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 6.1 21.7 8.0
Less than 50 miles 16.3 3.2 42.2 5.7 42.7 0.9
50 to 99 miles 8.6 0.8 15.3 1.4 16.3 0.3
100 to 249 miles 8.1 0.8 15.1 1.2 16.8 0.5
250 to 499 miles 9.4 1.2 17.6 2.1 19.9 3.1
500 to 749 miles 8.9 0.6 12.4 2.4 14.1 2.7
750 to 999 miles 8.6 0.7 21.5 1.7 23.6 3.9
1,000 to 1,499 miles 6.2 0.7 19.2 2.1 19.0 4.8
1,500 to 1,999 miles 18.0 0.6 S S S S
2,000 miles or more S S S S S S

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 7.8 24.6 9.1
Less than 50 miles 19.7 3.8 42.5 5.8 42.9 1.1
50 to 99 miles 9.1 1.0 15.4 1.7 16.4 0.5
100 to 249 miles 8.4 0.8 15.3 1.4 17.5 0.6
250 to 499 miles 11.5 1.4 29.7 1.6 33.2 1.8
500 to 749 miles 12.4 0.8 9.6 1.7 9.0 2.3
750 to 999 miles 10.0 0.7 18.1 1.4 21.6 4.2
1,000 to 1,499 miles 7.5 0.7 19.8 2.5 19.6 6.1
1,500 to 1,999 miles 20.4 0.4 S S S S
2,000 miles or more 28.9 41.9 43.9

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 8.9 35.7 22.1
Less than 50 miles 20.6 3.9 49.9 6.1 S S
50 to 99 miles 9.3 1.2 13.5 2.1 14.9 0.9
100 to 249 miles 8.1 0.9 19.4 1.9 21.5 1.5
250 to 499 miles 13.0 1.2 16.9 1.2 15.8 1.6
500 to 749 miles 12.9 0.8 27.5 0.8 30.1 1.5
750 to 999 miles 12.7 0.7 24.5 0.7 24.3 2.4
1,000 to 1,499 miles 9.3 0.8 17.9 0.7 18.7 2.7
1,500 to 1,999 miles 26.4 0.5 S S S S
2,000 miles or more S S S S S S

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 8.8 22.8 27.5
Less than 50 miles 12.2 2.0 27.9 3.3 23.7 0.3
50 to 99 miles 13.9 1.4 24.6 2.5 26.7 1.1
100 to 249 miles 11.9 0.6 29.5 1.1 31.2 0.6
250 to 499 miles 13.1 1.3 16.5 1.5 15.6 1.7
500 to 749 miles 14.3 1.0 28.9 0.9 31.6 1.3
750 to 999 miles 12.3 0.6 27.7 0.9 27.4 2.7
1,000 to 1,499 miles 8.5 1.2 19.8 1.4 20.9 3.9
1,500 to 1,999 miles 26.1 0.6 S S S S
2,000 miles or more S S S S S S

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 17.4 S S 37.4
Less than 50 miles 25.5 4.0 S S S S
50 to 99 miles 11.9 1.7 20.9 2.2 21.7 2.8
100 to 249 miles 14.1 1.7 29.8 2.0 28.1 4.5
250 to 499 miles 19.0 0.9 28.0 0.8 24.8 3.5
500 to 749 miles 19.4 0.7 21.1 0.2 19.0 1.6
750 to 999 miles 20.9 0.4 S S S S
1,000 to 1,499 miles 26.7 0.5 28.9 0.2 28.8 3.7
1,500 to 1,999 miles 34.8 0.1 S S S S
2,000 miles or more

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 20.4 9.4 19.6
Less than 50 miles S S 19.6 5.3 29.6 0.9
50 to 99 miles 28.2 1.5 28.9 4.2 29.0 1.9
100 to 249 miles 36.8 3.2 39.0 2.5 47.4 1.2
250 to 499 miles 43.3 3.7 47.4 3.9 S S
500 to 749 miles 13.6 3.7 22.9 4.8 22.9 7.5
750 to 999 miles 34.8 1.1 36.7 0.9 36.1 1.3
1,000 to 1,499 miles 28.3 4.4 28.2 4.7 27.9 8.1
1,500 to 1,999 miles 20.7 0.8 21.2 0.2 21.1 0.8
2,000 miles or more

