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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table B-3. Estimated Measures of Reliability for Shipment Characteristics by Mode of Transportation and Distance Shipped for State of Origin: 2002

Monday, July 2, 2012

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 3.9 – 6.5 – 17.8 –
Less than 50 miles 6.1 1.9 9.6 2.7 18.7 1.3
50 to 99 miles 11.0 1.2 13.5 1.3 18.6 0.7
100 to 249 miles 20.0 1.8 10.7 0.9 8.8 0.9
250 to 499 miles 6.5 0.9 12.1 1.1 13.1 2.3
500 to 749 miles 13.8 1.3 19.8 1.2 17.8 3.1
750 to 999 miles 13.2 1.0 13.7 0.5 13.5 2.8
1,000 to 1,499 miles 10.2 0.5 S S S S
1,500 to 1,999 miles 16.4 0.3 17.3 0.1 30.3 1.9
2,000 miles or more 34.1 0.1 S S S S

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 3.8 – 6.7 – 19.1 –
Less than 50 miles 5.9 1.9 10.1 3.0 19.2 1.4
50 to 99 miles 10.7 1.2 13.1 1.2 19.0 0.7
100 to 249 miles 16.1 1.4 10.8 1.1 8.8 0.9
250 to 499 miles 7.9 0.9 12.4 1.2 13.5 2.4
500 to 749 miles 15.3 1.3 20.1 1.2 18.2 3.7
750 to 999 miles 14.3 1.0 15.6 0.6 16.0 3.1
1,000 to 1,499 miles 12.8 0.6 S S S S
1,500 to 1,999 miles 14.5 0.3 17.0 – 30.1 1.9
2,000 miles or more 35.1 0.1 S S S S

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All distances 5.8 – 17.2 – S S
Less than 50 miles 9.4 2.5 25.0 5.7 30.8 3.2
50 to 99 miles 15.4 1.7 10.5 1.6 11.1 1.7
100 to 249 miles 20.8 2.2 19.6 2.4 20.2 3.1
250 to 499 miles 8.1 0.9 14.0 1.4 13.1 4.0
500 to 749 miles 10.2 0.9 21.0 1.2 20.2 3.9
750 to 999 miles 7.6 0.5 8.8 0.3 9.1 2.3
1,000 to 1,499 miles 17.1 0.9 S S S S
1,500 to 1,999 miles 18.6 0.4 17.8 0.1 17.6 1.7
2,000 miles or more 30.8 – 45.8 – 46.1 0.3

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 – 23.7 – S S
Less than 50 miles 14.9 2.4 34.0 7.6 S S
50 to 99 miles 22.8 1.6 18.5 2.6 18.1 1.4
100 to 249 miles 31.3 3.8 14.0 2.1 16.5 2.0
250 to 499 miles 10.5 1.3 11.5 2.4 11.6 4.6
500 to 749 miles 11.0 2.1 11.7 1.3 11.5 4.2
750 to 999 miles 8.1 0.7 9.7 0.7 10.0 3.3
1,000 to 1,499 miles 18.0 1.6 S S S S
1,500 to 1,999 miles 18.2 0.6 19.8 0.3 20.0 2.2
2,000 miles or more 30.7 0.1 45.9 – 46.3 0.3

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 8.1 – 16.4 – 18.3 –
Less than 50 miles 11.5 3.5 20.4 4.4 13.6 4.9
50 to 99 miles 11.4 2.2 20.9 1.7 21.7 2.3
100 to 249 miles 13.2 1.8 25.7 2.8 25.8 5.2
250 to 499 miles 23.1 1.1 35.5 1.2 34.0 2.9
500 to 749 miles 33.6 0.3 S S S S
750 to 999 miles 23.2 0.1 22.0 – 23.6 0.8
1,000 to 1,499 miles 23.6 0.2 37.8 0.2 38.2 2.8
1,500 to 1,999 miles 49.1 0.1 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 13.8 – 10.8 – 12.2 –
Less than 50 miles 30.7 1.2 25.2 1.1 22.5 –
50 to 99 miles 16.9 1.2 16.0 0.9 15.6 0.2
100 to 249 miles 21.5 1.2 21.0 2.1 20.9 0.8
250 to 499 miles 14.3 3.4 9.2 1.9 8.7 1.7
500 to 749 miles 14.6 2.4 26.5 3.1 26.3 3.2
750 to 999 miles 29.7 2.9 16.3 2.5 16.8 3.0
1,000 to 1,499 miles 25.4 2.6 15.4 1.2 15.9 1.6
1,500 to 1,999 miles 20.8 1.0 11.8 0.4 12.0 1.2
2,000 miles or more 49.3 0.6 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 10.1 – 15.4 – 10.3 –
Less than 50 miles 17.9 6.0 21.4 5.2 25.9 2.3
50 to 99 miles S S S S S S
100 to 249 miles 22.5 1.7 20.7 1.9 20.7 1.2
250 to 499 miles 15.2 2.0 17.6 2.7 20.0 3.8
500 to 749 miles 28.6 3.7 30.1 2.6 27.0 7.4
750 to 999 miles 39.3 3.3 28.3 0.8 31.6 4.3
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

