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 5.1 11.8 10.6
Less than 50 miles 10.6 2.4 13.6 2.8 15.5 1.1
50 to 99 miles 12.5 1.1 32.8 2.7 44.5 2.5
100 to 249 miles 7.5 0.6 10.1 1.4 9.5 1.2
250 to 499 miles 6.3 1.4 5.8 0.9 6.0 1.4
500 to 749 miles 10.0 1.2 8.7 0.9 9.5 2.1
750 to 999 miles 12.4 0.5 13.1 0.2 13.2 0.6
1,000 to 1,499 miles 10.8 0.3 22.1 0.2 21.2 1.0
1,500 to 1,999 miles 25.2 0.3 35.8 0.1 36.3 0.8
2,000 miles or more 15.2 0.5 20.7 0.2 20.1 1.7

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 5.2 11.3 10.9
Less than 50 miles 10.7 2.5 12.6 2.7 15.6 1.1
50 to 99 miles 13.7 1.2 33.2 2.8 44.9 2.5
100 to 249 miles 7.8 0.7 10.2 1.4 9.5 1.2
250 to 499 miles 6.5 1.4 6.1 0.8 6.3 1.4
500 to 749 miles 9.8 1.2 8.8 0.9 9.6 2.2
750 to 999 miles 12.9 0.5 13.3 0.2 13.3 0.6
1,000 to 1,499 miles 11.4 0.3 22.3 0.2 21.4 1.0
1,500 to 1,999 miles 27.6 0.3 36.7 0.1 37.2 0.8
2,000 miles or more 17.5 0.5 22.3 0.2 21.8 1.8

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 5.4 9.8 8.8
Less than 50 miles 11.1 2.5 12.6 2.3 15.2 1.2
50 to 99 miles 13.9 1.2 15.2 0.9 15.1 1.1
100 to 249 miles 7.8 0.7 10.9 1.3 10.2 1.3
250 to 499 miles 6.9 1.4 4.8 0.9 4.9 1.6
500 to 749 miles 10.1 1.2 8.1 0.5 8.3 1.1
750 to 999 miles 12.6 0.5 12.1 0.2 11.9 0.7
1,000 to 1,499 miles 10.9 0.3 24.8 0.2 24.5 1.3
1,500 to 1,999 miles 27.7 0.3 36.6 0.1 37.1 0.9
2,000 miles or more 17.8 0.5 23.8 0.2 23.3 1.9

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 8.1 12.5 11.1
Less than 50 miles 26.8 2.8 20.6 3.9 30.5 1.0
50 to 99 miles 23.6 1.9 20.7 1.2 19.8 0.7
100 to 249 miles 10.0 0.6 11.9 1.7 11.4 1.1
250 to 499 miles 7.3 2.3 5.4 2.1 5.4 1.9
500 to 749 miles 9.2 1.3 8.9 1.1 9.0 1.3
750 to 999 miles 13.8 0.6 12.9 0.4 12.7 0.8
1,000 to 1,499 miles 11.9 0.4 23.9 0.4 23.8 1.3
1,500 to 1,999 miles 27.8 0.4 37.1 0.3 37.5 1.0
2,000 miles or more 18.0 0.7 23.9 0.5 23.5 2.1

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 10.9 12.6 7.3
Less than 50 miles 15.1 3.3 13.7 1.6 12.7 2.0
50 to 99 miles 9.8 1.0 18.4 1.1 18.1 1.9
100 to 249 miles 13.7 1.7 13.7 1.2 12.1 3.0
250 to 499 miles 27.3 1.4 9.7 0.3 9.6 1.3
500 to 749 miles 28.9 1.2 11.7 0.2 11.0 1.5
750 to 999 miles 29.0 0.3 19.5 19.3 0.9
1,000 to 1,499 miles 42.8 0.3 38.7 0.1 36.6 1.7
1,500 to 1,999 miles S S 36.1 36.3
2,000 miles or more 40.7 45.9 46.6 0.1

Rail

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 22.2 S S 30.2
Less than 50 miles 36.2 0.7 45.5 1.1 39.0 0.2
50 to 99 miles S S S S S S
100 to 249 miles 24.7 6.8 19.9 9.6 16.7 6.8
250 to 499 miles 28.6 6.7 31.6 2.9 30.2 2.5
500 to 749 miles S S 37.5 8.2 37.5 8.6
750 to 999 miles S S 39.1 1.3 39.7 2.6
1,000 to 1,499 miles S S 29.0 1.3 29.5 3.3
1,500 to 1,999 miles
2,000 miles or more 42.5 2.0 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 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
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 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 22.2 27.8 36.3
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles 43.4 5.2 S S S S
250 to 499 miles 30.4 6.9 46.8 8.9 49.8 6.9
500 to 749 miles 18.4 4.8 35.4 5.9 40.1 7.8
750 to 999 miles 39.3 1.1 S S S S
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles 37.1 0.8 S S S S
2,000 miles or more 40.6 4.4 42.3 3.9 38.9 5.8

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 S S S S
100 to 249 miles S S
250 to 499 miles S S S S 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 11.3 19.5 14.4
Less than 50 miles 29.9 2.2 30.5 1.3 32.8
50 to 99 miles 25.5 1.5 33.1 1.5 33.3 0.3
100 to 249 miles 22.1 1.8 26.1 1.3 24.3 0.6
250 to 499 miles 13.5 1.9 28.8 2.6 30.8 2.6
500 to 749 miles 13.4 1.8 12.2 3.2 12.1 3.4
750 to 999 miles 12.7 1.1 23.4 0.9 23.2 1.2
1,000 to 1,499 miles 18.5 1.1 17.2 0.5 17.0 0.8
1,500 to 1,999 miles 23.5 0.4 19.8 0.3 19.7 0.9
2,000 miles or more 15.6 1.2 19.4 3.3 19.8 6.6

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 12.0 19.6 19.8
Less than 50 miles 29.9 2.2 30.5 1.6 32.8 0.1
50 to 99 miles 25.5 1.5 33.1 1.6 33.3 0.3
100 to 249 miles 22.1 1.8 27.7 1.9 26.3 0.7
250 to 499 miles 13.2 1.8 21.7 1.8 23.2 1.0
500 to 749 miles 14.5 2.0 16.1 2.8 16.1 2.9
750 to 999 miles 11.2 0.9 26.0 0.8 26.1 0.8
1,000 to 1,499 miles 18.5 1.1 17.3 0.8 17.1 1.4
1,500 to 1,999 miles 23.8 0.4 20.0 0.3 20.0 0.8
2,000 miles or more 16.9 1.0 29.0 1.2 28.8 3.4

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 48.7 48.5 33.5
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 S S S S S S
2,000 miles or more S S 38.0 13.4 37.9 9.3

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 42.7 41.5 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 S S S S S S
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
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 21.1 38.1 16.1
Less than 50 miles 24.9 8.1 43.1 13.0 34.1 8.0
50 to 99 miles 44.5 3.5 32.0 4.6 30.8 2.0
100 to 249 miles 27.4 3.4 27.4 4.2 26.9 2.6
250 to 499 miles 27.2 1.3 21.9 2.8 20.7 2.5
500 to 749 miles 45.1 5.1 30.4 1.9 29.6 3.8
750 to 999 miles 39.6 1.6 40.8 1.6 40.5 3.3
1,000 to 1,499 miles 42.9 0.5 S S S S
1,500 to 1,999 miles S S S S S S
2,000 miles or more 35.9 0.4 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.