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 5.7 6.4 11.7
Less than 50 miles 7.7 1.4 12.1 3.5 13.1 1.2
50 to 99 miles 6.7 1.0 9.6 1.4 10.1 0.7
100 to 249 miles 8.7 1.4 9.9 1.4 11.0 2.0
250 to 499 miles 3.6 0.7 7.5 0.9 8.8 2.1
500 to 749 miles 16.2 0.8 29.5 1.3 35.1 4.1
750 to 999 miles 8.9 0.2 21.2 0.2 26.0 1.6
1,000 to 1,499 miles 10.2 0.5 S S S S
1,500 to 1,999 miles 25.1 0.4 25.0 25.3 0.6
2,000 miles or more 24.6 0.8 9.8 9.8 1.1

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 5.9 6.8 13.2
Less than 50 miles 8.2 1.6 12.7 3.8 13.8 1.4
50 to 99 miles 7.8 1.2 9.4 1.5 9.8 1.0
100 to 249 miles 10.1 1.6 11.1 1.6 12.9 2.4
250 to 499 miles 4.9 0.8 9.7 1.0 12.1 2.1
500 to 749 miles 11.6 0.5 31.9 1.4 37.5 4.6
750 to 999 miles 8.3 0.2 23.0 0.2 28.5 1.8
1,000 to 1,499 miles 10.7 0.5 S S S S
1,500 to 1,999 miles 30.9 0.4 26.7 26.9 0.9
2,000 miles or more 31.6 0.9 11.4 11.6 1.1

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 5.7 7.8 11.6
Less than 50 miles 8.4 1.5 13.1 3.3 16.8 1.7
50 to 99 miles 8.0 1.3 11.9 1.8 11.3 1.0
100 to 249 miles 11.3 1.8 7.4 1.0 7.9 1.4
250 to 499 miles 4.9 0.8 7.5 0.8 7.3 1.8
500 to 749 miles 12.3 0.5 10.9 0.4 10.5 1.6
750 to 999 miles 7.4 0.2 12.2 0.1 12.7 1.1
1,000 to 1,499 miles 10.7 0.5 S S S S
1,500 to 1,999 miles 32.6 0.4 17.7 17.2 0.6
2,000 miles or more 34.2 1.0 12.1 12.3 1.5

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 7.3 12.3 14.6
Less than 50 miles 11.6 1.1 22.1 4.0 25.0 1.3
50 to 99 miles 12.4 1.8 16.7 1.0 15.3 0.8
100 to 249 miles 15.1 2.2 9.7 1.7 9.9 1.5
250 to 499 miles 6.2 1.3 9.6 1.7 9.0 2.2
500 to 749 miles 13.8 0.9 12.6 0.8 11.9 2.0
750 to 999 miles 8.6 0.4 13.6 0.3 14.1 1.5
1,000 to 1,499 miles 11.3 0.8 S S S S
1,500 to 1,999 miles 32.7 0.7 18.0 0.1 17.5 0.8
2,000 miles or more 34.2 1.5 12.6 0.2 12.8 1.9

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 5.7 9.3 9.0
Less than 50 miles 10.2 3.3 11.9 3.3 12.5 3.4
50 to 99 miles 6.5 1.6 19.8 2.7 19.1 3.0
100 to 249 miles 8.4 1.1 13.1 1.2 14.4 2.2
250 to 499 miles 18.0 0.9 17.1 0.3 17.0 1.7
500 to 749 miles 32.1 0.6 27.5 0.2 29.7 1.5
750 to 999 miles 27.5 0.1 23.5 24.1 0.6
1,000 to 1,499 miles 27.7 26.2 25.9 0.4
1,500 to 1,999 miles S S S S S S
2,000 miles or more 39.7 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 8.6 20.9 29.3
Less than 50 miles 14.4 2.4 14.6 6.4 22.1 1.5
50 to 99 miles 18.0 0.9 28.2 2.7 27.0 1.4
100 to 249 miles 20.7 5.5 20.9 5.6 20.2 5.8
250 to 499 miles 14.1 2.2 28.4 2.7 31.5 4.5
500 to 749 miles 35.9 2.7 S S S S
750 to 999 miles 19.9 1.3 S S S S
1,000 to 1,499 miles 26.0 2.0 40.0 0.6 41.2 2.3
1,500 to 1,999 miles 41.7 0.6 S S S S
2,000 miles or more 30.4 0.9 26.5 0.3 26.8 1.7

