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 13.4 25.3 10.5
Less than 50 miles 21.9 4.6 33.8 4.5 17.9 3.4
50 to 99 miles 25.6 2.5 16.4 1.9 16.9 1.5
100 to 249 miles 19.2 1.4 20.1 1.7 19.5 2.5
250 to 499 miles 17.0 1.7 20.5 1.2 20.3 2.8
500 to 749 miles 23.2 1.2 26.0 0.8 26.2 2.9
750 to 999 miles 23.8 0.8 20.7 0.2 21.5 0.9
1,000 to 1,499 miles 21.7 0.6 23.3 0.1 22.8 0.7
1,500 to 1,999 miles 22.0 0.2 29.9 29.8 0.2
2,000 miles or more 12.1 0.6 26.3 0.2 27.3 2.3

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 14.3 25.6 11.1
Less than 50 miles 22.5 4.7 34.2 4.6 18.2 3.6
50 to 99 miles 28.3 2.8 16.3 1.9 16.9 1.5
100 to 249 miles 21.0 1.6 20.3 1.7 19.7 2.6
250 to 499 miles 18.2 1.8 20.7 1.3 20.6 3.0
500 to 749 miles 25.0 1.3 26.1 0.8 26.3 3.0
750 to 999 miles 27.5 0.9 24.5 0.3 25.3 1.0
1,000 to 1,499 miles 24.4 0.5 23.9 0.1 23.5 0.8
1,500 to 1,999 miles 17.3 0.2 34.3 34.7 0.2
2,000 miles or more 15.0 0.5 30.5 0.2 31.9 2.5

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 14.8 27.1 11.5
Less than 50 miles 22.5 4.7 34.9 4.5 18.9 3.8
50 to 99 miles 28.9 2.9 17.4 2.1 18.2 1.5
100 to 249 miles 21.5 1.6 22.6 1.7 21.8 2.5
250 to 499 miles 18.3 1.9 20.7 1.3 20.5 3.2
500 to 749 miles 28.9 1.3 21.5 0.5 21.7 1.6
750 to 999 miles 29.1 1.0 30.0 0.2 29.5 0.9
1,000 to 1,499 miles 27.5 0.5 29.4 0.1 29.1 0.8
1,500 to 1,999 miles 23.3 0.2 34.6 35.0 0.2
2,000 miles or more 16.7 0.4 25.3 0.1 25.5 1.4

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 15.4 11.0 15.2
Less than 50 miles 20.6 2.2 19.0 5.2 9.7 1.8
50 to 99 miles 43.2 3.8 20.6 2.8 21.8 1.4
100 to 249 miles 15.6 1.5 21.2 2.1 21.1 2.1
250 to 499 miles 24.1 2.6 22.7 1.6 22.4 3.3
500 to 749 miles 31.4 2.0 21.7 0.6 21.8 1.6
750 to 999 miles 28.9 1.3 23.9 0.2 23.5 0.9
1,000 to 1,499 miles 27.6 1.5 29.3 0.2 29.0 1.0
1,500 to 1,999 miles 23.5 0.3 35.3 35.8 0.3
2,000 miles or more 17.8 0.8 26.6 0.2 26.8 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 26.9 38.0 20.0
Less than 50 miles 26.8 3.7 41.8 2.9 28.9 6.7
50 to 99 miles 11.1 2.2 13.7 1.8 14.1 2.6
100 to 249 miles 46.1 2.3 46.2 1.3 42.6 3.3
250 to 499 miles 40.8 1.7 29.5 0.5 29.3 4.8
500 to 749 miles 40.9 0.1 43.9 44.0 0.8
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

Rail

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 43.9 39.4
Less than 50 miles
50 to 99 miles 44.7 7.9 49.0 8.9 48.4 1.6
100 to 249 miles S S S S S S
250 to 499 miles 36.4 5.9 40.7 6.9 39.7 9.2
500 to 749 miles 41.5 10.6 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
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 S S S S S S
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

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 S S S S S S
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

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 36.5 46.2 42.9
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 44.3 9.9 S S 43.1 4.5
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 45.2 3.9 49.0 4.5
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles S S 34.4 2.2 33.6 3.1
2,000 miles or more S S 46.0 9.7 45.6 12.2

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
Less than 50 miles S S
50 to 99 miles S S
100 to 249 miles 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 14.8 14.7 16.2
Less than 50 miles 41.9 6.7 30.0 4.8 32.3 0.5
50 to 99 miles 33.0 1.5 46.3 2.7 45.0 0.7
100 to 249 miles 17.5 2.3 21.2 2.7 26.8 2.2
250 to 499 miles 13.5 2.1 31.1 6.1 45.2 6.0
500 to 749 miles 28.3 2.3 25.2 1.6 26.2 1.4
750 to 999 miles 17.5 1.5 35.7 4.4 36.6 6.9
1,000 to 1,499 miles 45.6 2.7 18.0 0.5 18.4 0.9
1,500 to 1,999 miles S S 45.5 0.8 47.3 1.7
2,000 miles or more 19.3 2.9 30.4 4.7 30.3 8.4

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 15.4 22.4 34.2
Less than 50 miles 41.8 6.8 29.3 5.2 31.6 1.6
50 to 99 miles 33.1 1.6 48.1 3.8 47.7 2.9
100 to 249 miles 19.2 1.4 28.8 2.0 29.9 1.8
250 to 499 miles 13.5 2.1 30.8 2.4 30.8 1.0
500 to 749 miles 28.8 2.3 27.9 1.3 28.5 1.2
750 to 999 miles 17.1 1.4 20.8 1.3 20.9 2.4
1,000 to 1,499 miles 45.9 2.7 18.7 1.3 19.2 2.5
1,500 to 1,999 miles S S 45.5 0.8 47.4 1.9
2,000 miles or more 19.7 3.5 S S S S

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 36.1 36.5 39.7
Less than 50 miles S S S S S S
50 to 99 miles
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 S S S S S S
1,500 to 1,999 miles S S S S S S
2,000 miles or more 48.1 12.7 47.7 13.2 47.8 12.9

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 S S 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
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
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

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 23.0 29.2 37.9
Less than 50 miles 25.0 4.9 30.7 5.5 45.9 7.3
50 to 99 miles 44.7 2.0 44.1 1.4 42.6 2.8
100 to 249 miles 31.4 2.3 34.0 3.8 31.0 7.2
250 to 499 miles 44.1 1.2 38.7 0.7 46.2 4.3
500 to 749 miles S S S S S S
750 to 999 miles 40.7 0.5 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.