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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 7.5 – 20.9 – 19.0 –
Less than 50 miles 11.1 2.0 33.2 10.1 34.0 2.8
50 to 99 miles 14.9 0.8 21.1 1.5 20.9 1.1
100 to 249 miles 23.1 1.1 37.4 0.8 41.4 0.7
250 to 499 miles 14.1 3.3 22.1 6.9 24.2 5.7
500 to 749 miles 13.1 1.8 26.3 3.9 28.0 5.3
750 to 999 miles 25.2 0.4 25.7 0.8 26.5 1.8
1,000 to 1,499 miles 24.7 1.2 29.4 0.5 29.3 2.5
1,500 to 1,999 miles 15.9 1.4 20.8 0.2 20.9 1.9
2,000 miles or more S S 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 7.4 – 19.6 – 17.4 –
Less than 50 miles 12.1 2.3 31.6 8.0 33.6 2.4
50 to 99 miles 15.9 1.0 21.2 1.4 21.0 1.1
100 to 249 miles 28.6 1.5 37.6 0.9 41.5 0.8
250 to 499 miles 20.1 4.2 22.0 6.4 24.2 5.8
500 to 749 miles 14.6 2.0 23.6 3.6 25.3 5.2
750 to 999 miles 29.9 0.5 25.2 0.8 25.8 1.8
1,000 to 1,499 miles 25.1 1.0 31.0 0.5 29.7 2.5
1,500 to 1,999 miles 20.8 1.9 22.3 0.3 22.2 2.0
2,000 miles or more S S 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 7.9 – 28.2 – 26.2 –
Less than 50 miles 12.2 2.6 31.7 8.0 33.6 5.4
50 to 99 miles 17.4 1.0 22.2 3.6 27.7 1.4
100 to 249 miles 28.5 1.4 34.6 1.9 33.9 1.1
250 to 499 miles 21.5 4.2 33.1 1.9 33.0 2.5
500 to 749 miles 16.6 2.5 28.4 1.7 27.3 2.4
750 to 999 miles 32.1 0.4 47.0 0.4 46.7 1.7
1,000 to 1,499 miles 25.9 1.1 S S S S
1,500 to 1,999 miles 24.5 2.0 22.3 0.9 22.3 3.8
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 29.8 – 21.1 – 23.3 –
Less than 50 miles S S S S S S
50 to 99 miles 27.9 10.3 22.8 10.3 23.3 10.3
100 to 249 miles S S S S S S
250 to 499 miles 48.7 10.4 31.1 8.5 31.0 8.1
500 to 749 miles 41.5 6.5 29.7 5.3 32.3 6.4
750 to 999 miles 29.3 1.4 28.5 2.5 28.9 4.6
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 – – – – – –

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 42.4 – 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 40.4 11.9 S S S S
750 to 999 miles S S S S S S
1,000 to 1,499 miles 37.1 1.3 S S S S
1,500 to 1,999 miles S S 32.3 11.9 32.4 12.1
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 18.1 – S S S S
Less than 50 miles 27.6 0.5 38.7 0.7 28.9 –
50 to 99 miles 35.2 0.3 44.2 1.5 46.3 0.1
100 to 249 miles S S S S S S
250 to 499 miles 37.8 4.1 S S S S
500 to 749 miles 29.9 4.2 S S S S
750 to 999 miles 17.2 0.9 S S S S
1,000 to 1,499 miles 27.0 3.5 S S S S
1,500 to 1,999 miles 18.4 4.3 48.6 6.2 S S
2,000 miles or more 28.3 1.7 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 17.0 – 33.4 – 27.8 –
Less than 50 miles 28.5 0.5 49.7 0.7 36.4 –
50 to 99 miles 35.2 0.3 44.2 1.2 46.3 0.1
100 to 249 miles S S S S S S
250 to 499 miles 37.9 4.5 S S S S
500 to 749 miles 31.0 4.2 S S S S
750 to 999 miles 16.8 0.9 27.2 1.3 28.0 1.4
1,000 to 1,499 miles 24.2 3.5 45.4 2.0 46.2 2.6
1,500 to 1,999 miles 15.8 4.5 20.6 4.4 20.6 5.6
2,000 miles or more 30.0 1.8 23.1 0.7 22.7 1.5

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 – – – – – –
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 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 23.9 – 45.3 – 36.5 –
Less than 50 miles 26.3 9.8 46.3 18.2 45.8 14.5
50 to 99 miles 46.4 9.6 46.4 8.5 46.6 4.4
100 to 249 miles 47.9 6.3 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 36.9 0.4 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.