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]

Excel | CSV

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 8.3 10.4 11.0
Less than 50 miles 11.2 1.6 19.7 5.5 19.9 1.0
50 to 99 miles 13.6 1.0 13.1 1.0 13.2 0.6
100 to 249 miles 13.2 1.6 14.5 3.2 13.9 2.0
250 to 499 miles 11.5 1.4 10.4 1.5 11.7 1.5
500 to 749 miles 15.1 1.7 16.6 1.2 17.1 1.7
750 to 999 miles 13.4 0.7 24.1 0.4 22.9 1.6
1,000 to 1,499 miles 10.1 0.2 14.3 0.2 14.7 1.0
1,500 to 1,999 miles 31.4 0.8 14.4 14.2 0.4
2,000 miles or more 6.0 0.2 16.7 0.1 15.9 0.8

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 8.9 10.5 11.1
Less than 50 miles 11.6 1.7 19.8 5.6 19.9 1.1
50 to 99 miles 14.3 1.0 13.2 1.0 13.3 0.6
100 to 249 miles 14.2 1.5 15.5 3.3 14.8 2.2
250 to 499 miles 12.3 1.4 10.7 1.5 12.0 1.6
500 to 749 miles 14.5 1.7 16.6 1.2 17.2 1.7
750 to 999 miles 13.9 0.7 24.5 0.4 23.2 1.5
1,000 to 1,499 miles 10.8 0.3 14.4 0.2 14.7 1.0
1,500 to 1,999 miles 35.2 0.8 15.0 14.8 0.4
2,000 miles or more 6.0 0.2 14.5 0.1 14.2 0.8

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 8.8 11.6 11.3
Less than 50 miles 11.9 1.7 19.5 5.3 18.1 1.0
50 to 99 miles 14.7 1.0 13.5 1.1 12.9 0.6
100 to 249 miles 13.9 1.5 13.4 2.5 11.8 1.3
250 to 499 miles 12.6 1.4 9.5 1.3 9.7 1.5
500 to 749 miles 13.1 1.6 12.7 1.3 12.1 1.7
750 to 999 miles 14.3 0.7 28.1 0.5 27.2 1.8
1,000 to 1,499 miles 11.5 0.3 16.6 17.2 0.5
1,500 to 1,999 miles 36.8 0.9 14.7 14.8 0.5
2,000 miles or more 4.9 0.2 17.6 0.1 17.5 0.6

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 10.6 13.6 14.2
Less than 50 miles 23.8 2.2 23.6 5.2 27.5 0.6
50 to 99 miles 11.0 0.6 18.9 2.1 18.3 0.6
100 to 249 miles 13.1 1.6 14.6 1.1 12.6 0.9
250 to 499 miles 14.6 2.2 10.3 1.9 10.6 1.8
500 to 749 miles 16.1 1.7 16.1 2.0 15.4 2.1
750 to 999 miles 15.6 1.1 28.8 1.0 27.8 2.2
1,000 to 1,499 miles 12.4 0.4 19.5 0.2 20.0 0.6
1,500 to 1,999 miles 40.7 1.1 19.7 0.2 20.0 0.7
2,000 miles or more 7.1 0.3 19.8 0.1 19.6 0.5

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 17.6 19.5 9.8
Less than 50 miles 14.9 3.5 27.7 6.4 27.2 3.1
50 to 99 miles 20.6 1.7 11.0 2.0 11.3 1.3
100 to 249 miles 25.7 3.4 15.1 4.8 13.6 4.9
250 to 499 miles 38.1 1.0 8.8 0.3 10.3 1.0
500 to 749 miles 42.7 1.5 28.8 0.3 28.9 2.2
750 to 999 miles 20.8 0.2 32.7 32.1 0.8
1,000 to 1,499 miles 47.0 0.3 45.3 0.1 44.3 1.2
1,500 to 1,999 miles 43.0 0.3 S S S S
2,000 miles or more S S 48.1 47.5 1.8

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 14.9 21.4 17.6
Less than 50 miles 44.2 2.4 S S S S
50 to 99 miles 31.3 4.4 36.2 4.1 37.7 1.6
100 to 249 miles 29.0 5.8 48.2 6.7 47.0 6.0
250 to 499 miles 24.6 4.6 23.0 4.1 23.8 3.7
500 to 749 miles 36.5 4.2 36.3 5.0 36.5 6.0
750 to 999 miles 18.1 0.9 15.5 0.6 15.9 1.0
1,000 to 1,499 miles 26.8 1.5 30.7 1.5 30.5 3.0
1,500 to 1,999 miles S S S S S S
2,000 miles or more 32.5 2.3 35.7 0.5 35.9 2.2

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
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 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
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 26.6 33.0 30.8
Less than 50 miles
50 to 99 miles S S S S S S
100 to 249 miles 40.6 4.2 37.2 9.5 38.2 7.5
250 to 499 miles 30.1 10.0 29.8 7.2 35.8 6.5
500 to 749 miles 34.6 9.4 S S S S
750 to 999 miles 45.6 2.2 S S S S
1,000 to 1,499 miles 28.9 0.9 43.8 3.1 44.7 5.5
1,500 to 1,999 miles 42.8 1.3 41.1 1.5 42.0 2.9
2,000 miles or more 44.8 7.7 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 14.7 24.7 25.0
Less than 50 miles 19.4 0.7 20.1 0.8 23.9
50 to 99 miles 16.4 1.5 24.4 1.1 23.3 0.1
100 to 249 miles 19.2 3.0 S S S S
250 to 499 miles 24.8 3.5 34.9 7.9 38.5 7.9
500 to 749 miles 26.1 3.0 36.3 5.2 38.6 3.5
750 to 999 miles 23.9 1.4 22.1 1.8 23.8 1.7
1,000 to 1,499 miles 34.8 2.0 42.8 1.8 41.8 2.8
1,500 to 1,999 miles 29.9 0.9 20.7 0.6 20.6 1.3
2,000 miles or more 21.1 2.0 31.7 2.1 47.0 6.0

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 16.4 17.1 14.7
Less than 50 miles 20.0 0.9 23.2 0.8 25.1
50 to 99 miles 16.4 1.7 24.4 1.3 23.3 0.2
100 to 249 miles 20.2 2.6 38.2 3.4 36.9 1.2
250 to 499 miles 25.0 3.2 18.3 1.6 18.5 1.6
500 to 749 miles 27.2 3.1 17.5 2.3 17.9 2.3
750 to 999 miles 24.2 1.5 11.0 1.3 10.7 1.3
1,000 to 1,499 miles 35.1 2.4 25.5 0.6 25.0 1.0
1,500 to 1,999 miles 29.9 0.9 20.7 1.0 20.6 2.3
2,000 miles or more 25.1 1.4 23.0 1.0 22.0 2.7

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 27.6 29.4 29.6
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 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
2,000 miles or more S S 42.1 2.4 42.2 5.5

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 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 38.6 21.3 31.3
Less than 50 miles 30.9 4.5 27.4 9.4 36.4 4.5
50 to 99 miles 35.2 5.6 33.4 2.7 33.4 2.6
100 to 249 miles S S 44.6 10.5 48.0 10.8
250 to 499 miles 41.5 2.2 S S 48.1 4.2
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

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.