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 13.6 8.2 12.8
Less than 50 miles 8.1 1.7 11.3 3.4 12.2 1.5
50 to 99 miles 10.2 0.9 12.6 1.0 15.2 1.3
100 to 249 miles 9.8 1.4 18.4 1.3 21.8 2.1
250 to 499 miles 10.2 1.0 9.6 0.6 10.4 1.8
500 to 749 miles 44.3 2.6 24.6 1.2 25.0 2.2
750 to 999 miles 15.4 0.6 23.5 0.4 23.8 1.2
1,000 to 1,499 miles 16.4 1.3 19.5 0.6 27.8 3.0
1,500 to 1,999 miles 18.3 0.4 31.8 0.2 28.9 1.4
2,000 miles or more 43.6 1.8 20.2 0.3 20.7 2.2

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 16.9 8.9 9.4
Less than 50 miles 9.6 2.2 11.8 3.5 12.6 1.5
50 to 99 miles 12.4 1.1 12.7 1.0 15.4 1.3
100 to 249 miles 9.8 1.6 18.9 1.4 22.4 2.1
250 to 499 miles 12.4 1.1 10.2 0.7 11.0 2.0
500 to 749 miles S S 25.2 1.3 25.5 2.4
750 to 999 miles 20.2 0.7 23.9 0.4 24.3 1.2
1,000 to 1,499 miles 26.6 1.7 18.5 0.5 18.5 2.1
1,500 to 1,999 miles 12.9 0.2 36.1 0.2 33.1 1.8
2,000 miles or more S S 22.1 0.3 21.7 2.5

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 17.6 7.4 10.5
Less than 50 miles 9.9 2.4 9.4 2.8 12.6 1.5
50 to 99 miles 11.8 1.2 12.0 1.0 11.0 0.7
100 to 249 miles 8.8 1.6 9.6 0.5 12.8 0.9
250 to 499 miles 14.3 1.2 7.8 0.5 7.5 1.4
500 to 749 miles S S 13.8 0.5 14.6 1.4
750 to 999 miles 21.3 0.8 23.2 0.4 23.5 1.4
1,000 to 1,499 miles 27.6 1.8 21.4 0.6 21.3 2.3
1,500 to 1,999 miles 13.1 0.2 36.2 0.2 34.5 1.6
2,000 miles or more S S 21.3 0.3 20.7 2.6

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 24.6 15.9 12.4
Less than 50 miles 21.4 1.1 22.0 5.6 28.7 1.6
50 to 99 miles 14.4 1.5 14.3 1.8 14.7 0.5
100 to 249 miles 8.2 2.2 14.7 1.4 19.0 0.8
250 to 499 miles 15.7 1.7 10.9 0.8 10.8 1.5
500 to 749 miles S S 14.4 0.9 15.1 1.3
750 to 999 miles 22.1 1.6 15.9 0.5 16.1 0.9
1,000 to 1,499 miles 27.9 2.2 23.9 1.1 23.9 2.8
1,500 to 1,999 miles 15.6 0.4 18.2 0.2 17.8 1.4
2,000 miles or more S S 18.7 0.5 18.6 3.0

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 6.7 15.4 27.9
Less than 50 miles 7.0 2.9 15.6 2.0 18.6 4.0
50 to 99 miles 15.1 1.3 23.9 1.4 21.6 2.7
100 to 249 miles 18.2 1.6 17.8 0.4 18.7 1.8
250 to 499 miles 24.4 0.8 20.6 0.4 22.2 2.4
500 to 749 miles 28.8 0.8 20.0 0.2 20.2 2.3
750 to 999 miles 34.1 0.3 S S S S
1,000 to 1,499 miles 43.6 0.6 S S S S
1,500 to 1,999 miles S S S S S S
2,000 miles or more 36.2 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 39.6 26.0 35.0
Less than 50 miles 34.7 6.2 33.1 9.9 41.6 0.6
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 41.2 8.5 40.5 10.1
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 27.5 4.3 23.3 2.3 23.8 5.6
1,500 to 1,999 miles S S S S S S
2,000 miles or more S S 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 29.2 30.3 38.1
Less than 50 miles 35.0 10.8 35.0 10.0 S S
50 to 99 miles 35.2 8.6 29.1 8.0 28.2 8.7
100 to 249 miles 48.7 5.9 47.3 6.7 S S
250 to 499 miles S S S S S S
500 to 749 miles
750 to 999 miles S S S S S S
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 29.9 31.8 42.5
Less than 50 miles 34.7 10.0 34.4 9.4 44.2 10.2
50 to 99 miles 41.3 11.3 35.2 10.6 36.9 13.2
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

