Table B-18 - Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Shipment Size for State of Origin: 2002

Table B-18 - Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Shipment Size 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 Commodities

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 4.5 10.2 9.8 8.6
Less than 50 lbs 6.4 0.7 9.5 14.5 7.0
50 to 99 lbs 13.0 0.8 36.8 0.1 S S 15.3
100 to 499 lbs 7.8 0.8 12.9 0.1 9.5 8.3
500 to 749 lbs 11.3 0.2 13.0 7.5 12.2
750 to 999 lbs 11.5 0.2 21.0 5.4 21.5
1,000 to 9,999 lbs 7.9 1.2 15.4 0.6 7.3 0.5 17.3
10,000 to 49,999 lbs 9.4 2.7 16.7 4.9 13.2 6.7 8.4
50,000 to 99,999 lbs 16.9 0.7 23.7 3.9 42.9 3.2 16.5
100,000 lbs or more 14.5 0.4 24.0 4.4 20.1 6.9 10.8

SCTG 1, Live animals and live fish

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes S S S S S S S
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs S S S S S S 31.6
100 to 499 lbs S S S S S S 31.6
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs
10,000 to 49,999 lbs S S S S S S 29.9
50,000 to 99,999 lbs S S S S S S 29.8
100,000 lbs or more

SCTG 2, Cereal grains

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 32.2 30.6 25.4 38.8
Less than 50 lbs S S S S S S S
50 to 99 lbs S S S S S S 31.6
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S 42.2 1.9 48.0
10,000 to 49,999 lbs S S S S S S 28.7
50,000 to 99,999 lbs 49.7 10.8 49.4 11.1 S S 30.9
100,000 lbs or more 32.0 11.2 29.8 11.7 30.5 10.5 14.3

SCTG 3, Other agricultural products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 34.4 34.9 43.3 S
Less than 50 lbs S S S S S S 44.1
50 to 99 lbs S S S S S S S
100 to 499 lbs S S 41.1 3.2 S S 39.0
500 to 749 lbs S S S S S S 42.9
750 to 999 lbs S S S S S S 40.9
1,000 to 9,999 lbs S S S S S S 27.3
10,000 to 49,999 lbs S S S S S S 48.9
50,000 to 99,999 lbs 35.4 8.8 35.6 9.2 47.8 8.6 S
100,000 lbs or more 47.3 10.9 49.6 12.6 S S 35.7

SCTG 4, Animal feed and products of animal origin, nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 32.4 S S S S S
Less than 50 lbs S S S S S S S
50 to 99 lbs S S S S S S 31.2
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S S S S
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs 45.0 8.2 43.1 6.0 S S S
10,000 to 49,999 lbs S S S S S S S
50,000 to 99,999 lbs 36.6 9.2 S S S S 22.9
100,000 lbs or more 44.1 7.2 43.6 6.9 43.4 10.5 23.8

SCTG 5, Meat, fish, seafood, and their preparations

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes S S S S S S 36.6
Less than 50 lbs S S S S S S S
50 to 99 lbs S S S S S S S
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S S S S
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs 38.3 4.4 42.4 4.9 46.3 4.5 30.9
10,000 to 49,999 lbs S S S S S S 7.4
50,000 to 99,999 lbs S S S S S S 41.1
100,000 lbs or more S S S S S S 28.0

SCTG 6, Milled grain products and preparations, and bakery products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes S S 26.8 33.1 41.2
Less than 50 lbs S S S S 45.9 S
50 to 99 lbs 43.2 45.6 45.8 0.1 29.9
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S 47.1 3.4 S
750 to 999 lbs S S 44.9 0.2 S S S
1,000 to 9,999 lbs 49.5 1.5 38.0 0.7 42.5 0.4 S
10,000 to 49,999 lbs S S 27.5 5.7 32.4 9.6 13.2
50,000 to 99,999 lbs S S S S S S 29.2
100,000 lbs or more S S S S S S 21.7

