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 15.1 16.3 15.9
Less than 50 miles 18.9 2.0 23.7 5.1 15.3 0.8
50 to 99 miles 10.3 0.5 15.9 0.8 16.1 0.3
100 to 249 miles 6.6 1.5 11.3 0.9 11.2 1.4
250 to 499 miles 8.2 0.9 14.1 0.9 15.5 0.9
500 to 749 miles 15.4 0.6 20.6 1.1 22.9 1.0
750 to 999 miles S S 14.9 0.8 14.1 1.5
1,000 to 1,499 miles 19.5 0.6 26.3 0.4 26.9 1.3
1,500 to 1,999 miles 7.2 0.8 21.8 1.1 22.4 2.4
2,000 miles or more 24.2 0.9 22.9 1.0 23.2 4.1

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 17.7 17.0 17.4
Less than 50 miles 21.0 2.2 24.5 5.3 15.4 0.9
50 to 99 miles 12.8 0.6 16.2 0.8 16.4 0.3
100 to 249 miles 6.1 1.8 11.5 1.0 11.4 1.6
250 to 499 miles 9.8 1.2 15.4 1.0 16.8 1.0
500 to 749 miles 20.8 0.7 22.3 1.1 24.7 1.0
750 to 999 miles S S 16.3 0.9 15.6 1.7
1,000 to 1,499 miles 24.8 0.6 27.9 0.5 28.6 1.5
1,500 to 1,999 miles 8.8 0.8 22.8 1.1 23.5 2.4
2,000 miles or more 33.5 1.0 25.9 0.8 26.4 4.2

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 16.3 20.4 9.7
Less than 50 miles 21.7 2.7 26.0 5.1 19.6 1.8
50 to 99 miles 12.9 0.7 16.4 1.2 16.8 0.6
100 to 249 miles 6.3 1.8 12.6 1.4 12.1 2.2
250 to 499 miles 9.6 1.2 11.0 0.9 10.5 0.7
500 to 749 miles 9.3 0.5 14.5 0.7 15.0 1.1
750 to 999 miles S S 30.4 1.0 29.7 2.4
1,000 to 1,499 miles 32.6 0.7 36.1 0.3 35.6 2.3
1,500 to 1,999 miles 12.0 0.9 25.5 0.4 26.1 2.8
2,000 miles or more 13.3 0.6 19.7 0.5 20.8 2.8

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 26.7 12.9 10.5
Less than 50 miles S S 25.1 6.7 18.2 0.8
50 to 99 miles 13.3 0.7 21.2 2.1 22.3 0.6
100 to 249 miles 13.8 1.7 14.1 1.9 13.5 2.6
250 to 499 miles 14.3 2.3 7.4 1.3 7.6 0.7
500 to 749 miles 10.1 1.0 15.8 1.1 16.3 1.3
750 to 999 miles S S 31.8 2.1 30.9 2.7
1,000 to 1,499 miles 31.4 1.1 35.8 0.8 35.3 2.5
1,500 to 1,999 miles 12.5 1.9 25.0 0.6 25.4 3.2
2,000 miles or more 13.3 1.3 19.4 0.8 20.5 3.0

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 10.0 29.7 16.2
Less than 50 miles 12.6 2.4 32.8 4.1 26.0 4.0
50 to 99 miles 17.5 0.8 23.8 1.3 24.4 1.0
100 to 249 miles 7.5 2.0 15.4 1.8 15.2 1.7
250 to 499 miles 11.6 0.6 22.8 0.8 22.2 2.4
500 to 749 miles 16.1 0.4 16.9 0.4 17.9 2.8
750 to 999 miles 25.6 0.2 36.9 0.2 38.0 1.8
1,000 to 1,499 miles S S 47.4 47.2 1.8
1,500 to 1,999 miles 33.9 0.1 43.5 49.3 1.7
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 15.4 23.2 28.6
Less than 50 miles S S 45.9 5.1 43.9 0.3
50 to 99 miles 47.7 0.2 37.7 0.3 S S
100 to 249 miles 42.7 2.4 44.3 1.3 42.0 0.7
250 to 499 miles 27.7 2.9 28.6 3.5 29.6 2.2
500 to 749 miles 21.4 1.4 35.1 1.7 36.0 1.8
750 to 999 miles 23.0 3.5 18.8 2.7 19.3 2.8
1,000 to 1,499 miles 26.2 1.0 33.5 1.3 34.6 1.5
1,500 to 1,999 miles 24.4 4.1 32.6 3.5 32.8 4.4
2,000 miles or more 28.4 5.5 38.0 4.3 37.7 5.5

