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 16.2 9.4 14.7
Less than 50 miles 12.9 3.0 22.3 5.5 16.0 0.9
50 to 99 miles 21.9 1.0 19.1 1.3 22.1 0.7
100 to 249 miles 13.4 1.9 15.7 3.5 16.4 2.7
250 to 499 miles 18.9 1.9 22.1 3.4 21.4 3.0
500 to 749 miles 35.5 2.4 17.4 1.4 18.2 2.4
750 to 999 miles 38.8 0.9 32.1 0.7 32.7 2.1
1,000 to 1,499 miles 14.8 0.2 25.1 0.1 29.3 0.7
1,500 to 1,999 miles 27.7 0.7 25.3 0.2 27.7 1.3
2,000 miles or more 36.2 0.2 37.0 36.6 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 18.6 9.4 15.5
Less than 50 miles 13.9 3.1 7.4 3.7 11.3 0.7
50 to 99 miles 24.3 1.0 19.5 1.8 22.5 0.7
100 to 249 miles 15.8 2.2 15.7 3.2 16.4 2.9
250 to 499 miles 21.9 1.9 22.3 3.3 21.7 3.1
500 to 749 miles 40.6 2.7 19.4 1.4 20.5 2.8
750 to 999 miles 43.2 0.8 34.9 0.5 37.0 1.4
1,000 to 1,499 miles 17.4 0.2 26.1 0.1 30.3 0.7
1,500 to 1,999 miles 32.9 0.7 26.4 0.2 28.8 1.4
2,000 miles or more 41.7 0.2 38.4 38.4 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 20.5 6.2 17.8
Less than 50 miles 14.4 3.3 7.0 4.3 11.6 1.2
50 to 99 miles 24.6 1.1 16.4 1.7 15.6 1.2
100 to 249 miles 15.9 1.8 13.4 1.7 11.7 2.5
250 to 499 miles 23.4 2.0 32.3 2.8 32.6 4.5
500 to 749 miles 44.9 2.9 36.6 1.4 35.6 2.3
750 to 999 miles 48.1 0.9 41.3 0.5 40.0 1.2
1,000 to 1,499 miles 19.1 0.2 17.0 16.6 0.6
1,500 to 1,999 miles 35.6 0.8 19.2 0.2 18.5 1.8
2,000 miles or more 43.8 0.2 38.6 38.6 0.9

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 27.6 12.2 20.6
Less than 50 miles 29.9 3.9 14.7 4.3 17.3 0.9
50 to 99 miles 16.8 0.7 20.9 2.1 18.9 1.1
100 to 249 miles 21.7 1.9 12.1 2.4 11.0 2.0
250 to 499 miles 27.3 1.4 33.4 3.2 34.1 5.0
500 to 749 miles 49.3 3.0 40.5 2.0 39.7 2.6
750 to 999 miles S S 45.0 0.7 43.8 1.3
1,000 to 1,499 miles 21.7 0.4 15.5 0.1 15.2 0.7
1,500 to 1,999 miles 23.7 0.8 20.2 0.3 19.4 2.0
2,000 miles or more 30.6 0.3 44.5 0.1 44.6 1.2

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 26.1 6.1 13.9
Less than 50 miles 15.5 5.1 8.3 4.0 14.5 3.3
50 to 99 miles 39.1 1.7 15.0 1.5 16.3 1.8
100 to 249 miles 24.3 2.1 23.4 2.2 20.7 3.5
250 to 499 miles S S 30.1 1.4 28.0 3.7
500 to 749 miles S S 27.4 0.2 28.7 1.4
750 to 999 miles 32.7 0.2 36.4 37.1 0.9
1,000 to 1,499 miles 42.8 0.6 37.5 37.3 0.7
1,500 to 1,999 miles S S 28.4 28.8 0.8
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 14.8 23.1 23.6
Less than 50 miles 38.5 1.3 S S S S
50 to 99 miles 44.4 1.5 S S S S
100 to 249 miles 20.3 3.5 25.5 5.0 24.3 3.6
250 to 499 miles 15.2 5.0 28.9 5.0 27.6 5.1
500 to 749 miles 25.7 3.8 30.4 3.0 32.0 4.3
750 to 999 miles 28.6 1.2 S S S S
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 34.8 1.6 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 S S 30.3 23.8
Less than 50 miles S S S S 38.7 0.3
50 to 99 miles S S S S S S
100 to 249 miles S S 46.0 11.7 36.4 10.3
250 to 499 miles S S S S S S
500 to 749 miles 39.2 12.1 44.8 8.7 45.3 12.0
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
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 30.3 23.8
Less than 50 miles S S S S 38.7 0.3
50 to 99 miles S S S S S S
100 to 249 miles S S 46.0 11.7 36.4 10.3
250 to 499 miles S S S S S S
500 to 749 miles 39.2 12.1 44.8 8.7 45.3 12.0
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
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 43.8 22.3 24.2
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 29.3 1.4 26.6 0.6 37.8 0.4
250 to 499 miles 29.3 11.2 35.0 8.5 28.9 7.4
500 to 749 miles 42.9 5.2 32.8 6.5 30.9 6.4
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 46.1 3.8 33.3 3.2 33.6 5.4
2,000 miles or more S S 45.8 1.6 42.6 4.9

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 34.5 34.0 S S
Less than 50 miles 34.6 10.4 34.0 10.5 S S
50 to 99 miles 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
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 20.3 30.6 34.2
Less than 50 miles 27.7 1.4 S S 29.8
50 to 99 miles 34.2 1.7 27.0 0.8 26.5 0.1
100 to 249 miles 28.8 1.9 45.3 6.8 43.2 5.4
250 to 499 miles 28.7 2.7 33.2 6.8 40.4 7.1
500 to 749 miles 19.2 1.8 S S S S
750 to 999 miles 25.7 3.2 S S S S
1,000 to 1,499 miles 17.9 1.2 37.3 0.2 36.5 0.4
1,500 to 1,999 miles 17.0 1.6 21.7 4.0 22.8 7.6
2,000 miles or more 30.3 0.2 30.1 0.3 28.0 0.9

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 22.3 19.2 20.9
Less than 50 miles 27.7 2.1 26.8 1.0 25.7
50 to 99 miles 34.2 1.7 27.0 2.1 26.5 0.4
100 to 249 miles 29.7 1.7 17.9 1.7 18.6 0.6
250 to 499 miles 28.9 2.3 17.3 1.9 17.2 1.5
500 to 749 miles 21.2 1.8 24.9 1.9 24.8 1.7
750 to 999 miles 22.3 1.0 22.2 0.9 22.2 1.1
1,000 to 1,499 miles 19.0 1.4 42.6 0.6 42.0 1.3
1,500 to 1,999 miles 23.7 1.2 23.6 1.0 22.7 2.5
2,000 miles or more 30.8 0.3 32.5 0.3 31.9 1.2

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 18.9 43.9 46.9
Less than 50 miles
50 to 99 miles
100 to 249 miles 43.6 8.2 S S S S
250 to 499 miles S S S S S S
500 to 749 miles 35.8 6.1 S S S S
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 26.7 11.8 30.9 12.4 31.1 15.9
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 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 S S S S S S
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
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

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
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 24.7 S S S S
Less than 50 miles 34.4 8.3 S S S S
50 to 99 miles S S 47.7 4.7 48.4 7.4
100 to 249 miles 43.5 5.3 37.3 2.6 39.3 4.5
250 to 499 miles 40.6 2.6 25.3 1.8 24.9 4.2
500 to 749 miles 23.3 6.8 S S S S
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

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.