SCTG 7, Other prepared foodstuffs and fats and oils

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 18.5 29.6 26.5 S
Less than 50 lbs S S S S S S S
50 to 99 lbs 46.9 0.5 33.5 0.1 29.4 S
100 to 499 lbs 29.0 1.0 34.3 0.6 34.4 0.2 S
500 to 749 lbs S S S S 41.6 S
750 to 999 lbs S S 47.7 0.2 26.3 S
1,000 to 9,999 lbs 38.7 1.4 31.1 1.4 33.2 1.6 33.8
10,000 to 49,999 lbs 21.5 4.7 38.6 7.9 36.1 9.3 17.6
50,000 to 99,999 lbs S S 20.5 1.1 26.9 0.8 23.0
100,000 lbs or more 33.6 2.9 33.1 7.6 33.4 9.2 21.4

SCTG 8, Alcoholic beverages

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 44.4 41.9 S S 40.8
Less than 50 lbs S S 49.5 1.0 44.1 1.3 26.3
50 to 99 lbs S S S S S S 26.5
100 to 499 lbs S S S S 47.1 7.7 48.5
500 to 749 lbs S S S S S S 32.8
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs S S S S S S S
10,000 to 49,999 lbs S S S S S S 28.5
50,000 to 99,999 lbs 47.7 9.6 42.6 9.5 S S 46.9
100,000 lbs or more S S S S S S 29.8

SCTG 9, Tobacco products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes S S S S S S 29.9
Less than 50 lbs S S S S S S 29.8
50 to 99 lbs S S S S S S 30.6
100 to 499 lbs S S S S S S 30.0
500 to 749 lbs S S S S S S 30.0
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S S S 30.5
10,000 to 49,999 lbs
50,000 to 99,999 lbs
100,000 lbs or more

SCTG 10, Monumental or building stone

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes
Less than 50 lbs
50 to 99 lbs
100 to 499 lbs
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs
10,000 to 49,999 lbs
50,000 to 99,999 lbs
100,000 lbs or more

SCTG 11, Natural sands

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 43.2 S S S S 42.2
Less than 50 lbs
50 to 99 lbs
100 to 499 lbs
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs S S S S S S 27.0
10,000 to 49,999 lbs S S S S S S S
50,000 to 99,999 lbs S S S S S S 31.1
100,000 lbs or more S S S S S S S

SCTG 12, Gravel and crushed stone

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 18.0 21.2 30.8 15.4
Less than 50 lbs
50 to 99 lbs
100 to 499 lbs
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs 49.2 30.1 26.9 S
10,000 to 49,999 lbs 30.9 7.2 41.3 7.8 S S 15.4
50,000 to 99,999 lbs 21.6 4.7 18.8 6.1 49.9 6.2 19.5
100,000 lbs or more 30.9 8.2 33.6 8.5 36.7 17.6 29.5

SCTG 13, Nonmetallic minerals nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes S S S S S S S
Less than 50 lbs S S 47.6 0.2 S S 27.6
50 to 99 lbs 47.7 1.3 S S 46.3 0.2 S
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S S S 38.5
750 to 999 lbs S S S S S S 28.0
1,000 to 9,999 lbs S S S S S S S
10,000 to 49,999 lbs S S S S S S S
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 31.6

SCTG 14, Metallic ores and concentrates

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 32.6 32.0 34.6 45.6
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs
100 to 499 lbs
500 to 749 lbs
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S S S 30.0
10,000 to 49,999 lbs 35.3 5.3 33.6 5.7 33.2 7.2 30.6
50,000 to 99,999 lbs 35.6 6.9 36.7 6.9 46.3 8.4 29.0
100,000 lbs or more S S S S S S 29.8

SCTG 15, Coal

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes
Less than 50 lbs
50 to 99 lbs
100 to 499 lbs
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs
10,000 to 49,999 lbs
50,000 to 99,999 lbs
100,000 lbs or more

SCTG 17, Gasoline and aviation turbine fuel

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 27.6 25.9 36.3 23.6
Less than 50 lbs
50 to 99 lbs
100 to 499 lbs S S S S S S 30.4
500 to 749 lbs S S S S S S 29.8
750 to 999 lbs S S S S S S 31.6
1,000 to 9,999 lbs S S S S S S 27.2
10,000 to 49,999 lbs 33.2 7.5 32.7 7.4 36.7 6.4 42.5
50,000 to 99,999 lbs 38.5 8.3 36.4 8.2 40.2 6.6 38.9
100,000 lbs or more