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 38.9 32.2
Less than 50 miles S S 43.4 9.5 46.4 3.8
50 to 99 miles
100 to 249 miles 42.4 12.4 38.1 9.4 36.0 9.1
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles S S S S S S
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 S S 39.1 35.6
Less than 50 miles S S 43.4 7.9 46.4 3.5
50 to 99 miles
100 to 249 miles 42.4 13.0 38.1 7.9 36.0 3.5
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
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 S S S S S S
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 46.5 S S S S
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 48.7 4.5 45.3 3.2 41.6 0.3
250 to 499 miles 45.3 1.8 S S 47.1 5.7
500 to 749 miles S S S S 45.1 2.7
750 to 999 miles 42.1 5.1 S S S S
1,000 to 1,499 miles 35.7 1.3 19.6 0.9 19.5 1.4
1,500 to 1,999 miles 41.3 4.2 S S S S
2,000 miles or more S S S S S S

Pipeline

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 38.1 44.0 S S
Less than 50 miles 47.0 9.4 44.0 10.5 S S
50 to 99 miles S S
100 to 249 miles 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 9.3 21.0 25.0
Less than 50 miles 24.3 2.6 S S 37.3 0.3
50 to 99 miles 26.4 0.6 31.6 0.3 27.4
100 to 249 miles 16.4 2.0 22.9 1.8 24.8 0.5
250 to 499 miles 15.9 1.4 34.7 1.5 36.9 0.8
500 to 749 miles 18.2 2.5 42.3 3.2 42.4 3.2
750 to 999 miles 12.2 1.0 37.6 3.3 38.8 2.5
1,000 to 1,499 miles 24.5 0.8 33.4 1.5 34.8 1.6
1,500 to 1,999 miles 10.2 1.4 22.9 3.0 23.9 3.9
2,000 miles or more 17.9 2.5 34.4 6.6 32.2 7.1

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 9.2 20.2 32.0
Less than 50 miles 24.6 2.8 25.7 2.5 24.0
50 to 99 miles 26.4 0.7 31.6 1.0 27.4
100 to 249 miles 16.8 2.3 13.2 2.5 13.4 0.5
250 to 499 miles 16.0 1.4 21.1 1.5 19.5 0.6
500 to 749 miles 19.4 2.5 15.1 1.2 14.9 0.8
750 to 999 miles 11.9 1.1 22.6 1.4 22.7 1.4
1,000 to 1,499 miles 27.7 0.9 49.2 1.1 S S
1,500 to 1,999 miles 11.9 1.5 30.0 1.5 31.3 3.0
2,000 miles or more 19.4 3.1 36.3 3.0 37.2 3.4

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 24.0 18.6 23.6
Less than 50 miles S S S S S S
50 to 99 miles
100 to 249 miles 31.1 1.6 35.0 2.4 36.2 0.8
250 to 499 miles 41.1 2.2 45.7 2.0 46.0 1.2
500 to 749 miles 35.4 4.2 46.5 5.0 45.8 5.0
750 to 999 miles 49.6 5.6 39.9 6.6 41.0 6.6
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 30.3 6.1 30.5 6.8 30.8 8.1
2,000 miles or more 49.6 6.9 41.3 6.7 42.8 9.9

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 36.5 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 S S S S S S
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 26.6 9.2 39.2 4.9 44.0 6.5
2,000 miles or more 46.8 9.6 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
250 to 499 miles
500 to 749 miles
750 to 999 miles
1,000 to 1,499 miles
1,500 to 1,999 miles S S S S S S
2,000 miles or more S S S S S S

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 S S S S S S
2,000 miles or more S S S S S S

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 29.2 41.7 25.3
Less than 50 miles 43.0 9.7 46.7 10.2 35.9 3.6
50 to 99 miles S S 49.0 1.2 47.9 3.2
100 to 249 miles 30.6 5.1 41.6 8.6 36.8 3.4
250 to 499 miles 41.5 2.8 S S S S
500 to 749 miles S S 49.7 0.5 48.6 4.0
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 38.1 3.3 49.0 2.1 48.1 7.9
2,000 miles or more 40.7 1.7 41.6 1.1 39.0 6.8

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.