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 5.4 7.8 9.4
Less than 50 miles 9.8 2.7 11.5 3.1 12.0 0.6
50 to 99 miles 17.0 1.2 13.2 1.5 12.6 0.7
100 to 249 miles 6.2 0.7 14.5 2.5 13.8 2.7
250 to 499 miles 7.5 1.0 15.7 1.6 19.7 3.5
500 to 749 miles 11.3 1.3 16.9 0.6 15.8 2.0
750 to 999 miles 6.9 0.2 17.8 0.1 16.4 0.4
1,000 to 1,499 miles 18.0 1.0 18.1 0.2 19.5 1.8
1,500 to 1,999 miles 10.3 0.4 13.0 0.1 13.4 1.1
2,000 miles or more 30.5 0.2 31.0 29.9 0.2

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 7.1 7.8 8.7
Less than 50 miles 10.5 2.9 12.3 3.4 12.3 0.8
50 to 99 miles 19.2 1.3 13.3 1.7 12.7 0.8
100 to 249 miles 7.6 0.6 15.4 2.6 15.1 2.7
250 to 499 miles 10.4 1.4 10.3 1.0 10.9 1.7
500 to 749 miles 12.2 1.0 19.2 0.6 18.2 2.0
750 to 999 miles 7.3 0.2 19.8 0.1 18.5 0.7
1,000 to 1,499 miles 13.8 0.6 18.9 0.2 20.1 2.1
1,500 to 1,999 miles 12.9 0.4 15.0 15.6 1.0
2,000 miles or more 32.5 41.6 42.0 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 7.7 8.3 10.3
Less than 50 miles 10.9 2.9 10.2 2.4 12.4 1.0
50 to 99 miles 19.4 1.3 13.5 1.6 12.7 1.2
100 to 249 miles 8.1 0.7 14.4 1.7 13.9 1.6
250 to 499 miles 10.3 1.5 10.2 0.7 10.0 1.6
500 to 749 miles 12.8 0.9 18.8 0.6 17.9 1.9
750 to 999 miles 8.3 0.2 23.4 0.2 22.2 1.2
1,000 to 1,499 miles 16.7 0.6 23.3 0.2 24.7 2.7
1,500 to 1,999 miles 12.5 0.3 16.9 0.1 17.7 1.2
2,000 miles or more 36.4 40.0 40.1 0.2

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 11.0 11.5 11.8
Less than 50 miles 23.6 4.9 17.3 3.1 25.8 0.7
50 to 99 miles 34.9 2.2 16.5 1.2 17.8 0.5
100 to 249 miles 9.8 1.1 9.3 1.9 8.8 1.1
250 to 499 miles 11.0 2.1 12.2 0.9 11.7 1.7
500 to 749 miles 13.6 1.4 20.3 1.0 19.2 2.0
750 to 999 miles 11.6 0.4 25.0 0.5 23.8 1.9
1,000 to 1,499 miles 14.6 0.8 22.5 0.9 24.6 3.4
1,500 to 1,999 miles 14.6 0.6 19.1 0.2 19.9 1.4
2,000 miles or more 37.9 40.1 40.3 0.3

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 5.2 11.6 11.9
Less than 50 miles 7.6 1.6 13.5 3.1 16.3 2.9
50 to 99 miles 4.7 1.2 20.7 2.6 19.6 3.2
100 to 249 miles 11.2 1.3 25.2 2.2 26.6 4.6
250 to 499 miles 13.9 0.8 9.3 0.2 7.2 1.0
500 to 749 miles 13.1 0.3 42.9 0.2 43.8 1.9
750 to 999 miles 32.6 0.2 25.6 23.4 0.7
1,000 to 1,499 miles S S S S 48.6 1.7
1,500 to 1,999 miles 36.3 0.2 23.3 23.0 1.3
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 18.4 20.5 16.3
Less than 50 miles 24.3 1.9 28.5 0.7 29.8
50 to 99 miles 46.0 0.4 48.9 5.0 48.1 0.9
100 to 249 miles 23.4 3.0 29.0 8.5 28.5 6.4
250 to 499 miles 18.4 2.7 32.0 3.2 33.3 3.9
500 to 749 miles 21.6 4.5 31.1 3.4 28.7 4.1
750 to 999 miles 21.6 1.0 17.6 0.5 18.0 1.3
1,000 to 1,499 miles 32.5 1.6 49.4 3.7 S S
1,500 to 1,999 miles S S 27.6 1.2 28.3 3.3
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 40.8 29.1 28.5
Less than 50 miles S S 35.2 3.1 S S
50 to 99 miles S S S S S S
100 to 249 miles 49.4 8.9 37.0 5.9 39.7 6.3
250 to 499 miles S S 26.7 5.7 27.6 6.3
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 40.6 30.6 29.4
Less than 50 miles 38.6 6.6 42.0 6.5 S S
50 to 99 miles S S S S S S
100 to 249 miles 49.5 13.0 38.0 7.8 40.5 6.6
250 to 499 miles 49.8 9.5 27.7 5.7 28.6 6.6
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 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

