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 9.9 10.6 13.9
Less than 50 miles 15.4 2.2 19.1 4.8 20.3 0.4
50 to 99 miles 19.7 1.0 17.6 1.3 18.9 0.3
100 to 249 miles 19.1 1.1 14.4 1.7 14.9 1.4
250 to 499 miles 12.0 1.3 26.6 2.4 24.1 1.8
500 to 749 miles 29.8 3.8 16.7 1.5 16.7 2.1
750 to 999 miles 16.7 0.6 23.5 0.7 25.9 1.2
1,000 to 1,499 miles 16.0 1.5 16.6 1.2 16.8 2.0
1,500 to 1,999 miles 24.1 2.1 24.5 1.9 24.0 2.5
2,000 miles or more 19.7 1.7 32.3 1.1 32.4 3.1

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 11.1 10.7 14.3
Less than 50 miles 15.7 2.0 21.2 5.2 22.4 0.4
50 to 99 miles 20.3 1.1 17.6 1.3 18.9 0.3
100 to 249 miles 20.4 1.2 14.4 1.9 14.9 1.5
250 to 499 miles 13.4 1.4 28.3 2.4 25.5 1.5
500 to 749 miles 33.7 4.3 16.5 1.6 16.5 2.1
750 to 999 miles 19.2 0.7 23.8 0.7 26.1 1.2
1,000 to 1,499 miles 17.0 1.8 16.7 1.2 16.9 2.0
1,500 to 1,999 miles 28.5 2.3 25.2 1.9 24.7 2.5
2,000 miles or more 20.6 1.6 32.6 1.1 32.7 3.2

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 10.3 12.8 14.5
Less than 50 miles 15.7 3.0 21.4 5.3 22.9 0.5
50 to 99 miles 20.3 1.3 18.1 1.6 19.4 0.5
100 to 249 miles 21.2 1.4 15.0 2.0 15.1 2.1
250 to 499 miles 13.4 1.6 13.9 1.7 15.5 1.6
500 to 749 miles 17.7 0.8 20.0 1.0 19.7 1.6
750 to 999 miles 14.9 0.4 20.3 0.3 20.0 0.9
1,000 to 1,499 miles 20.2 1.8 17.4 1.1 17.7 2.2
1,500 to 1,999 miles 24.4 1.5 30.2 2.4 29.8 3.7
2,000 miles or more 23.5 1.3 22.8 0.4 22.9 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 12.6 19.8 15.5
Less than 50 miles 30.7 2.6 35.3 5.6 35.7 0.4
50 to 99 miles 22.9 0.8 28.7 1.9 34.7 0.5
100 to 249 miles 38.8 2.5 26.6 1.4 26.5 0.8
250 to 499 miles 15.8 1.8 17.2 2.3 18.2 1.4
500 to 749 miles 16.9 1.4 15.4 1.3 15.6 1.3
750 to 999 miles 18.2 0.9 24.1 0.8 23.7 1.1
1,000 to 1,499 miles 21.6 3.1 17.0 1.6 16.9 2.3
1,500 to 1,999 miles 21.1 2.0 25.3 2.9 24.7 3.4
2,000 miles or more 23.3 2.6 22.0 0.7 22.0 1.6

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 10.9 19.4
Less than 50 miles 16.2 4.5 17.6 6.0 15.9 2.1
50 to 99 miles 21.2 2.2 22.9 2.7 22.0 2.0
100 to 249 miles 9.8 1.7 18.1 3.0 21.0 5.8
250 to 499 miles 18.2 2.0 18.3 2.0 20.0 2.9
500 to 749 miles 27.0 0.6 S S S S
750 to 999 miles 23.0 46.9 0.2 45.0 0.7
1,000 to 1,499 miles 33.8 0.8 31.2 1.1 32.6 5.0
1,500 to 1,999 miles S S S S S S
2,000 miles or more 45.6 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 14.4 17.7 17.3
Less than 50 miles 44.7 1.2 37.5 0.9 S S
50 to 99 miles S S S S S S
100 to 249 miles 31.3 0.9 S S S S
250 to 499 miles 44.7 2.0 31.2 4.5 29.5 2.2
500 to 749 miles 28.5 3.5 26.4 4.1 26.8 3.9
750 to 999 miles 37.0 1.7 36.5 1.5 39.1 1.7
1,000 to 1,499 miles 17.2 5.4 24.0 3.2 23.5 4.1
1,500 to 1,999 miles 21.8 4.2 23.0 4.6 22.7 5.3
2,000 miles or more 38.1 4.6 45.5 4.5 45.3 5.9

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 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

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
50 to 99 miles
100 to 249 miles
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

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
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

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 39.1 34.8 40.1
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles 29.8 4.8 S S 44.1 3.0
500 to 749 miles S S 39.7 6.3 33.1 7.0
750 to 999 miles S S S S S S
1,000 to 1,499 miles 24.9 4.0 S S S S
1,500 to 1,999 miles S S 33.6 5.7 34.1 6.2
2,000 miles or more 37.0 4.9 48.7 7.3 49.8 8.0

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 S S S S
50 to 99 miles 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
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 14.5 37.5 28.1
Less than 50 miles 23.8 1.1 39.3 3.1 39.1
50 to 99 miles 41.2 0.5 49.9 0.4 43.9
100 to 249 miles 36.2 2.7 41.3 3.0 35.6 0.6
250 to 499 miles 17.3 4.8 S S S S
500 to 749 miles 39.0 5.5 S S S S
750 to 999 miles 24.0 1.6 S S S S
1,000 to 1,499 miles 23.2 1.9 45.6 4.2 46.5 7.4
1,500 to 1,999 miles 32.0 2.5 S S S S
2,000 miles or more 49.4 6.7 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 16.7 19.7 18.3
Less than 50 miles 23.9 1.1 40.2 4.8 39.5 0.2
50 to 99 miles 41.2 0.5 49.9 0.8 43.9 0.1
100 to 249 miles 36.2 2.9 41.3 4.3 35.6 1.3
250 to 499 miles 17.4 2.4 19.9 3.1 19.3 1.6
500 to 749 miles 40.1 5.8 47.9 4.8 43.8 4.0
750 to 999 miles 24.7 1.9 25.9 2.4 25.5 1.9
1,000 to 1,499 miles 21.9 1.6 18.9 1.7 18.8 2.7
1,500 to 1,999 miles 32.9 2.4 21.3 2.1 19.9 3.2
2,000 miles or more S S 29.7 1.8 29.7 5.1

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 42.8 35.5 32.2
Less than 50 miles
50 to 99 miles
100 to 249 miles
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 S S S S S S
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 S S S S S S
Less than 50 miles
50 to 99 miles
100 to 249 miles
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

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 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 35.6 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 37.8 1.8 42.4 1.4 41.5 3.2
250 to 499 miles S S S S S S
500 to 749 miles 40.2 2.8 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.