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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]

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 3.4 – 10.5 – 3.1 –
Less than 50 miles 6.8 1.6 18.1 4.2 14.3 0.8
50 to 99 miles 11.9 0.8 15.8 1.5 14.0 0.5
100 to 249 miles 8.0 0.8 9.1 1.6 10.9 1.1
250 to 499 miles 5.2 0.8 8.6 1.2 9.1 1.3
500 to 749 miles 7.9 1.1 9.9 0.7 10.2 2.2
750 to 999 miles 6.5 0.5 14.1 1.5 13.4 3.6
1,000 to 1,499 miles 9.5 0.3 17.1 0.2 17.5 0.7
1,500 to 1,999 miles 10.9 0.6 15.0 0.2 15.3 1.4
2,000 miles or more 34.1 – 35.4 – 45.2 –

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 3.6 – 11.2 – 4.0 –
Less than 50 miles 6.8 1.8 18.6 4.1 14.9 0.9
50 to 99 miles 11.0 0.7 16.4 1.5 14.8 0.6
100 to 249 miles 7.7 0.7 9.5 1.7 11.6 1.1
250 to 499 miles 5.8 1.0 8.6 1.3 9.2 1.8
500 to 749 miles 7.3 0.8 10.5 0.6 11.0 1.9
750 to 999 miles 9.0 0.6 12.6 1.3 11.1 3.0
1,000 to 1,499 miles 10.6 0.3 8.8 – 8.8 0.3
1,500 to 1,999 miles 10.7 0.4 17.6 0.2 18.2 1.5
2,000 miles or more S S 47.8 – 46.1 –

Truck

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All distances 4.1 – 17.4 – 8.7 –
Less than 50 miles 7.6 2.0 23.4 3.7 19.3 1.3
50 to 99 miles 11.2 0.8 18.8 2.2 18.0 1.0
100 to 249 miles 9.0 0.8 21.8 1.1 19.0 1.5
250 to 499 miles 6.1 1.1 10.5 1.1 9.7 1.4
500 to 749 miles 6.6 0.7 9.1 0.5 9.2 0.9
750 to 999 miles 11.3 0.7 12.7 0.3 13.0 1.2
1,000 to 1,499 miles 11.3 0.3 11.1 – 11.1 0.5
1,500 to 1,999 miles 11.1 0.4 14.2 0.1 14.2 1.4
2,000 miles or more S S S S S S

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 5.1 – 14.2 – 8.0 –
Less than 50 miles 10.9 2.2 23.6 5.2 20.0 1.1
50 to 99 miles 13.9 0.7 29.4 3.6 28.0 1.4
100 to 249 miles 7.6 1.3 14.3 2.0 12.0 1.2
250 to 499 miles 7.8 1.4 8.6 1.4 8.1 1.2
500 to 749 miles 6.5 0.9 9.5 1.0 9.7 1.7
750 to 999 miles 12.4 0.9 13.5 0.5 13.8 1.1
1,000 to 1,499 miles 11.4 0.4 11.4 0.1 11.2 0.6
1,500 to 1,999 miles 11.1 0.5 12.3 0.1 12.2 1.1
2,000 miles or more S S S S S S

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 12.6 – 27.2 – 27.5 –
Less than 50 miles 12.3 2.2 28.5 2.5 27.3 3.9
50 to 99 miles 18.5 1.7 29.6 1.5 30.0 2.1
100 to 249 miles 19.0 1.2 42.4 0.9 41.1 2.8
250 to 499 miles 19.9 1.1 42.6 0.8 41.1 3.3
500 to 749 miles 22.1 0.7 39.1 0.4 38.2 2.1
750 to 999 miles 26.2 0.8 27.9 0.2 27.2 2.1
1,000 to 1,499 miles 44.9 – S S S S
1,500 to 1,999 miles S S S S S S
2,000 miles or more – – – – – –

Rail

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 – 20.5 – 21.6 –
Less than 50 miles 46.7 5.0 37.4 7.7 35.2 2.4
50 to 99 miles 26.4 0.8 33.2 3.0 32.3 1.0
100 to 249 miles 36.0 1.7 29.2 2.1 25.2 1.5
250 to 499 miles 15.9 4.4 32.1 5.1 26.8 4.9
500 to 749 miles 31.7 3.3 27.8 2.1 23.5 4.8
750 to 999 miles 34.2 4.4 S S S S
1,000 to 1,499 miles 29.6 0.9 23.5 0.7 23.9 1.6
1,500 to 1,999 miles 43.0 4.6 40.0 1.2 40.5 4.1
2,000 miles or more – – – – – –