Water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 19.6 16.8 18.9
Less than 50 miles 38.2 1.3 44.7 6.4 49.6 0.1
50 to 99 miles
100 to 249 miles
250 to 499 miles S S S S S S
500 to 749 miles 23.0 7.7 21.0 8.7 18.7 9.1
750 to 999 miles 44.3 11.6 47.0 10.5 48.2 11.2
1,000 to 1,499 miles 30.7 12.4 32.2 10.1 32.2 12.8
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 20.4 18.4 20.3
Less than 50 miles 45.4 1.1 45.8 6.8 49.7 0.1
50 to 99 miles
100 to 249 miles
250 to 499 miles S S S S S S
500 to 749 miles 38.8 8.2 37.0 8.7 38.4 9.5
750 to 999 miles 44.3 12.0 47.0 11.0 48.2 11.7
1,000 to 1,499 miles 30.7 13.9 32.2 13.5 32.2 14.6
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 31.0 30.9 31.1
Less than 50 miles
50 to 99 miles
100 to 249 miles
250 to 499 miles
500 to 749 miles 31.0 30.9 31.1
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
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 22.2 16.4 15.4
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 30.7 0.4 S S 41.0 0.5
250 to 499 miles 45.6 5.6 32.9 5.2 38.0 2.5
500 to 749 miles 34.2 1.9 22.7 3.3 22.2 2.2
750 to 999 miles 24.7 5.7 20.5 4.2 21.1 4.5
1,000 to 1,499 miles 25.6 5.7 21.1 3.3 20.0 4.1
1,500 to 1,999 miles 36.7 1.5 40.4 2.2 40.1 4.2
2,000 miles or more 35.8 0.7 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
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 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 8.1 14.7 16.5
Less than 50 miles 20.0 2.6 S S S S
50 to 99 miles 17.2 0.8 29.5 0.1 29.0
100 to 249 miles 15.5 1.8 32.7 0.1 S S
250 to 499 miles 8.1 1.0 30.2 12.4 30.4 12.3
500 to 749 miles 14.4 1.5 45.9 8.0 46.6 6.9
750 to 999 miles 15.3 1.6 38.6 6.7 41.9 9.0
1,000 to 1,499 miles 10.9 1.5 30.3 0.4 30.9 0.6
1,500 to 1,999 miles 27.7 1.8 36.6 0.1 39.8 0.3
2,000 miles or more S S 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 9.0 18.9 14.3
Less than 50 miles 21.5 2.8 31.9 3.5 28.9 0.2
50 to 99 miles 17.2 0.9 29.5 1.3 29.0 0.2
100 to 249 miles 15.6 1.9 35.3 2.2 36.5 1.0
250 to 499 miles 7.3 1.0 23.5 0.9 22.8 0.7
500 to 749 miles 15.8 1.7 25.8 1.1 26.1 1.4
750 to 999 miles 16.5 1.3 16.1 1.7 16.7 1.8
1,000 to 1,499 miles 11.8 1.7 13.8 2.4 15.3 2.4
1,500 to 1,999 miles 27.9 1.8 10.1 1.2 10.3 2.3
2,000 miles or more 22.0 18.6 24.0 0.3

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
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 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 49.3 45.3
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 S S S S S S
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 17.7 15.6 17.7
Less than 50 miles
50 to 99 miles
100 to 249 miles
250 to 499 miles 35.4 13.6 30.6 13.4 30.6 13.8
500 to 749 miles 43.0 9.0 47.6 8.8 48.5 7.7
750 to 999 miles 41.5 8.2 40.5 7.9 43.7 9.2
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 29.2 25.1 32.7
Less than 50 miles 38.3 6.9 42.0 9.4 49.0 4.4
50 to 99 miles 31.3 2.0 39.4 1.5 41.3 1.0
100 to 249 miles S S 40.9 3.8 44.2 3.3
250 to 499 miles 34.5 1.2 36.6 0.6 38.6 3.9
500 to 749 miles 26.8 2.3 49.4 12.3 49.6 15.2
750 to 999 miles S S S S S S
1,000 to 1,499 miles 41.2 6.4 S S S S
1,500 to 1,999 miles S S S S S S
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.