SCTG 18, Fuel oils

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 33.7 29.2 46.2 16.2
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs S S S S S S 31.6
100 to 499 lbs S S S S S S 29.8
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs S S S S S S 30.4
1,000 to 9,999 lbs S S S S S S 24.8
10,000 to 49,999 lbs 35.4 7.4 33.3 7.6 47.8 4.8 S
50,000 to 99,999 lbs S S 46.3 11.7 S S 41.6
100,000 lbs or more S S S S S S 31.6

SCTG 19, Coal and petroleum products, nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 38.6 S S 40.1 S
Less than 50 lbs 41.7 0.8 S S 39.5 2.1 S
50 to 99 lbs S S 44.9 10.5 44.9 10.5 33.2
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S S S 30.3
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs S S S S S S S
10,000 to 49,999 lbs S S S S S S 34.3
50,000 to 99,999 lbs S S S S S S 27.9
100,000 lbs or more 48.3 4.7 48.0 3.9 S S 26.0

SCTG 20, Basic chemicals

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 23.3 S S S S 19.8
Less than 50 lbs S S S S S S 23.0
50 to 99 lbs S S 49.6 S S 31.5
100 to 499 lbs S S S S 27.7 2.1 S
500 to 749 lbs S S S S S S S
750 to 999 lbs S S S S 46.6 0.3 S
1,000 to 9,999 lbs 34.7 3.0 34.4 2.2 28.2 0.8 S
10,000 to 49,999 lbs 26.6 11.6 S S S S 44.4
50,000 to 99,999 lbs S S S S S S 30.8
100,000 lbs or more S S 47.1 10.6 S S 32.4

SCTG 21, Pharmaceutical products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 17.5 36.1 40.8 41.9
Less than 50 lbs 25.5 4.2 25.8 1.1 15.9 2.4 44.1
50 to 99 lbs 36.2 3.7 39.5 1.7 20.6 2.9 48.6
100 to 499 lbs 25.2 5.1 30.8 5.7 26.2 5.6 36.5
500 to 749 lbs 26.4 1.9 37.6 4.0 32.3 2.7 S
750 to 999 lbs 29.3 0.8 35.9 1.7 34.8 1.5 28.2
1,000 to 9,999 lbs 38.1 7.1 37.9 8.8 40.4 9.1 19.5
10,000 to 49,999 lbs S S S S S S 24.1
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 31.6

SCTG 22, Fertilizers

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 48.8 S S 36.7 S
Less than 50 lbs S S S S S S 31.5
50 to 99 lbs S S S S S S S
100 to 499 lbs S S S S S S 31.7
500 to 749 lbs S S S S S S 31.2
750 to 999 lbs S S S S S S 33.5
1,000 to 9,999 lbs S S S S S S 45.6
10,000 to 49,999 lbs S S S S S S 44.9
50,000 to 99,999 lbs S S S S S S 33.4
100,000 lbs or more 46.8 6.6 48.2 7.1 S S 26.6

SCTG 23, Chemical products and preparations, nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 17.0 36.7 36.0 S
Less than 50 lbs S S S S 48.2 S
50 to 99 lbs S S 46.2 0.2 S S S
100 to 499 lbs 40.4 2.2 34.5 0.7 33.4 0.2 S
500 to 749 lbs S S S S 44.4 0.2 S
750 to 999 lbs S S 48.3 0.2 42.9 S
1,000 to 9,999 lbs 22.9 4.0 31.9 4.5 32.9 5.2 22.9
10,000 to 49,999 lbs 20.3 7.0 38.2 5.3 37.6 5.4 17.7
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 36.0