Water

Distance Shipped Value Tons Ton-miles
CV Std. error
of percent		 CV Std. error
of percent		 CV Std. error
of percent
All distances 10.7 – 21.1 – 11.7 –
Less than 50 miles S S 44.7 3.2 45.9 0.2
50 to 99 miles S S S S S S
100 to 249 miles 44.9 2.2 S S S S
250 to 499 miles 31.9 4.6 34.4 3.8 36.0 3.5
500 to 749 miles 28.5 5.7 24.0 5.3 24.3 5.4
750 to 999 miles 15.3 7.5 16.0 8.2 15.8 6.6
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 10.8 – 21.1 – 11.7 –
Less than 50 miles S S 44.7 3.2 45.9 0.2
50 to 99 miles S S S S S S
100 to 249 miles 44.9 2.2 S S S S
250 to 499 miles 31.9 4.5 34.4 3.8 36.0 3.5
500 to 749 miles 28.5 5.7 24.0 5.3 24.3 5.4
750 to 999 miles 15.3 7.6 16.0 8.2 15.8 6.6
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 20.1 – 18.6 – 27.2 –
Less than 50 miles – – – – – –
50 to 99 miles S S S S S S
100 to 249 miles 40.3 6.8 24.7 2.6 24.1 1.1
250 to 499 miles 34.8 3.9 41.2 5.7 41.6 3.9
500 to 749 miles 29.5 5.4 23.8 3.4 24.4 2.5
750 to 999 miles 26.7 4.8 28.4 4.0 27.6 5.6
1,000 to 1,499 miles S S 40.9 3.2 43.6 5.2
1,500 to 1,999 miles S S S S S S
2,000 miles or more 44.5 0.5 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 17.4 – 18.2 – S S
Less than 50 miles 20.0 8.2 22.7 8.4 S S
50 to 99 miles S S S S S S
100 to 249 miles 26.5 8.4 28.3 8.6 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
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 14.3 – 22.9 – 23.2 –
Less than 50 miles 19.1 1.2 S S 47.4 0.3
50 to 99 miles 41.1 1.2 S S S S
100 to 249 miles 17.8 1.4 36.8 4.5 37.2 1.7
250 to 499 miles 22.3 1.9 35.4 2.5 32.8 1.0
500 to 749 miles 23.3 2.8 S S S S
750 to 999 miles 9.7 1.5 41.4 8.2 41.6 11.2
1,000 to 1,499 miles 15.4 1.3 S S S S
1,500 to 1,999 miles 24.1 1.6 16.0 3.4 16.7 6.8
2,000 miles or more 24.4 – 34.8 – 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 14.2 – 31.7 – 11.3 –
Less than 50 miles 20.4 1.6 S S S S
50 to 99 miles 41.5 1.3 49.5 1.2 S S
100 to 249 miles 18.5 1.7 45.8 1.9 43.8 1.7
250 to 499 miles 22.1 1.9 23.7 2.6 22.8 2.4
500 to 749 miles 24.2 2.8 12.1 3.8 13.3 3.2
750 to 999 miles 11.9 1.2 9.9 1.8 9.7 2.0
1,000 to 1,499 miles 17.6 1.5 11.7 1.0 12.9 1.3
1,500 to 1,999 miles 19.7 1.2 15.2 1.3 15.1 2.4
2,000 miles or more 23.9 – 22.0 – 21.0 0.2

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 37.1 – 46.5 – 17.8 –
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 29.2 7.6 28.2 4.7
750 to 999 miles 33.0 7.0 28.7 3.7 28.2 2.2
1,000 to 1,499 miles 48.0 2.7 S S S S
1,500 to 1,999 miles 38.7 5.2 19.2 9.2 19.6 8.3
2,000 miles or more S S S S S S

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 34.9 – 34.2 – 45.3 –
Less than 50 miles S S S S S S
50 to 99 miles S S S S S S
100 to 249 miles S S S S S S
250 to 499 miles – – – – – –
500 to 749 miles – – – – – –
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 36.5 18.5 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 – – – – – –
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 – – – – – –
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 S S S S S S
250 to 499 miles S S S S S S
500 to 749 miles – – – – – –
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

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 16.2 – 27.6 – 23.3 –
Less than 50 miles 23.5 8.6 33.8 10.3 29.8 5.8
50 to 99 miles 36.7 1.7 S S 48.7 1.1
100 to 249 miles 22.8 2.0 25.3 2.4 28.8 2.2
250 to 499 miles 37.8 4.1 45.9 4.0 42.2 3.9
500 to 749 miles 25.0 2.5 S S S S
750 to 999 miles 28.1 0.8 33.4 1.0 34.2 4.1
1,000 to 1,499 miles 35.0 0.8 33.9 0.4 33.7 3.2
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.