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 19.2 15.0 15.8
Less than 50 miles 12.3 2.6 24.3 6.5 22.0 2.5
50 to 99 miles 16.8 1.4 13.6 1.6 11.5 0.8
100 to 249 miles 40.2 3.9 21.1 2.9 22.4 4.6
250 to 499 miles 20.3 1.4 26.3 2.1 30.5 2.5
500 to 749 miles 31.9 1.5 34.3 1.5 35.5 2.9
750 to 999 miles 10.9 1.1 29.8 1.6 30.8 3.5
1,000 to 1,499 miles 36.8 1.8 21.3 0.4 21.2 0.9
1,500 to 1,999 miles 16.3 0.5 23.6 0.3 22.4 1.3
2,000 miles or more 24.0 0.8 27.5 0.2 26.5 2.7

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 22.4 15.0 16.4
Less than 50 miles 13.2 3.0 24.5 6.7 22.2 2.6
50 to 99 miles 19.0 1.4 13.9 1.7 11.0 0.9
100 to 249 miles 44.6 4.4 19.7 3.0 19.4 4.5
250 to 499 miles 23.4 1.6 26.8 2.1 31.0 2.6
500 to 749 miles 40.2 1.2 34.6 1.5 36.1 3.0
750 to 999 miles 11.7 1.5 30.1 1.6 31.2 3.7
1,000 to 1,499 miles 44.3 2.0 22.7 0.4 22.5 1.0
1,500 to 1,999 miles 12.0 0.3 28.2 0.3 26.8 1.4
2,000 miles or more 34.0 0.7 29.6 0.2 28.9 2.8

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 21.0 17.3 11.2
Less than 50 miles 13.2 3.2 24.9 6.3 24.2 2.4
50 to 99 miles 19.4 1.4 16.7 2.1 15.0 0.8
100 to 249 miles 44.8 5.0 19.1 2.9 18.7 3.7
250 to 499 miles 24.2 1.6 22.0 1.5 23.7 2.7
500 to 749 miles 13.0 1.3 27.1 0.8 28.1 2.0
750 to 999 miles 9.4 1.3 19.3 0.7 19.1 1.6
1,000 to 1,499 miles 40.2 1.6 22.7 0.5 22.5 1.6
1,500 to 1,999 miles 9.5 0.2 31.0 0.4 29.4 2.1
2,000 miles or more 29.3 0.3 29.7 0.2 28.9 2.6

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 27.5 22.9 13.6
Less than 50 miles 38.0 2.8 37.6 10.6 34.8 1.5
50 to 99 miles 28.7 1.6 27.0 2.4 24.2 0.5
100 to 249 miles S S 21.4 3.7 23.0 4.2
250 to 499 miles 25.3 3.3 25.9 3.8 27.5 3.1
500 to 749 miles 13.2 2.4 27.4 1.4 28.3 2.0
750 to 999 miles 9.8 2.3 19.7 1.5 19.5 1.5
1,000 to 1,499 miles 40.7 2.4 23.3 1.3 23.1 1.8
1,500 to 1,999 miles 10.2 0.4 34.9 0.9 33.1 2.0
2,000 miles or more 29.7 0.5 29.6 0.5 28.8 3.2

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 15.3 24.2 19.0
Less than 50 miles 8.6 6.4 29.3 4.2 27.4 4.8
50 to 99 miles 24.9 3.1 22.0 2.2 22.0 4.1
100 to 249 miles 32.5 4.9 33.3 3.6 30.5 6.3
250 to 499 miles 23.2 0.9 32.6 0.4 32.6 2.6
500 to 749 miles S S S S S S
750 to 999 miles 39.7 0.1 47.7 47.4 1.0
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 45.8 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 44.8 41.2 45.8
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 S S S S S S
500 to 749 miles S S S S S S
750 to 999 miles S S 42.8 4.5 44.9 7.2
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

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

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
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 S S 37.9 S S
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 40.8 4.5 S S 47.9 1.6
250 to 499 miles 36.1 8.1 27.4 5.9 29.7 5.8
500 to 749 miles S S S S S S
750 to 999 miles S S 49.0 5.8 S S
1,000 to 1,499 miles S S 34.6 6.7 34.6 5.9
1,500 to 1,999 miles 49.8 2.8 24.9 1.7 23.3 2.6
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
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 9.8 S S 30.9
Less than 50 miles 21.9 2.3 34.4 2.5 24.6 0.1
50 to 99 miles 40.2 2.7 43.0 2.0 39.4 0.2
100 to 249 miles 11.9 1.3 S S S S
250 to 499 miles 15.7 2.0 35.3 1.9 39.2 0.5
500 to 749 miles 17.3 1.3 34.4 1.5 34.8 0.8
750 to 999 miles 16.8 0.9 25.4 2.0 25.6 1.9
1,000 to 1,499 miles 23.6 1.5 32.7 2.2 33.1 2.0
1,500 to 1,999 miles 25.4 1.4 37.2 1.7 36.5 1.9
2,000 miles or more 15.4 1.9 35.7 4.3 35.3 5.5

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 9.8 30.7 34.7
Less than 50 miles 21.9 2.3 34.4 2.3 24.6 0.1
50 to 99 miles 40.2 2.7 43.0 2.0 39.4 0.2
100 to 249 miles 11.7 1.3 44.4 3.2 46.6 0.6
250 to 499 miles 15.7 2.1 35.3 2.5 39.2 1.0
500 to 749 miles 17.3 1.3 34.4 0.6 34.8 0.5
750 to 999 miles 16.8 0.9 25.4 1.6 25.6 2.1
1,000 to 1,499 miles 23.6 1.5 32.7 1.4 33.1 1.8
1,500 to 1,999 miles 25.5 1.4 36.5 1.3 35.6 2.1
2,000 miles or more 15.9 1.9 40.3 2.1 39.7 3.7

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 38.3 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
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 39.9 19.2

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
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
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 32.9 47.9 47.9
Less than 50 miles 24.6 11.8 33.2 13.4 43.7 5.3
50 to 99 miles S S S S S S
100 to 249 miles S S S S S S
250 to 499 miles 43.4 6.1 44.1 3.4 47.1 4.6
500 to 749 miles S S S S S S
750 to 999 miles 38.4 2.2 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.