3 2.4 35.8 7.5 36.5 5.8
250 to 499 miles 47.8 3.0 39.6 4.6 39.4 6.1
500 to 749 miles 40.8 4.4 35.3 3.1 35.3 3.6
750 to 999 miles S S 46.6 2.0 46.5 3.7
1,000 to 1,499 miles 44.6 0.3 41.0 1.1 40.5 3.7
1,500 to 1,999 miles 32.0 1.8 37.2 0.3 37.6 1.8
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.