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 28.7 32.6 31.0
Less than 50 miles
50 to 99 miles S S 40.6 0.3 35.7 0.2
100 to 249 miles 37.6 3.0 34.6 4.9 34.8 3.2
250 to 499 miles 29.7 6.2 37.8 3.7 37.8 2.2
500 to 749 miles 35.3 6.3 46.7 5.8 46.1 5.1
750 to 999 miles 31.8 3.5 31.5 1.2 31.3 1.2
1,000 to 1,499 miles 38.4 4.0 34.5 4.7 35.6 6.2
1,500 to 1,999 miles 33.4 4.0 34.7 2.6 35.3 5.3
2,000 miles or more 45.1 0.6 48.3 0.3 44.4 1.0

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 44.2 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
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 11.6 29.9 31.7
Less than 50 miles 13.7 1.3 28.6 1.1 37.2
50 to 99 miles 21.5 1.8 18.7 0.3 19.1
100 to 249 miles 12.5 2.3 S S S S
250 to 499 miles 13.2 3.6 37.1 9.4 42.1 9.7
500 to 749 miles 21.2 2.5 37.2 1.9 33.9 1.7
750 to 999 miles 18.0 0.8 15.0 0.9 15.5 1.4
1,000 to 1,499 miles 27.7 2.7 30.0 1.4 33.2 2.4
1,500 to 1,999 miles 27.5 1.4 18.9 1.5 19.1 4.3
2,000 miles or more 49.3 0.9 S S 49.9 0.8

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 7.9 17.1 17.5
Less than 50 miles 13.9 1.9 24.2 3.2 30.7 0.4
50 to 99 miles 21.6 1.8 13.5 2.1 13.1 0.4
100 to 249 miles 11.8 1.5 23.8 2.2 24.4 0.9
250 to 499 miles 21.5 3.1 43.7 4.7 49.6 5.8
500 to 749 miles 14.4 2.0 13.9 1.6 14.1 1.8
750 to 999 miles 22.5 0.5 18.7 0.7 19.6 1.2
1,000 to 1,499 miles 27.2 1.9 14.8 1.1 15.0 2.7
1,500 to 1,999 miles 23.1 1.5 27.8 1.1 28.5 3.4
2,000 miles or more 23.4 0.2 43.3 0.5 42.2 1.6

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 26.7 22.3 22.5
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 24.0 10.9 28.3 7.7 35.7 5.8
500 to 749 miles 32.2 5.8 30.8 3.8 29.6 2.4
750 to 999 miles 24.5 2.1 18.0 2.3 18.1 2.6
1,000 to 1,499 miles 33.5 4.8 33.8 4.4 34.4 5.5
1,500 to 1,999 miles 35.1 3.1 25.5 3.5 25.4 5.6
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 39.1 S S S S
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
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 39.1 39.7 45.2
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles 39.2 10.4 39.9 10.3 44.4 10.2
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 S S S S S S

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 S S S S S S
250 to 499 miles
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 S S S S S S
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 37.9 40.8 31.3
Less than 50 miles 39.8 8.9 41.4 6.4 48.6 2.6
50 to 99 miles 36.1 3.2 S S S S
100 to 249 miles 41.1 1.8 S S S S
250 to 499 miles 31.3 5.0 40.4 3.7 35.9 4.9
500 to 749 miles S S 41.0 2.6 44.1 7.5
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 42.8 0.4 43.4 2.6
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.