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 3.4 8.0 24.7
Less than 50 miles 9.9 2.7 25.9 9.8 27.4 1.6
50 to 99 miles 7.9 0.7 16.6 0.5 17.4 0.3
100 to 249 miles 8.7 1.5 18.6 0.8 19.9 1.2
250 to 499 miles 5.6 0.5 15.6 0.5 15.8 1.6
500 to 749 miles 15.1 1.4 28.4 6.9 29.8 6.3
750 to 999 miles 12.9 1.0 24.2 4.0 24.1 4.6
1,000 to 1,499 miles 14.0 1.1 30.2 1.6 30.9 5.4
1,500 to 1,999 miles 20.6 1.3 S S S S
2,000 miles or more 16.5 0.2 37.9 37.0 0.6

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 3.7 14.2 26.1
Less than 50 miles 10.1 2.8 28.8 7.5 26.2 0.8
50 to 99 miles 9.8 0.7 16.8 1.2 17.8 0.3
100 to 249 miles 9.6 1.7 18.2 1.9 19.4 1.3
250 to 499 miles 5.9 0.5 15.7 0.8 15.9 1.7
500 to 749 miles 16.4 1.5 28.4 6.5 29.8 6.2
750 to 999 miles 15.6 1.2 25.1 3.5 24.9 4.1
1,000 to 1,499 miles 16.6 1.1 28.6 2.4 29.8 5.6
1,500 to 1,999 miles 22.7 1.5 S S S S
2,000 miles or more 25.3 0.2 38.3 0.2 37.4 0.6

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 5.8 13.2 13.0
Less than 50 miles 9.9 2.1 19.4 3.5 23.6 1.1
50 to 99 miles 8.1 0.8 15.9 2.0 16.9 1.0
100 to 249 miles 10.2 1.9 19.2 2.4 20.7 4.1
250 to 499 miles 6.8 0.8 17.8 1.5 18.0 3.9
500 to 749 miles 20.5 1.0 27.1 1.2 26.8 2.7
750 to 999 miles 21.9 0.9 22.0 0.8 22.9 2.9
1,000 to 1,499 miles 15.4 0.5 26.2 0.4 25.1 2.0
1,500 to 1,999 miles 21.4 0.6 23.4 0.3 23.2 1.8
2,000 miles or more 32.2 0.1 46.2 0.1 45.8 1.0

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 11.2 14.9 18.1
Less than 50 miles 43.7 5.1 41.2 6.7 38.8 0.8
50 to 99 miles 16.5 1.4 24.6 3.7 24.2 1.0
100 to 249 miles 11.1 2.8 12.1 1.3 14.8 1.7
250 to 499 miles 11.2 2.6 21.3 5.5 22.8 4.6
500 to 749 miles 17.5 1.4 29.3 2.2 29.1 3.1
750 to 999 miles 12.7 1.2 22.0 0.8 21.4 1.9
1,000 to 1,499 miles 16.6 1.6 28.9 1.2 27.8 2.6
1,500 to 1,999 miles 22.5 1.7 27.8 0.6 28.0 2.1
2,000 miles or more 32.3 0.3 39.8 0.2 39.7 0.8

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 7.3 17.7 13.3
Less than 50 miles 10.0 2.3 22.6 3.8 24.8 2.9
50 to 99 miles 11.8 1.3 24.7 2.1 25.9 1.4
100 to 249 miles 12.7 2.2 30.3 3.1 31.7 6.9
250 to 499 miles 18.1 1.3 31.0 0.9 30.1 5.0
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 31.3 0.1 35.0 0.2 36.2 1.8
1,500 to 1,999 miles 33.5 0.3 38.9 0.1 38.9 1.8
2,000 miles or more 39.6 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 11.3 22.2 27.9
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles 30.4 0.8 24.1 1.6 25.7 0.4
250 to 499 miles 27.9 1.0 30.9 1.5 33.9 0.9
500 to 749 miles 23.1 7.0 28.8 7.7 30.2 6.9
750 to 999 miles 17.7 4.9 25.8 4.6 25.5 4.9
1,000 to 1,499 miles 27.5 4.1 32.2 5.1 33.3 6.8
1,500 to 1,999 miles 31.0 1.2 S S S S
2,000 miles or more 30.7 0.5 43.7 0.4 42.1 0.6

Water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances
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

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
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 40.6 46.4 46.3
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 S S S S S S
750 to 999 miles S S S S S S
1,000 to 1,499 miles 47.4 8.4 S S S S
1,500 to 1,999 miles 43.1 14.3 45.6 15.0 45.5 14.9
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
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 17.4 S S S S
Less than 50 miles 42.7 3.2 26.5 3.3 24.6
50 to 99 miles 45.1 1.5 S S S S
100 to 249 miles 25.1 3.0 S S S S
250 to 499 miles 23.9 1.7 42.6 3.7 36.8 1.9
500 to 749 miles 23.6 1.7 S S S S
750 to 999 miles 18.1 2.2 S S S S
1,000 to 1,499 miles 25.2 2.4 S S S S
1,500 to 1,999 miles 24.0 1.6 S S S S
2,000 miles or more 36.4 1.3 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 18.3 27.3 19.5
Less than 50 miles 42.7 3.8 25.3 4.1 21.3
50 to 99 miles 45.1 1.5 S S S S
100 to 249 miles 27.8 3.0 34.9 4.4 33.9 2.6
250 to 499 miles 24.0 1.7 38.7 2.4 33.5 2.5
500 to 749 miles 23.6 1.9 36.1 2.1 35.8 2.2
750 to 999 miles 18.3 1.8 20.4 1.2 19.5 1.3
1,000 to 1,499 miles 25.6 2.7 19.6 1.7 19.4 3.3
1,500 to 1,999 miles 24.4 1.8 22.8 1.8 23.2 2.7
2,000 miles or more 30.0 0.6 21.2 0.2 20.8 0.5

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 38.7 48.7
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 S S S S S S
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 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

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 14.9 S S 45.8
Less than 50 miles 20.1 7.6 S S S S
50 to 99 miles 42.3 4.2 S S S S
100 to 249 miles 30.4 3.0 29.8 3.2 32.3 7.7
250 to 499 miles S S 46.6 0.7 48.7 4.6
500 to 749 miles 45.5 0.4 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 41.3 46.8 0.5
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.