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 6.5 11.0 15.7
Less than 50 miles 7.0 0.8 18.6 6.2 15.4 0.9
50 to 99 miles 12.3 1.0 31.5 2.4 31.8 1.0
100 to 249 miles 8.3 1.7 19.1 3.0 16.9 2.5
250 to 499 miles 5.4 1.3 19.3 2.2 23.4 2.7
500 to 749 miles 8.4 1.0 21.6 1.3 20.6 1.5
750 to 999 miles 27.3 2.0 13.3 0.4 13.6 0.7
1,000 to 1,499 miles 20.8 0.7 18.8 0.1 21.1 0.4
1,500 to 1,999 miles 28.7 1.4 18.4 0.2 18.4 1.5
2,000 miles or more 26.6 0.2 24.7 23.7 0.3

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 11.1 16.4
Less than 50 miles 8.2 0.9 18.8 6.2 15.5 1.0
50 to 99 miles 14.0 1.1 31.8 2.5 32.2 1.1
100 to 249 miles 9.5 2.0 19.7 3.1 18.3 2.6
250 to 499 miles 5.4 1.4 19.3 2.2 23.6 2.6
500 to 749 miles 8.4 1.2 22.8 1.3 22.0 1.8
750 to 999 miles 32.5 2.3 13.5 0.4 13.8 0.9
1,000 to 1,499 miles 23.5 0.7 18.7 0.1 21.4 0.4
1,500 to 1,999 miles 32.6 1.6 21.2 0.1 21.2 1.4
2,000 miles or more 33.6 0.2 21.9 21.8 0.2

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 7.2 11.3 8.3
Less than 50 miles 6.7 1.3 17.4 5.2 15.8 1.0
50 to 99 miles 14.1 1.2 32.3 2.7 32.6 1.6
100 to 249 miles 9.9 2.1 19.1 2.6 15.2 2.4
250 to 499 miles 6.2 1.5 6.8 1.7 7.1 1.7
500 to 749 miles 10.0 1.1 9.3 1.0 9.9 1.6
750 to 999 miles 35.7 2.6 14.7 0.4 15.3 1.1
1,000 to 1,499 miles 26.1 0.8 17.4 0.1 17.3 0.6
1,500 to 1,999 miles 39.3 1.7 20.7 0.2 20.6 1.5
2,000 miles or more 30.2 0.2 24.4 24.4 0.3

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 10.8 9.2 7.6
Less than 50 miles 9.8 1.0 22.6 6.2 25.3 0.9
50 to 99 miles 15.7 0.9 12.4 1.7 12.4 0.6
100 to 249 miles 7.4 2.2 9.0 1.9 7.6 1.6
250 to 499 miles 6.9 2.0 4.9 1.9 5.3 1.2
500 to 749 miles 10.1 1.1 8.1 1.3 8.4 1.2
750 to 999 miles 36.5 2.9 16.0 0.7 16.8 1.1
1,000 to 1,499 miles 26.3 1.0 17.7 0.2 17.6 0.7
1,500 to 1,999 miles 39.4 1.9 20.8 0.4 20.7 1.6
2,000 miles or more 30.1 0.3 24.5 24.5 0.5

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 9.2 15.1 19.0
Less than 50 miles 5.8 3.5 17.6 6.0 12.6 3.2
50 to 99 miles 15.8 1.8 S S S S
100 to 249 miles 17.7 2.3 31.4 3.7 27.9 4.9
250 to 499 miles 22.4 2.1 23.6 1.4 24.9 4.0
500 to 749 miles 23.7 1.2 36.3 0.6 37.7 3.3
750 to 999 miles 33.4 0.4 29.8 0.1 30.0 0.9
1,000 to 1,499 miles 38.6 47.9 46.5 0.2
1,500 to 1,999 miles S S 47.5 46.6 0.1
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 24.0 38.2 32.4
Less than 50 miles 41.7 0.8 44.9 0.7 47.3
50 to 99 miles 40.2 0.3 46.7 0.7 44.9
100 to 249 miles S S S S S S
250 to 499 miles 37.4 8.1 33.3 7.5 31.6 6.4
500 to 749 miles 45.2 5.4 39.1 3.1 38.8 3.1
750 to 999 miles 18.1 3.1 28.7 2.1 27.7 3.0
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 45.5 5.2 32.8 0.6 33.5 1.8
2,000 miles or more 37.7 0.2 47.1 0.1 46.5 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 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 46.9 18.3 S S
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 S S S S S S
50 to 99 miles
100 to 249 miles
250 to 499 miles S S 46.9 18.3 S S
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 22.6 S S S S
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 36.2 1.2 S S 27.6 1.1
250 to 499 miles 35.3 3.9 S S S S
500 to 749 miles 26.2 4.4 S S S S
750 to 999 miles 16.6 2.0 S S 49.2 2.5
1,000 to 1,499 miles 29.3 1.4 S S S S
1,500 to 1,999 miles 32.3 2.7 37.0 2.8 35.0 5.3
2,000 miles or more S S 43.0 0.6 40.5 1.6

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 S S 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 9.1 30.4 33.5
Less than 50 miles 32.1 1.9 35.5 0.6 46.1
50 to 99 miles 27.7 0.7 20.8 0.4 22.7
100 to 249 miles 12.2 1.5 S S S S
250 to 499 miles 11.9 1.6 12.8 3.4 13.8 2.0
500 to 749 miles 15.2 2.6 24.7 3.7 29.2 3.2
750 to 999 miles 15.3 1.8 24.2 3.0 24.6 3.2
1,000 to 1,499 miles 19.7 1.5 35.1 1.3 38.4 1.9
1,500 to 1,999 miles 12.3 0.7 40.6 2.3 38.4 3.1
2,000 miles or more 21.9 0.2 S S 48.2 2.0

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 10.4 13.6 17.9
Less than 50 miles 32.1 2.1 35.5 2.5 46.1 0.1
50 to 99 miles 27.7 0.7 20.8 0.6 22.7 0.1
100 to 249 miles 12.8 1.4 19.2 1.7 18.9 0.6
250 to 499 miles 13.4 3.0 15.6 2.3 15.3 2.1
500 to 749 miles 15.9 2.4 18.5 2.3 18.4 2.3
750 to 999 miles 14.3 2.1 28.2 2.9 28.8 2.7
1,000 to 1,499 miles 22.7 1.7 35.5 1.3 34.8 1.6
1,500 to 1,999 miles 15.8 0.8 27.2 1.5 25.5 2.6
2,000 miles or more 27.0 0.2 25.1 0.3 23.8 0.9

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 S S 32.5 38.4
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles 34.4 8.0 29.4 6.6 29.3 3.3
500 to 749 miles S S 45.2 5.8 48.7 4.2
750 to 999 miles S S 40.9 3.5 43.3 3.5
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 40.0 11.7 48.8 7.7 45.5 6.5
2,000 miles or more S S 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 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
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
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 14.6 26.1 35.3
Less than 50 miles 17.6 6.6 22.3 5.2 24.1 0.3
50 to 99 miles 38.2 5.2 49.6 4.4 48.4 3.0
100 to 249 miles 27.9 4.1 19.9 2.8 20.0 3.0
250 to 499 miles 31.5 4.7 S S S S
500 to 749 miles 30.4 1.8 46.0 6.8 48.6 9.5
750 to 999 miles 34.9 0.9 44.9 0.5 44.2 1.3
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 32.9 0.4 26.4 0.4 26.2 3.9
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.