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 6.9 11.8 9.4
Less than 50 miles 8.1 1.8 16.3 3.9 17.7 2.8
50 to 99 miles 6.7 0.7 26.5 2.5 23.3 1.8
100 to 249 miles 13.1 1.0 21.2 1.5 20.0 1.6
250 to 499 miles 25.2 1.3 9.4 0.5 8.8 0.9
500 to 749 miles 10.2 0.4 22.0 0.5 20.9 1.0
750 to 999 miles 8.0 0.8 11.3 0.4 11.8 1.6
1,000 to 1,499 miles 5.6 0.8 20.2 0.6 20.8 2.5
1,500 to 1,999 miles 7.0 0.1 29.1 29.6 0.7
2,000 miles or more 6.0 0.3 12.6 0.1 12.4 1.2

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 7.1 12.2 9.6
Less than 50 miles 7.5 2.4 16.8 3.9 17.8 2.9
50 to 99 miles 8.2 0.9 26.3 2.5 23.2 1.8
100 to 249 miles 12.0 1.0 21.5 1.5 20.3 1.7
250 to 499 miles 28.2 1.7 9.7 0.5 9.1 0.9
500 to 749 miles 11.6 0.5 22.5 0.5 21.4 1.1
750 to 999 miles 10.4 0.8 11.8 0.4 12.3 1.6
1,000 to 1,499 miles 10.3 0.8 21.2 0.6 21.9 2.6
1,500 to 1,999 miles 12.5 0.1 29.0 29.5 0.7
2,000 miles or more 12.3 0.4 13.7 0.1 13.7 1.3

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 7.8 12.7 10.7
Less than 50 miles 7.6 2.3 13.0 3.1 18.0 1.3
50 to 99 miles 8.3 0.9 27.2 2.6 25.2 2.3
100 to 249 miles 12.6 1.0 22.5 1.5 21.4 1.8
250 to 499 miles 30.0 1.8 10.7 0.4 10.9 0.8
500 to 749 miles 13.4 0.5 18.9 0.2 18.5 0.7
750 to 999 miles 9.2 0.6 10.1 0.3 10.0 0.9
1,000 to 1,499 miles 11.3 0.5 16.0 0.3 15.5 1.9
1,500 to 1,999 miles 10.0 17.9 18.0 0.4
2,000 miles or more 15.0 0.4 16.7 0.1 16.7 2.1

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 14.7 10.3 8.5
Less than 50 miles 8.9 2.2 16.2 5.1 15.5 1.2
50 to 99 miles 13.4 0.8 31.3 4.4 29.9 2.6
100 to 249 miles 26.3 1.6 20.9 1.8 19.0 1.7
250 to 499 miles S S 12.6 0.8 12.4 1.1
500 to 749 miles 15.8 1.0 22.2 0.3 21.6 1.2
750 to 999 miles 11.0 1.3 11.7 0.4 11.6 0.9
1,000 to 1,499 miles 10.1 1.1 15.9 0.4 15.4 2.0
1,500 to 1,999 miles 12.3 0.2 21.2 20.7 0.5
2,000 miles or more 15.0 0.9 16.8 0.3 16.9 2.7

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 7.0 21.4 21.3
Less than 50 miles 10.1 2.9 18.6 3.1 24.0 3.1
50 to 99 miles 10.4 1.0 41.4 2.0 38.5 2.6
100 to 249 miles 7.7 1.2 28.5 2.1 29.9 2.6
250 to 499 miles 30.1 2.0 19.5 0.6 22.7 2.4
500 to 749 miles 23.6 0.2 36.1 0.3 35.0 1.9
750 to 999 miles 36.9 0.3 20.7 0.1 21.0 1.5
1,000 to 1,499 miles 34.5 0.3 30.7 0.2 31.2 2.0
1,500 to 1,999 miles 35.7 36.0 36.4 0.5
2,000 miles or more 44.1 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 19.6 S S 21.2
Less than 50 miles 42.8 7.6 S S S S
50 to 99 miles S S S S S S
100 to 249 miles 25.6 1.8 40.2 2.1 32.1 0.6
250 to 499 miles 20.9 2.8 26.2 2.2 21.4 0.9
500 to 749 miles 31.0 2.3 S S S S
750 to 999 miles 35.0 4.1 25.6 2.2 25.7 4.8
1,000 to 1,499 miles S S 32.6 4.5 33.0 5.7
1,500 to 1,999 miles 38.8 0.5 S S S S
2,000 miles or more S S 47.7 0.2 47.5 1.4

