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 6.0 9.6 15.8
Less than 50 miles 8.2 1.8 11.2 3.5 13.5 0.8
50 to 99 miles 14.1 1.8 17.7 1.7 16.9 0.7
100 to 249 miles 13.5 1.6 18.3 3.3 16.4 3.2
250 to 499 miles 11.1 1.4 15.9 0.9 18.3 2.9
500 to 749 miles 10.9 0.9 18.1 1.1 18.6 1.8
750 to 999 miles 12.0 0.5 33.8 0.8 36.4 2.5
1,000 to 1,499 miles 23.0 0.6 S S S S
1,500 to 1,999 miles 20.9 0.8 32.5 0.6 35.3 3.4
2,000 miles or more 27.7 0.4 36.6 0.2 36.2 1.6

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 7.4 10.3 15.9
Less than 50 miles 9.6 2.1 12.1 3.5 14.2 0.8
50 to 99 miles 16.2 1.9 17.8 2.0 17.1 0.7
100 to 249 miles 15.7 1.7 18.5 3.3 16.7 3.3
250 to 499 miles 12.8 1.6 15.8 0.8 18.3 2.9
500 to 749 miles 13.5 1.0 18.4 1.1 18.9 1.9
750 to 999 miles 15.1 0.5 34.1 0.9 36.6 2.6
1,000 to 1,499 miles 24.6 0.7 S S S S
1,500 to 1,999 miles 22.7 1.0 33.0 0.6 35.8 3.5
2,000 miles or more 35.9 0.5 37.1 0.2 37.0 1.6

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 7.6 11.1 13.5
Less than 50 miles 9.6 2.4 13.6 3.5 18.1 1.0
50 to 99 miles 16.6 2.0 17.8 1.8 17.3 0.7
100 to 249 miles 16.3 2.2 14.6 1.5 14.9 2.2
250 to 499 miles 16.3 1.7 12.7 0.9 11.9 1.4
500 to 749 miles 14.7 1.0 16.3 1.1 15.9 1.7
750 to 999 miles 8.7 0.4 18.3 0.5 18.1 2.2
1,000 to 1,499 miles 20.3 0.6 33.3 0.2 31.9 1.0
1,500 to 1,999 miles 25.4 0.9 32.6 0.2 34.2 2.1
2,000 miles or more 37.4 0.5 45.1 0.2 45.7 1.7

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 5.0 16.4 17.0
Less than 50 miles 20.4 2.3 27.0 5.4 24.6 0.8
50 to 99 miles 33.3 2.7 28.8 3.0 28.4 0.7
100 to 249 miles 12.0 1.6 21.4 2.1 20.6 1.9
250 to 499 miles 8.3 2.1 16.2 1.5 14.9 1.7
500 to 749 miles 11.3 1.4 18.7 1.7 18.2 2.0
750 to 999 miles 9.2 0.7 19.1 1.2 19.0 3.0
1,000 to 1,499 miles 21.2 1.1 35.5 0.3 34.0 1.2
1,500 to 1,999 miles 16.6 0.7 33.3 0.4 35.1 2.3
2,000 miles or more 26.2 0.3 49.9 0.3 S S

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 11.8 11.7 12.7
Less than 50 miles 10.2 4.3 15.9 4.0 22.9 3.3
50 to 99 miles 11.0 2.1 12.6 2.0 12.7 1.8
100 to 249 miles 24.0 3.6 21.3 2.5 22.1 3.7
250 to 499 miles 48.2 3.1 18.2 0.5 19.8 1.8
500 to 749 miles 29.6 1.2 19.1 0.4 19.0 2.3
750 to 999 miles 16.0 0.2 20.3 19.6 0.6
1,000 to 1,499 miles 31.7 0.1 28.5 28.3 0.7
1,500 to 1,999 miles S S S S S S
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 22.5 22.6 25.3
Less than 50 miles 26.6 0.8 31.6 3.8 33.4 0.7
50 to 99 miles 18.9 1.7 31.1 2.4 30.8 0.4
100 to 249 miles 24.8 3.2 43.3 7.2 34.5 5.9
250 to 499 miles 25.3 3.8 31.0 3.1 30.1 3.6
500 to 749 miles 18.1 4.8 29.8 2.2 29.5 3.6
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 37.2 3.1 S S S S
2,000 miles or more S S 38.5 40.1 0.5

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 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

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 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 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

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 23.8 12.9
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles 0.2 5.5 4.9
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 38.0 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 34.3 6.5 S S 43.6 8.7
750 to 999 miles S S S S S S
1,000 to 1,499 miles 39.2 6.4 35.2 2.6 34.1 3.7
1,500 to 1,999 miles S S S S S S
2,000 miles or more 35.3 6.0 S S 47.4 11.4

Pipeline (2)

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 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 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 16.3 48.8 27.8
Less than 50 miles 29.3 3.3 28.0 2.1 36.6 0.1
50 to 99 miles 35.1 3.6 35.1 2.6 33.1 0.4
100 to 249 miles 21.7 2.8 S S S S
250 to 499 miles 19.4 2.0 16.3 4.2 20.0 3.4
500 to 749 miles 21.0 4.2 18.4 5.0 19.5 4.0
750 to 999 miles 29.4 2.1 23.2 2.0 22.5 2.1
1,000 to 1,499 miles 35.4 0.7 19.9 0.5 18.6 0.8
1,500 to 1,999 miles 13.2 0.8 19.6 3.5 19.7 5.4
2,000 miles or more 36.0 1.8 26.5 1.7 26.6 3.5

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 16.8 16.8 16.6
Less than 50 miles 29.3 3.6 28.0 1.9 36.6 0.2
50 to 99 miles 35.1 3.7 35.3 2.6 33.3 0.6
100 to 249 miles 22.1 2.8 31.2 3.8 32.4 2.4
250 to 499 miles 19.7 2.1 15.4 1.9 14.4 1.3
500 to 749 miles 21.7 4.3 22.6 3.3 24.2 2.8
750 to 999 miles 29.7 2.2 32.1 2.0 32.0 2.5
1,000 to 1,499 miles 35.4 0.7 19.9 0.4 18.6 1.1
1,500 to 1,999 miles 14.9 0.8 43.2 1.3 44.2 4.6
2,000 miles or more 38.6 1.8 26.9 0.9 26.9 3.2

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 24.3 24.2 24.3
Less than 50 miles
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 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 28.5 11.9 32.4 12.0 31.9 11.9
2,000 miles or more S S 48.8 10.1 49.5 10.1

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
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 20.3 28.0 18.8
Less than 50 miles 27.5 6.5 30.0 11.5 25.9 6.1
50 to 99 miles 28.8 2.2 33.7 3.0 33.4 1.4
100 to 249 miles 39.8 4.5 27.8 5.1 28.2 5.3
250 to 499 miles 23.3 3.0 32.2 4.5 32.6 6.1
500 to 749 miles 28.3 2.1 39.1 1.5 40.0 5.5
750 to 999 miles S S 46.6 0.7 46.3 2.3
1,000 to 1,499 miles 39.4 0.3 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.