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 8.5 5.1 6.6
Less than 50 miles 16.4 3.4 7.7 3.0 15.0 0.9
50 to 99 miles 18.9 1.3 11.8 1.1 11.3 0.6
100 to 249 miles 14.2 1.6 15.4 2.8 14.7 3.7
250 to 499 miles 5.3 1.6 12.6 1.0 13.1 2.8
500 to 749 miles 10.9 1.0 11.2 0.2 12.3 1.0
750 to 999 miles 8.4 0.4 32.2 0.4 33.1 2.0
1,000 to 1,499 miles 8.5 0.3 11.7 11.9 0.6
1,500 to 1,999 miles 27.1 0.3 27.6 28.7 0.4
2,000 miles or more 28.1 0.8 16.0 0.1 16.7 1.6

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 9.9 4.7 5.8
Less than 50 miles 17.9 3.4 7.5 3.0 15.0 0.9
50 to 99 miles 20.6 1.4 12.4 1.1 12.1 0.6
100 to 249 miles 15.9 1.8 15.4 2.8 14.7 3.7
250 to 499 miles 6.6 1.6 10.9 0.9 11.1 2.6
500 to 749 miles 10.0 0.9 11.4 0.2 12.5 1.2
750 to 999 miles 8.8 0.4 32.7 0.4 33.6 2.0
1,000 to 1,499 miles 12.2 0.4 12.1 12.2 0.6
1,500 to 1,999 miles 37.9 0.3 29.1 30.2 0.4
2,000 miles or more 37.6 0.9 19.6 0.1 20.1 1.7

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 10.5 5.0 5.9
Less than 50 miles 18.0 3.4 7.6 3.0 17.5 2.3
50 to 99 miles 21.4 1.4 15.4 1.3 15.6 1.2
100 to 249 miles 16.7 1.9 17.4 2.5 14.3 3.2
250 to 499 miles 7.0 1.7 8.0 0.4 7.7 1.7
500 to 749 miles 10.0 0.9 8.6 0.2 8.3 0.9
750 to 999 miles 9.9 0.4 45.1 0.6 46.4 3.2
1,000 to 1,499 miles 13.9 0.4 10.3 10.2 0.5
1,500 to 1,999 miles 41.1 0.4 31.6 31.9 0.6
2,000 miles or more 41.6 0.9 18.5 0.1 18.6 2.1

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 9.3 8.4 8.2
Less than 50 miles 43.6 5.3 13.5 3.8 33.7 2.8
50 to 99 miles 15.2 1.4 19.1 1.5 17.9 0.9
100 to 249 miles 11.3 2.1 26.8 3.9 20.4 3.7
250 to 499 miles 6.8 2.3 7.7 0.9 7.6 2.1
500 to 749 miles 11.4 1.4 11.0 0.4 10.9 1.2
750 to 999 miles 9.9 0.8 47.9 1.1 49.3 3.8
1,000 to 1,499 miles 13.9 0.5 9.7 9.4 0.7
1,500 to 1,999 miles 46.1 0.5 38.6 39.0 0.7
2,000 miles or more 42.2 1.8 18.9 0.2 19.1 2.7

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 19.3 7.9 13.1
Less than 50 miles 19.9 3.7 8.8 2.7 7.3 2.4
50 to 99 miles 25.0 1.5 15.3 1.8 16.4 2.9
100 to 249 miles 33.9 2.8 19.2 1.2 18.1 2.2
250 to 499 miles 18.5 1.2 19.6 0.3 19.7 1.9
500 to 749 miles 18.5 0.3 33.7 0.2 33.7 1.8
750 to 999 miles 22.7 22.3 23.2 0.5
1,000 to 1,499 miles 37.4 0.2 29.6 30.4 0.5
1,500 to 1,999 miles 47.4 0.1 S S S S
2,000 miles or more S S 40.7 41.4 1.0

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 13.7 12.6 11.0
Less than 50 miles 30.4 1.3 31.9 3.1 30.8 0.5
50 to 99 miles 37.0 0.9 46.9 1.5 S S
100 to 249 miles 13.2 5.1 20.5 6.6 20.4 5.8
250 to 499 miles 21.0 5.8 14.8 5.1 14.9 4.7
500 to 749 miles 22.9 0.9 25.3 1.7 25.8 2.9
750 to 999 miles 44.0 0.9 34.0 0.5 34.5 1.4
1,000 to 1,499 miles 24.6 1.0 37.1 0.3 35.0 0.9
1,500 to 1,999 miles S S S S S S
2,000 miles or more 33.5 1.4 S S S S

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 46.6 45.7
Less than 50 miles S S 49.9 11.5 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
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 49.7 48.1
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
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
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

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 16.3 12.0 16.7
Less than 50 miles
50 to 99 miles 47.5 4.5 S S 45.7 1.6
100 to 249 miles 38.2 3.3 29.9 5.0 41.5 4.4
250 to 499 miles 24.8 5.0 22.9 5.7 22.6 5.1
500 to 749 miles 31.3 5.1 44.3 3.5 45.5 3.8
750 to 999 miles S S S S S S
1,000 to 1,499 miles 28.2 2.1 32.3 2.8 35.2 4.1
1,500 to 1,999 miles S S S S S S
2,000 miles or more 37.3 4.2 38.8 6.6 39.1 8.0

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
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

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 16.5 46.1 42.9
Less than 50 miles 20.8 2.3 19.6 2.5 28.2 0.1
50 to 99 miles 30.9 1.9 S S 42.5 7.7
100 to 249 miles 24.5 1.8 40.3 4.5 49.4 2.0
250 to 499 miles 22.7 2.6 S S S S
500 to 749 miles 34.9 2.0 24.9 2.1 24.8 2.3
750 to 999 miles 18.7 1.0 14.9 0.9 14.5 1.2
1,000 to 1,499 miles 9.2 1.1 15.7 1.1 16.5 1.7
1,500 to 1,999 miles S S 22.9 0.4 23.4 1.4
2,000 miles or more 40.5 4.8 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 18.4 15.5 12.9
Less than 50 miles 21.5 2.3 21.4 1.7 34.0 0.1
50 to 99 miles 31.5 2.0 24.7 1.0 23.8 0.2
100 to 249 miles 23.4 1.7 14.4 1.9 13.2 0.7
250 to 499 miles 23.9 1.7 20.2 1.4 20.9 1.6
500 to 749 miles 34.9 2.2 24.9 1.6 24.8 2.0
750 to 999 miles 18.7 0.9 14.9 0.8 14.5 0.9
1,000 to 1,499 miles 9.2 1.0 15.7 0.7 16.5 1.4
1,500 to 1,999 miles S S 22.9 0.6 23.4 1.8
2,000 miles or more 14.3 1.6 15.1 1.4 16.5 3.3

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 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
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

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 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 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 S S S S S S
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 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

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 15.0 S S 34.3
Less than 50 miles 21.8 7.8 S S 37.8 4.3
50 to 99 miles 49.2 5.9 47.7 5.5 48.0 3.8
100 to 249 miles 24.5 3.9 45.1 2.6 47.7 4.2
250 to 499 miles 37.6 5.3 39.5 2.2 40.6 5.7
500 to 749 miles 31.1 0.6 24.8 0.5 24.8 3.8
750 to 999 miles S S S S S S
1,000 to 1,499 miles S S 48.0 48.2 2.1
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.