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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 CBSA 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 CBSA 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 10.9 – 13.3 – 7.8 –
Less than 50 miles 24.1 4.5 18.7 5.5 17.6 2.0
50 to 99 miles 16.7 3.0 17.0 3.1 17.9 2.6
100 to 249 miles 12.9 2.2 22.1 2.3 25.7 2.9
250 to 499 miles 20.9 0.4 22.8 0.6 22.6 1.4
500 to 749 miles 14.4 0.6 35.9 0.3 33.3 1.5
750 to 999 miles 30.1 4.0 15.5 0.8 15.6 3.0
1,000 to 1,499 miles 33.8 1.1 26.8 0.3 27.4 2.7
1,500 to 1,999 miles 36.9 0.4 48.0 0.2 49.0 1.9
2,000 miles or more 28.1 0.7 15.8 0.2 16.0 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 13.5 – 13.4 – 8.4 –
Less than 50 miles 26.1 5.2 18.6 5.4 17.5 1.9
50 to 99 miles 22.0 3.8 17.2 3.2 18.1 2.7
100 to 249 miles 18.5 2.2 22.3 2.3 26.0 2.9
250 to 499 miles 17.7 0.4 23.5 0.6 23.3 1.6
500 to 749 miles 19.1 0.7 37.1 0.3 34.6 1.8
750 to 999 miles 38.1 4.9 15.7 0.8 15.8 3.5
1,000 to 1,499 miles 34.1 0.9 34.3 0.3 35.2 3.0
1,500 to 1,999 miles S S 32.5 – 33.8 0.8
2,000 miles or more 34.6 0.7 22.4 0.2 23.3 2.9

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error of percent CV Std. error of percent CV Std. error of percent
All distances 15.1 – 13.4 – 9.4 –
Less than 50 miles 26.0 5.0 18.5 5.3 17.6 2.2
50 to 99 miles 22.1 3.5 17.3 3.2 18.2 2.6
100 to 249 miles 18.5 2.0 22.5 2.3 26.1 2.8
250 to 499 miles 17.9 0.4 23.5 0.6 23.3 1.6
500 to 749 miles 23.8 0.9 37.1 0.3 34.7 1.8
750 to 999 miles 20.0 2.2 15.7 0.8 15.8 3.4
1,000 to 1,499 miles 34.4 1.0 27.4 0.2 27.4 2.0
1,500 to 1,999 miles S S 32.5 – 33.8 0.8
2,000 miles or more 39.2 0.7 25.5 0.2 26.6 2.8

Rail

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

All other 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 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 S S S S
250 to 499 miles S S 48.9 3.3 49.3 2.0
500 to 749 miles S S S S S S
750 to 999 miles S S 32.5 12.7 32.5 11.5
1,000 to 1,499 miles S S S S S S
1,500 to 1,999 miles S S 47.6 1.5 48.4 2.3
2,000 miles or more S S S S 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 19.5 – S S 35.6 –
Less than 50 miles 26.3 3.4 S S S S
50 to 99 miles 29.5 3.4 31.3 4.5 35.2 1.2
100 to 249 miles 32.5 4.2 20.1 6.1 19.7 2.4
250 to 499 miles 38.5 3.6 29.1 1.2 30.0 1.1
500 to 749 miles 28.9 1.3 S S S S
750 to 999 miles 34.9 2.8 24.0 1.7 23.3 2.2
1,000 to 1,499 miles 40.6 2.0 35.5 3.3 36.4 3.9
1,500 to 1,999 miles 44.6 1.3 32.5 2.1 37.3 4.0
2,000 miles or more 32.6 2.9 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 19.9 – 21.2 – 27.0 –
Less than 50 miles 26.5 3.2 25.5 3.6 27.1 0.2
50 to 99 miles 29.5 3.4 31.6 2.4 33.0 0.7
100 to 249 miles 32.7 4.1 20.9 3.5 21.4 2.4
250 to 499 miles 38.5 4.1 29.1 1.8 30.0 2.5
500 to 749 miles 29.2 1.4 S S S S
750 to 999 miles 34.9 3.2 24.0 2.2 23.3 3.3
1,000 to 1,499 miles 41.5 1.8 45.2 1.4 44.6 2.3
1,500 to 1,999 miles 45.7 1.1 34.1 1.2 32.4 4.1
2,000 miles or more 35.1 1.6 42.0 1.3 43.7 3.8

All 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 S S S S S S
100 to 249 miles S S S S S S
250 to 499 miles – – – – – –
500 to 749 miles S S S S S S
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

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 30.8 – 45.6 – S S
Less than 50 miles 37.2 9.4 S S 43.2 9.6
50 to 99 miles 49.0 4.5 39.7 6.7 39.6 6.1
100 to 249 miles S S 33.0 5.3 33.8 8.6
250 to 499 miles S S S S S S
500 to 749 miles 46.1 0.4 42.7 0.3 42.7 0.6
750 to 999 miles S S 49.7 0.5 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, Metropolitan Data, December 2004.