SCTG 24, Plastics and rubber

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 34.2 33.8 47.4 33.1
Less than 50 lbs 45.0 4.4 41.7 0.8 32.2 1.7 28.8
50 to 99 lbs 42.4 2.8 47.8 0.6 S S S
100 to 499 lbs S S 47.3 4.9 S S 22.0
500 to 749 lbs 48.8 1.8 41.5 0.9 S S S
750 to 999 lbs 36.5 0.7 34.6 0.4 39.3 2.7 S
1,000 to 9,999 lbs 24.3 5.9 30.4 4.9 35.4 5.1 27.9
10,000 to 49,999 lbs 34.9 6.2 36.0 6.0 S S 20.3
50,000 to 99,999 lbs
100,000 lbs or more S S S S S S 31.6

SCTG 25, Logs and other wood in the rough

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 44.7 33.5 S S 34.4
Less than 50 lbs
50 to 99 lbs
100 to 499 lbs S S S S S S 42.6
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs
1,000 to 9,999 lbs 36.1 10.4 41.4 10.4 S S S
10,000 to 49,999 lbs S S 37.2 13.3 S S 29.1
50,000 to 99,999 lbs 49.9 2.8 S S 48.4 3.4 27.4
100,000 lbs or more S S S S S S 31.6

SCTG 26, Wood products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 14.4 30.4 45.0 31.8
Less than 50 lbs 48.8 1.0 31.7 S S 27.0
50 to 99 lbs 45.1 1.5 34.7 0.1 S S 36.3
100 to 499 lbs 40.4 3.3 37.9 0.8 S S 38.2
500 to 749 lbs 47.8 1.0 42.6 0.4 47.8 0.3 14.4
750 to 999 lbs S S 41.2 0.5 42.8 0.4 13.5
1,000 to 9,999 lbs 21.7 4.1 19.5 4.8 16.4 3.6 37.8
10,000 to 49,999 lbs 31.7 7.3 S S S S 31.0
50,000 to 99,999 lbs 31.3 3.8 43.9 6.5 32.4 6.2 S
100,000 lbs or more S S S S S S 31.6

SCTG 27, Pulp, newsprint, paper, and paperboard

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 41.5 S S S S 21.9
Less than 50 lbs S S S S S S S
50 to 99 lbs S S 46.1 3.7 S S S
100 to 499 lbs S S 42.3 9.7 S S 26.4
500 to 749 lbs S S S S S S S
750 to 999 lbs S S S S S S 28.5
1,000 to 9,999 lbs S S S S S S 28.6
10,000 to 49,999 lbs S S 39.3 9.6 46.7 11.0 27.7
50,000 to 99,999 lbs
100,000 lbs or more

SCTG 28, Paper or paperboard articles

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 28.9 24.6 31.2 24.1
Less than 50 lbs 32.3 2.2 32.0 0.4 39.7 0.8 21.7
50 to 99 lbs S S S S 39.2 S
100 to 499 lbs S S S S 34.9 0.2 S
500 to 749 lbs S S S S S S S
750 to 999 lbs 47.6 0.4 S S S S S
1,000 to 9,999 lbs 44.1 2.3 42.6 1.6 47.4 2.0 20.3
10,000 to 49,999 lbs 33.4 6.0 24.9 3.4 33.0 2.2 10.6
50,000 to 99,999 lbs S S S S S S 47.2
100,000 lbs or more

SCTG 29, Printed products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 21.1 26.9 37.4 5.8
Less than 50 lbs 23.9 4.4 46.3 5.4 50.0 5.4 4.2
50 to 99 lbs S S S S S S 11.4
100 to 499 lbs 31.8 4.3 32.5 4.3 35.1 4.9 12.3
500 to 749 lbs S S S S S S 15.9
750 to 999 lbs 40.8 1.9 33.7 1.1 37.5 1.2 21.4
1,000 to 9,999 lbs 47.7 5.9 37.0 7.2 47.4 8.0 18.4
10,000 to 49,999 lbs 36.1 5.9 37.5 8.7 23.0 8.7 18.0
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more