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 48.0 S S
Less than 50 miles S S 34.3 11.8 43.8 16.9
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 45.9 12.6 44.8 10.5 44.7 13.8
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 48.0 S S
Less than 50 miles S S 34.4 11.8 43.8 16.9
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 45.9 13.0 44.8 10.5 44.7 13.8
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
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 40.7 27.5 22.9
Less than 50 miles
50 to 99 miles S S 37.9 1.7 43.0 0.4
100 to 249 miles S S S S S S
250 to 499 miles 22.4 5.3 49.3 6.7 30.0 3.1
500 to 749 miles 30.9 1.0 S S S S
750 to 999 miles S S S S S S
1,000 to 1,499 miles 35.0 2.7 37.2 4.2 35.2 6.5
1,500 to 1,999 miles 49.2 2.5 26.9 2.2 26.5 3.4
2,000 miles or more 32.1 6.6 35.6 6.6 35.1 8.1

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 32.5 32.1 S S
Less than 50 miles 34.1 10.6 33.7 10.7 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 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 13.1 34.1 34.9
Less than 50 miles 17.9 1.0 S S S S
50 to 99 miles 13.2 1.0 18.6 2.0 21.5 0.3
100 to 249 miles 11.5 1.2 35.5 3.2 37.9 3.3
250 to 499 miles 13.6 1.7 39.1 7.7 39.7 11.1
500 to 749 miles 34.8 3.3 S S S S
750 to 999 miles 12.3 1.1 43.8 3.1 46.0 5.9
1,000 to 1,499 miles 21.2 0.8 25.3 1.2 25.3 2.0
1,500 to 1,999 miles 16.8 0.4 19.0 0.9 19.3 1.7
2,000 miles or more 15.9 0.8 18.2 2.8 18.6 7.7

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 16.1 17.9
Less than 50 miles 18.0 1.1 17.7 1.2 19.1 0.1
50 to 99 miles 13.2 1.0 18.6 2.5 21.5 0.7
100 to 249 miles 11.6 1.2 17.2 1.0 16.9 0.8
250 to 499 miles 13.9 1.7 25.4 1.4 25.1 0.9
500 to 749 miles 35.3 3.3 33.2 2.2 34.9 2.1
750 to 999 miles 13.2 1.2 11.5 1.0 10.7 1.5
1,000 to 1,499 miles 21.2 0.8 26.4 1.0 27.1 1.6
1,500 to 1,999 miles 17.1 0.4 17.6 0.3 18.9 0.6
2,000 miles or more 17.1 0.9 19.3 0.9 18.8 2.6

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 23.6 11.8 18.5
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles
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 33.0 5.1 33.3 5.2 32.7 9.9
1,500 to 1,999 miles S S S S S S
2,000 miles or more 43.8 10.8 27.0 9.9 27.4 10.2

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
500 to 749 miles
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 27.8 14.3 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 41.3 40.1 42.4
Less than 50 miles S S S S S S
50 to 99 miles
100 to 249 miles 38.9 4.0 39.5 4.4 39.4 3.4
250 to 499 miles 41.1 7.9 41.1 7.9 40.6 8.2
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

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
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 19.8 23.8 16.0
Less than 50 miles 32.8 8.6 43.0 10.0 S S
50 to 99 miles 36.5 3.9 41.1 7.7 39.4 7.5
100 to 249 miles 40.7 3.1 S S S S
250 to 499 miles 25.1 1.6 24.1 1.3 24.9 3.3
500 to 749 miles 49.6 5.5 33.5 1.3 32.6 1.7
750 to 999 miles 47.5 2.6 49.7 1.6 48.2 6.4
1,000 to 1,499 miles 49.8 2.3 S S S S
1,500 to 1,999 miles S S S S S S
2,000 miles or more 48.6 0.4 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.