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 9.2 14.7 S S
Less than 50 miles 9.6 3.4 12.0 2.9 12.2 3.7
50 to 99 miles 22.2 1.1 30.3 1.3 44.7 2.9
100 to 249 miles 27.9 2.5 26.1 0.7 19.3 2.6
250 to 499 miles 37.9 43.2 1.2 43.1 7.4
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 15.4 1.0 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 12.9 12.0 21.7
Less than 50 miles 11.9 4.4 12.4 0.8 11.9 8.2
50 to 99 miles 37.7 1.3 27.0 0.5 27.5 2.7
100 to 249 miles 47.3 3.3 34.4 0.5 33.6 3.1
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 33.2 0.5 S S S S

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 11.3 8.4 5.9
Less than 50 miles 11.4 0.8 8.9 0.7 7.7 4.3
50 to 99 miles 39.4 0.8 28.9 0.7 28.5 4.3
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

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 39.5 25.9 27.1
Less than 50 miles 40.4 2.0 26.4 0.7 29.6 4.5
50 to 99 miles 41.2 2.0 44.0 0.7 44.3 4.5
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

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 13.9 16.3 10.0
Less than 50 miles 13.8 1.0 16.8 0.9 10.6 4.4
50 to 99 miles 45.0 1.0 32.4 0.9 31.6 4.4
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

Rail

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

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 38.1 48.7
Less than 50 miles S S S S S S
50 to 99 miles S S 46.9 5.4 48.6 3.2
100 to 249 miles S S 36.0 12.8 35.9 9.7
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

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
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 38.1 48.7
Less than 50 miles S S S S S S
50 to 99 miles S S 46.9 5.4 48.6 3.2
100 to 249 miles S S 36.0 12.8 35.9 9.7
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

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 27.4 32.8 20.4
Less than 50 miles
50 to 99 miles 32.9 3.3 23.8 4.4 47.4 5.5
100 to 249 miles 26.7 6.6 49.4 9.0 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 45.7 7.8 24.4 6.7 20.8 9.6

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 23.0 21.1 S S
Less than 50 miles 23.1 0.5 21.2 0.4 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
1,500 to 1,999 miles S S
2,000 miles or more S S S S 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 12.4 38.8 S S
Less than 50 miles 32.4 5.0 S S S S
50 to 99 miles 17.5 3.6 44.7 7.8 S S
100 to 249 miles 13.6 3.3 34.0 5.5 24.7 3.1
250 to 499 miles 39.8 0.5 43.3 7.2 43.2 10.2
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 21.0 4.2 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 27.0 17.2 31.6
Less than 50 miles 43.7 7.9 28.4 6.9 45.1 3.4
50 to 99 miles 21.8 4.2 21.4 2.0 19.3 2.0
100 to 249 miles 22.5 2.9 19.5 4.9 18.0 2.3
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 33.4 7.5 39.3 3.4 35.6 6.0

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
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

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 13.7 42.9 S S
Less than 50 miles 44.2 0.4 48.8 0.5 S S
50 to 99 miles 27.7 4.6 S S S S
100 to 249 miles 18.8 5.7 19.6 6.4 20.3 2.3
250 to 499 miles 39.8 1.8 43.3 12.6 43.2 12.4
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 30.0 7.5 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 35.5 40.5 40.6
Less than 50 miles 45.0 11.3 S S S S
50 to 99 miles S S S S S S
100 to 249 miles 49.5 10.4 47.5 10.1 43.3 9.8
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 22.7 34.4 36.0
Less than 50 miles 23.4 4.7 38.1 9.0 29.0 10.5
50 to 99 miles S S S S S S
100 to 249 miles 30.8 1.7 S S 47.0 11.6
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 40.8 1.9 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.