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 21.2 15.7
Less than 50 miles 8.2 1.8 33.4 8.1 29.4 4.0
50 to 99 miles 12.5 1.0 21.8 4.8 22.4 3.4
100 to 249 miles 13.4 1.6 8.8 1.8 10.3 1.6
250 to 499 miles 8.3 0.7 13.8 0.8 13.6 1.0
500 to 749 miles 7.6 0.6 22.1 0.5 22.4 0.9
750 to 999 miles 9.9 0.8 36.8 1.3 36.1 3.0
1,000 to 1,499 miles 8.9 0.5 22.9 0.4 22.4 1.2
1,500 to 1,999 miles 9.9 0.3 33.7 0.3 33.1 1.5
2,000 miles or more 16.4 1.3 23.7 0.4 24.5 3.2

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 6.3 22.5 10.6
Less than 50 miles 10.4 2.3 35.0 7.9 29.8 4.2
50 to 99 miles 12.8 1.1 22.2 5.2 22.8 3.4
100 to 249 miles 16.1 2.7 8.8 1.8 9.7 1.6
250 to 499 miles 8.5 0.8 13.1 0.8 13.3 1.0
500 to 749 miles 9.1 0.8 22.0 0.5 21.0 1.0
750 to 999 miles 8.0 0.7 36.3 1.3 35.2 4.0
1,000 to 1,499 miles 13.8 0.8 26.9 0.3 25.9 1.4
1,500 to 1,999 miles 17.8 0.5 33.8 0.2 33.1 1.6
2,000 miles or more 27.5 1.8 19.7 0.2 19.7 3.1

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 7.9 23.6 11.1
Less than 50 miles 11.8 2.1 35.0 7.4 29.9 4.2
50 to 99 miles 12.7 1.1 18.4 4.1 19.1 2.6
100 to 249 miles 13.9 2.3 8.8 2.0 9.7 1.7
250 to 499 miles 11.0 0.8 13.1 0.8 13.3 1.0
500 to 749 miles 9.1 1.0 22.7 0.6 21.6 1.1
750 to 999 miles 8.2 0.9 36.3 1.5 35.2 4.4
1,000 to 1,499 miles 12.9 0.7 27.0 0.3 26.0 1.3
1,500 to 1,999 miles 22.9 0.6 33.9 0.2 33.3 1.7
2,000 miles or more 35.4 1.9 20.0 0.2 20.0 3.0

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 7.7 23.6 15.2
Less than 50 miles 15.2 2.1 49.8 8.3 40.8 3.2
50 to 99 miles 16.7 1.6 36.7 4.5 36.0 3.1
100 to 249 miles 17.6 3.3 17.9 3.2 17.5 1.5
250 to 499 miles 10.5 1.1 15.4 1.7 15.2 1.4
500 to 749 miles 10.8 1.5 24.4 1.0 22.9 1.3
750 to 999 miles 8.5 1.4 41.2 2.3 40.3 5.0
1,000 to 1,499 miles 14.3 1.2 28.0 0.6 26.9 1.6
1,500 to 1,999 miles 24.1 0.9 35.3 0.5 34.8 2.2
2,000 miles or more 38.3 2.6 21.6 0.7 21.7 4.2

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 12.6 29.8 16.2
Less than 50 miles 11.6 2.7 33.4 3.8 28.7 5.3
50 to 99 miles 18.3 2.0 15.7 2.9 14.9 3.0
100 to 249 miles 33.1 2.3 22.3 1.3 22.1 3.3
250 to 499 miles 22.3 0.7 34.8 0.1 33.3 0.6
500 to 749 miles 34.3 0.8 S S S S
750 to 999 miles 31.5 1.0 42.0 0.3 44.5 3.9
1,000 to 1,499 miles S S 47.4 46.0 1.2
1,500 to 1,999 miles 35.8 0.1 39.6 41.1 0.4
2,000 miles or more 39.8 0.6 22.0 22.2 1.8

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
50 to 99 miles S S S S S S
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 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 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
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
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 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
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 23.9 18.2 22.9
Less than 50 miles
50 to 99 miles S S 47.5 1.0 S S
100 to 249 miles 47.4 8.1 40.0 9.7 36.4 5.9
250 to 499 miles 30.7 3.5 S S S S
500 to 749 miles 29.4 3.1 29.6 1.3 31.4 1.4
750 to 999 miles 37.9 1.1 S S S S
1,000 to 1,499 miles 45.1 3.5 S S S S
1,500 to 1,999 miles 39.5 1.8 31.4 1.5 31.9 2.5
2,000 miles or more 30.3 5.0 30.6 5.8 30.4 7.9

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances S S S S S S
Less than 50 miles 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 S S 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 13.2 14.1 15.7
Less than 50 miles 22.6 2.0 24.7 3.3 25.4 0.2
50 to 99 miles 20.2 1.2 28.6 2.3 29.4 0.4
100 to 249 miles 15.1 1.7 18.9 2.3 19.5 1.0
250 to 499 miles 20.0 1.7 19.1 1.0 17.2 0.7
500 to 749 miles 9.9 0.8 12.6 0.4 13.2 0.6
750 to 999 miles 22.6 2.4 16.7 0.8 16.8 1.3
1,000 to 1,499 miles 15.7 0.8 20.3 1.7 19.2 2.1
1,500 to 1,999 miles 14.0 0.6 19.8 1.5 19.7 2.3
2,000 miles or more 16.3 1.9 19.4 3.0 21.2 4.9

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 13.3 15.1 18.0
Less than 50 miles 22.6 2.0 24.7 3.2 25.4 0.2
50 to 99 miles 20.2 1.2 28.6 2.2 29.4 0.4
100 to 249 miles 15.1 1.7 18.9 2.4 19.5 0.9
250 to 499 miles 20.0 1.7 19.1 1.2 17.2 0.7
500 to 749 miles 9.9 0.8 12.6 0.4 13.2 0.5
750 to 999 miles 22.6 2.4 16.7 0.7 16.8 1.1
1,000 to 1,499 miles 15.7 0.8 20.0 1.8 18.8 2.0
1,500 to 1,999 miles 14.0 0.6 19.8 1.5 19.7 2.2
2,000 miles or more 15.8 1.8 21.7 1.3 24.6 3.1

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
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 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 48.0 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
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

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
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 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 24.8 S S S S
Less than 50 miles 24.0 5.6 S S S S
50 to 99 miles 36.4 5.6 39.9 5.7 38.2 3.0
100 to 249 miles 26.0 5.6 39.9 7.0 46.4 5.1
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 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.