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 39.1 43.3 41.5
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 S S S S S S
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 16.5 S S S S
Less than 50 miles
50 to 99 miles 17.8 2.2 S S S S
100 to 249 miles 37.5 3.1 37.2 6.4 50.0 5.3
250 to 499 miles 46.5 2.6 28.4 2.2 23.0 1.5
500 to 749 miles 36.4 4.3 S S S S
750 to 999 miles 26.3 2.7 38.0 3.1 37.1 4.0
1,000 to 1,499 miles 24.8 3.2 28.6 3.0 30.8 4.1
1,500 to 1,999 miles 32.9 0.6 S S S S
2,000 miles or more 18.0 5.3 40.6 8.5 38.1 11.8

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 33.1 39.0 S S
Less than 50 miles 34.2 9.3 40.9 9.7 S S
50 to 99 miles S S S S S S
100 to 249 miles 45.8 2.8 46.2 3.1 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 S S S S
1,500 to 1,999 miles S S S S 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 16.1 35.2 S S
Less than 50 miles 28.3 2.0 45.7 3.9 S S
50 to 99 miles 12.4 0.8 22.2 2.2 29.0 0.5
100 to 249 miles 13.0 1.5 12.4 2.3 10.5 0.8
250 to 499 miles 13.2 1.6 17.3 1.8 15.8 1.3
500 to 749 miles 25.2 3.0 21.8 2.4 23.1 2.3
750 to 999 miles 22.8 1.1 17.4 1.7 17.1 2.5
1,000 to 1,499 miles 28.9 1.9 S S S S
1,500 to 1,999 miles 30.8 1.7 S S S S
2,000 miles or more 18.6 1.3 27.2 3.0 29.0 9.6

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 16.3 13.3 9.1
Less than 50 miles 28.6 2.0 28.4 2.4 23.7 0.2
50 to 99 miles 12.6 0.9 23.2 1.5 27.0 0.3
100 to 249 miles 13.0 1.5 12.4 1.4 10.5 0.5
250 to 499 miles 13.4 1.7 18.1 0.9 16.6 0.9
500 to 749 miles 25.3 3.1 18.3 1.8 18.6 1.3
750 to 999 miles 22.9 1.2 18.4 1.2 18.0 1.3
1,000 to 1,499 miles 28.6 1.9 16.8 1.1 16.2 1.8
1,500 to 1,999 miles 33.8 1.7 14.6 0.4 14.6 1.0
2,000 miles or more 19.3 1.3 9.3 1.4 9.1 3.5

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 48.0 47.9
Less than 50 miles
50 to 99 miles
100 to 249 miles
250 to 499 miles
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 49.6 6.7 49.9 4.7
1,500 to 1,999 miles S S S S S S
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 45.2 41.5 33.7
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 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

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 S S S S S S
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 21.9 38.4 S S
Less than 50 miles 28.5 7.7 42.9 9.0 41.0 3.0
50 to 99 miles 41.5 2.1 31.9 2.5 32.0 2.7
100 to 249 miles S S S S S S
250 to 499 miles 45.7 3.1 41.5 3.6 43.3 8.2
500 to 749 miles 40.4 0.9 S S S S
750 to 999 miles S S S S S S
1,000 to 1,499 miles 23.5 1.3 45.0 2.0 47.6 6.4
1,500 to 1,999 miles 34.1 1.0 S S S S
2,000 miles or more 43.6 2.8 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.