SCTG 30, Textiles, leather, and articles of textiles or leather

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 14.3 11.5 14.8 6.8
Less than 50 lbs 24.3 4.2 24.5 3.7 30.9 5.2 6.3
50 to 99 lbs 11.4 0.8 20.3 1.1 28.9 2.1 13.4
100 to 499 lbs 11.2 3.0 17.1 1.9 15.8 3.5 15.0
500 to 749 lbs 24.0 1.5 28.8 1.0 22.3 1.4 21.1
750 to 999 lbs 42.9 1.6 38.0 0.9 S S 21.2
1,000 to 9,999 lbs 27.9 4.8 21.0 2.4 21.5 2.0 20.8
10,000 to 49,999 lbs 29.8 5.3 17.3 4.4 30.0 10.3 36.9
50,000 to 99,999 lbs S S S S S S 30.0
100,000 lbs or more S S S S S S 31.6

SCTG 31, Nonmetallic mineral products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 41.1 22.7 29.0 25.6
Less than 50 lbs S S 38.9 43.8 22.1
50 to 99 lbs S S S S S S 39.6
100 to 499 lbs S S S S S S S
500 to 749 lbs S S S S S S 43.2
750 to 999 lbs S S S S S S 34.8
1,000 to 9,999 lbs 49.8 6.4 39.2 1.9 34.8 4.2 43.5
10,000 to 49,999 lbs S S 41.4 6.9 S S 22.8
50,000 to 99,999 lbs 12.4 9.5 17.2 8.9 23.5 3.9 15.5
100,000 lbs or more 27.6 7.0 26.0 7.8 27.8 10.7 19.0

SCTG 32, Base metal in primary or semifinished forms and in finished basic shapes

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 16.3 17.9 15.9 31.9
Less than 50 lbs 36.5 1.4 40.6 0.2 S S 22.5
50 to 99 lbs S S S S S S S
100 to 499 lbs 43.5 2.5 44.2 1.3 43.7 0.4 S
500 to 749 lbs 48.9 1.1 48.5 0.6 31.9 0.1 S
750 to 999 lbs S S S S 34.6 0.1 S
1,000 to 9,999 lbs 33.8 4.3 40.7 4.5 35.9 2.0 23.8
10,000 to 49,999 lbs 14.2 8.6 15.5 7.1 16.4 5.2 10.6
50,000 to 99,999 lbs S S S S S S S
100,000 lbs or more 32.5 0.7 34.0 2.6 43.2 4.6 22.5

SCTG 33, Articles of base metal

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 17.9 33.5 49.2 50.0
Less than 50 lbs 35.3 6.3 36.9 1.2 S S 39.8
50 to 99 lbs 42.8 1.6 40.1 0.8 26.2 0.4 S
100 to 499 lbs 30.9 2.4 32.6 1.6 24.0 1.6 S
500 to 749 lbs 42.4 0.6 S S 49.5 0.9 S
750 to 999 lbs 32.1 0.5 32.9 0.3 29.6 0.2 50.0
1,000 to 9,999 lbs 33.8 5.3 S S 18.2 5.4 S
10,000 to 49,999 lbs 22.3 6.5 S S S S 11.6
50,000 to 99,999 lbs 36.2 0.4 S S S S 27.5
100,000 lbs or more S S S S S S 33.3

SCTG 34, Machinery

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 26.0 42.8 49.0 16.3
Less than 50 lbs 26.8 3.0 30.6 0.8 S S 18.0
50 to 99 lbs 44.7 4.0 37.8 0.6 S S 20.6
100 to 499 lbs 31.8 3.3 42.2 2.5 34.4 3.1 15.3
500 to 749 lbs 31.7 0.3 46.2 0.3 21.1 0.4 S
750 to 999 lbs 34.8 0.6 S S 29.9 0.5 S
1,000 to 9,999 lbs 39.8 5.7 47.1 3.8 S S 19.8
10,000 to 49,999 lbs 34.7 4.3 S S S S 9.2
50,000 to 99,999 lbs S S S S S S 31.5
100,000 lbs or more S S S S S S 29.8

SCTG 35, Electronic and other electrical equipment and components and office equipment