Water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All distances 43.2 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 S S S S S S
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 S S S S S S

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 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

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 45.3 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 S S S S S S
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 S S S S S S

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 21.6 38.1 41.5
Less than 50 miles
50 to 99 miles 41.0 0.1 46.7 0.3 41.1
100 to 249 miles S S S S S S
250 to 499 miles 46.1 2.3 S S S S
500 to 749 miles 30.5 2.1 44.9 0.9 43.7 0.7
750 to 999 miles 47.5 7.9 S S S S
1,000 to 1,499 miles 21.2 5.4 36.9 8.2 35.8 8.7
1,500 to 1,999 miles 34.5 1.9 32.1 1.0 34.8 1.6
2,000 miles or more 23.2 4.3 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 49.5 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 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 S S 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 9.7 16.9 10.7
Less than 50 miles 14.2 1.3 S S 46.2 0.2
50 to 99 miles 21.1 1.0 21.5 0.9 23.2 0.1
100 to 249 miles 19.1 2.0 17.4 2.5 22.7 0.7
250 to 499 miles 10.5 0.6 28.3 4.5 25.0 1.8
500 to 749 miles 11.2 0.4 13.8 1.0 15.0 1.0
750 to 999 miles 12.1 1.4 19.8 2.8 20.5 3.1
1,000 to 1,499 miles 14.8 3.1 27.0 5.5 25.7 4.7
1,500 to 1,999 miles 17.1 0.4 15.9 0.4 16.0 1.1
2,000 miles or more 16.8 1.2 16.7 1.7 17.6 3.4

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 9.8 12.1 15.4
Less than 50 miles 14.5 1.4 12.8 1.7 13.1
50 to 99 miles 21.1 1.0 22.9 0.7 24.4 0.1
100 to 249 miles 19.2 2.0 19.6 2.8 21.0 1.1
250 to 499 miles 10.7 0.7 20.2 1.4 22.0 1.0
500 to 749 miles 11.2 0.4 11.9 0.9 11.9 1.1
750 to 999 miles 12.1 1.4 23.1 2.7 23.4 2.6
1,000 to 1,499 miles 14.8 3.1 16.7 2.4 17.4 2.6
1,500 to 1,999 miles 17.3 0.4 20.1 0.4 19.9 0.8
2,000 miles or more 18.5 1.2 19.4 1.8 19.9 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 27.7 38.2 29.8
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 38.2 9.2 S S S S
500 to 749 miles S S S S S S
750 to 999 miles 47.4 6.8 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 40.0 7.2 42.7 6.8 42.1 8.8

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 43.8
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
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 47.2 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 S S S S S S
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 35.4 19.4 24.3
Less than 50 miles 37.3 5.7 18.7 7.0 17.9 3.1
50 to 99 miles 28.8 1.9 S S S S
100 to 249 miles S S 39.9 3.3 41.7 3.8
250 to 499 miles 39.7 0.8 S S S S
500 to 749 miles 38.8 0.8 S S S S
750 to 999 miles 37.0 1.9 45.4 0.9 45.0 3.7
1,000 to 1,499 miles 49.9 4.6 37.3 1.1 40.2 8.9
1,500 to 1,999 miles S S S S S S
2,000 miles or more 33.7 0.6 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.