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 9.0 12.2 16.9
Less than 50 miles 5.1 2.4 14.9 5.9 14.9 1.2
50 to 99 miles 17.1 0.9 31.4 2.3 25.4 1.3
100 to 249 miles 27.5 2.5 32.8 5.3 32.2 5.8
250 to 499 miles 13.8 1.2 48.1 3.9 48.7 4.7
500 to 749 miles 25.3 1.4 23.7 1.2 25.1 2.2
750 to 999 miles 15.7 0.7 16.5 0.2 17.3 2.1
1,000 to 1,499 miles 9.1 1.2 19.9 0.9 19.5 3.8
1,500 to 1,999 miles 16.9 1.0 20.3 0.1 20.6 1.5
2,000 miles or more 49.9 0.1 S S S S

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 10.4 12.4 17.0
Less than 50 miles 4.8 2.4 15.9 6.3 13.6 1.3
50 to 99 miles 19.7 1.2 31.4 2.3 25.4 1.3
100 to 249 miles 28.3 2.6 32.9 5.5 32.3 5.9
250 to 499 miles 14.6 1.3 48.2 3.9 48.8 4.8
500 to 749 miles 28.0 1.4 23.9 1.2 25.4 2.3
750 to 999 miles 16.9 0.8 16.6 0.2 17.4 2.1
1,000 to 1,499 miles 11.8 1.0 20.3 1.0 19.7 3.8
1,500 to 1,999 miles 20.6 1.0 20.6 0.1 20.9 1.5
2,000 miles or more S S S S S S

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 14.5 9.4
Less than 50 miles 5.0 1.7 16.8 4.0 16.0 0.7
50 to 99 miles 16.2 0.7 21.3 1.1 22.9 0.6
100 to 249 miles 16.4 1.9 28.8 2.7 27.9 2.9
250 to 499 miles 18.0 1.6 19.0 1.2 18.6 2.2
500 to 749 miles 32.4 2.4 17.2 1.2 17.4 2.5
750 to 999 miles 18.0 0.9 15.9 0.7 16.1 1.9
1,000 to 1,499 miles 13.6 1.2 14.2 0.5 15.3 2.8
1,500 to 1,999 miles 24.2 1.0 19.6 0.2 20.4 1.8
2,000 miles or more S S S S S S

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 11.3 16.2 10.0
Less than 50 miles 30.8 2.4 30.3 5.7 35.7 0.7
50 to 99 miles 32.9 0.6 46.2 3.1 46.6 0.7
100 to 249 miles 23.0 1.5 29.9 3.2 30.5 2.1
250 to 499 miles 20.6 3.3 18.4 2.8 17.9 3.1
500 to 749 miles 36.0 4.8 17.1 2.4 17.3 2.6
750 to 999 miles 18.9 2.4 15.2 1.4 14.9 1.5
1,000 to 1,499 miles 13.6 2.9 14.7 1.8 15.3 2.7
1,500 to 1,999 miles 24.5 2.5 20.3 0.6 21.1 2.6
2,000 miles or more S S S S 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 5.7 15.8 16.1
Less than 50 miles 4.5 2.4 17.3 3.9 10.7 3.9
50 to 99 miles 20.0 1.6 21.6 1.7 22.0 1.1
100 to 249 miles 18.5 2.8 30.5 2.8 29.0 5.1
250 to 499 miles 23.9 1.2 25.9 1.0 24.2 3.6
500 to 749 miles 31.3 0.7 25.7 0.8 25.8 4.1
750 to 999 miles 26.6 0.2 22.9 0.4 23.7 3.2
1,000 to 1,499 miles 43.8 0.1 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

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 20.6 16.8 24.9
Less than 50 miles 31.6 10.5 35.0 13.2 25.2 0.7
50 to 99 miles S S S S S S
100 to 249 miles 47.0 7.8 38.0 8.7 34.2 7.4
250 to 499 miles S S S S S S
500 to 749 miles 40.4 4.0 43.3 2.9 43.3 3.7
750 to 999 miles 29.7 1.9 32.6 0.9 32.3 6.5
1,000 to 1,499 miles 27.1 5.4 30.7 6.0 29.2 8.0
1,500 to 1,999 miles 47.3 0.4 44.3 0.2 44.0 2.8
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
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

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
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 36.5 42.7 39.2
Less than 50 miles
50 to 99 miles
100 to 249 miles S S S S S S
250 to 499 miles S S 43.8 8.3 36.4 6.6
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 31.7 6.9 S S S S
1,500 to 1,999 miles 40.2 10.3 25.5 8.6 25.4 8.8
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 S S 49.1 S S
Less than 50 miles S S S S S S
50 to 99 miles 44.1 13.0 45.2 10.5 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
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 16.0 43.1 S S
Less than 50 miles 36.3 3.3 S S S S
50 to 99 miles S S S S S S
100 to 249 miles 35.2 4.4 36.1 6.4 39.3 3.1
250 to 499 miles 15.6 2.4 32.8 4.2 32.6 3.4
500 to 749 miles 25.5 3.8 S S S S
750 to 999 miles 20.7 1.1 27.8 2.1 27.0 3.2
1,000 to 1,499 miles 36.1 4.2 S S S S
1,500 to 1,999 miles 27.5 6.5 22.8 2.1 23.0 4.6
2,000 miles or more 49.2 0.2 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 16.3 22.9 17.3
Less than 50 miles 38.4 3.4 36.3 2.4 S S
50 to 99 miles S S S S S S
100 to 249 miles 35.4 4.4 36.4 5.2 36.6 2.8
250 to 499 miles 15.6 2.4 32.8 3.1 32.6 2.4
500 to 749 miles 25.7 4.0 37.2 3.0 38.6 2.5
750 to 999 miles 20.7 1.2 27.8 1.8 27.0 2.2
1,000 to 1,499 miles 39.7 3.7 23.2 2.6 23.4 4.1
1,500 to 1,999 miles 27.5 6.5 22.8 4.8 23.0 5.8
2,000 miles or more 46.1 0.2 49.5 0.5 49.0 1.0

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 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 S S S S S S
1,500 to 1,999 miles
2,000 miles or more

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
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 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 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

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 30.1 S S 49.5
Less than 50 miles 26.2 9.8 S S S S
50 to 99 miles 40.3 1.6 42.6 2.8 45.2 2.4
100 to 249 miles 44.8 7.7 S S S S
250 to 499 miles 48.3 0.2 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

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.