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 16.0 – 16.2 – 14.0 –
Less than 50 miles 25.9 6.6 24.3 4.9 S S
50 to 99 miles S S S S S S
100 to 249 miles 22.6 3.3 21.6 3.0 22.4 2.2
250 to 499 miles 14.5 2.4 16.6 1.6 19.9 4.0
500 to 749 miles 29.4 1.7 18.0 2.1 16.9 4.0
750 to 999 miles 39.3 4.3 28.3 2.4 31.6 6.3
1,000 to 1,499 miles S S S S S S
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 30.3 – 32.2 – 26.9 –
Less than 50 miles 33.6 8.1 34.1 8.3 35.2 5.4
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 36.4 5.8 37.9 4.8 37.1 11.1
750 to 999 miles – – – – – –
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

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 45.5 – 25.8 – 23.4 –
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 44.7 9.2 43.8 9.9 45.4 9.9
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 38.3 10.2 S S S S
1,500 to 1,999 miles 38.5 2.7 48.1 8.3 S S
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 17.7 – 16.8 – S S
Less than 50 miles 25.6 8.4 24.9 7.8 S S
50 to 99 miles 28.3 8.5 27.5 8.4 S S
100 to 249 miles 40.7 2.8 39.9 2.9 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 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 13.0 – 30.8 – 41.4 –
Less than 50 miles 27.4 2.9 36.2 2.1 S S
50 to 99 miles 32.1 2.0 S S S S
100 to 249 miles 19.7 1.6 32.3 2.5 34.7 1.7
250 to 499 miles 21.8 3.1 S S S S
500 to 749 miles 30.6 2.4 S S S S
750 to 999 miles 24.7 3.9 S S S S
1,000 to 1,499 miles 17.8 2.6 S S S S
1,500 to 1,999 miles 36.2 2.1 S S S S
2,000 miles or more 44.7 0.3 S S S S

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 15.2 – 16.1 – 23.2 –
Less than 50 miles 27.7 3.9 25.1 6.2 19.1 0.8
50 to 99 miles 18.0 1.6 23.0 4.6 25.1 1.6
100 to 249 miles 20.9 1.6 33.7 3.2 31.1 1.7
250 to 499 miles 21.4 2.6 23.2 3.5 24.4 3.9
500 to 749 miles 31.1 2.3 30.7 3.0 30.6 3.0
750 to 999 miles 25.9 1.6 24.9 1.8 25.2 2.0
1,000 to 1,499 miles 26.1 2.5 46.3 2.9 S S
1,500 to 1,999 miles 42.6 2.1 29.6 0.7 31.2 3.7
2,000 miles or more 48.4 0.4 46.3 0.2 45.8 0.9

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 37.7 – 44.6 – 35.2 –
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 44.3 10.5 S S S S
750 to 999 miles S S S S S S
1,000 to 1,499 miles S S 48.4 13.6 46.1 13.0
1,500 to 1,999 miles S S S S S S
2,000 miles or more – – – – – –

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 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 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 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 – – – – – –
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 S S S S S S
1,500 to 1,999 miles – – – – – –
2,000 miles or more S S S S S S

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 41.9 – S S S S
Less than 50 miles 33.4 9.2 S S 46.1 7.5
50 to 99 miles 46.9 1.5 45.8 0.7 42.5 1.7
100 to 249 miles S S S S S S
250 to 499 miles 36.5 2.5 32.2 2.1 29.1 6.4
500 to 749 miles S S S S S S
750 to 999 miles 45.7 2.8 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 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.