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 13.7 9.4 13.5 13.1
Less than 50 lbs 20.4 3.9 25.5 1.6 22.3 1.7 14.1
50 to 99 lbs 35.1 2.0 33.1 1.2 39.0 1.1 13.9
100 to 499 lbs 17.8 3.7 28.1 1.9 30.1 1.9 16.2
500 to 749 lbs 31.2 1.1 44.5 1.6 44.9 1.1 19.9
750 to 999 lbs S S S S 48.2 0.7 26.5
1,000 to 9,999 lbs 24.8 3.1 24.0 4.0 25.7 4.4 8.0
10,000 to 49,999 lbs 17.8 3.0 13.3 6.8 19.9 7.6 10.7
50,000 to 99,999 lbs S S S S S S 26.0
100,000 lbs or more

SCTG 36, Motorized and other vehicles (including parts)

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 31.8 21.4 24.4 13.1
Less than 50 lbs 29.9 2.6 33.0 0.8 36.0 1.6 15.6
50 to 99 lbs 42.2 0.8 42.6 0.6 38.3 1.6 15.4
100 to 499 lbs 41.7 1.5 35.5 0.8 48.3 0.7 16.3
500 to 749 lbs S S S S 47.8 0.5 26.4
750 to 999 lbs 32.9 0.4 42.4 0.1 38.7 0.2 24.9
1,000 to 9,999 lbs 30.4 5.2 24.9 4.9 41.6 4.0 15.6
10,000 to 49,999 lbs 43.6 7.7 25.9 5.5 27.4 5.3 12.6
50,000 to 99,999 lbs S S S S S S 28.7
100,000 lbs or more S S S S S S 31.1

SCTG 37, Transportation equipment, nec

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes S S S S S S 22.2
Less than 50 lbs S S S S S S 37.0
50 to 99 lbs S S S S S S 27.2
100 to 499 lbs S S S S S S 25.6
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs S S S S S S 29.4
10,000 to 49,999 lbs S S S S S S 29.0
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more

SCTG 38, Precision instruments and apparatus

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 34.5 S S 45.0 30.2
Less than 50 lbs S S S S S S 25.1
50 to 99 lbs S S S S S S 22.6
100 to 499 lbs 31.2 12.3 49.1 15.5 S S 35.4
500 to 749 lbs S S S S S S 30.0
750 to 999 lbs S S S S S S 28.9
1,000 to 9,999 lbs S S 43.9 10.3 S S 28.9
10,000 to 49,999 lbs S S S S S S S
50,000 to 99,999 lbs
100,000 lbs or more S S S S S S 34.1

SCTG 39, Furniture, mattresses and mattress supports, lamps, lighting fittings, and

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 29.1 27.4 28.1 18.4
Less than 50 lbs 46.3 1.0 46.6 0.4 S S 22.3
50 to 99 lbs S S S S S S 20.4
100 to 499 lbs 38.3 5.5 35.8 5.7 S S 21.2
500 to 749 lbs 48.8 1.1 41.0 0.7 S S 27.1
750 to 999 lbs 34.8 0.3 25.8 0.3 35.7 0.2 24.5
1,000 to 9,999 lbs 28.5 8.3 23.6 7.5 23.2 8.0 30.9
10,000 to 49,999 lbs S S 38.4 11.7 31.8 11.8 24.2
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 27.9

SCTG 40, Miscellaneous manufactured products

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 28.1 21.9 28.4 7.9
Less than 50 lbs 27.1 4.8 39.6 0.6 47.3 1.2 9.1
50 to 99 lbs 21.5 0.4 24.1 0.3 36.9 0.3 17.0
100 to 499 lbs 34.5 2.1 31.7 1.5 32.0 2.5 8.8
500 to 749 lbs 47.1 1.0 37.3 0.7 36.6 1.2 18.5
750 to 999 lbs 17.2 0.6 26.4 0.2 30.5 0.2 13.0
1,000 to 9,999 lbs 17.8 4.6 21.4 6.1 23.3 6.0 9.2
10,000 to 49,999 lbs S S 34.8 7.3 47.4 8.6 13.8
50,000 to 99,999 lbs S S S S S S 28.2
100,000 lbs or more S S 44.4 2.5 S S 26.6

SCTG 41, Waste and scrap

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 36.8 42.1 42.5 18.4
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs
100 to 499 lbs
500 to 749 lbs
750 to 999 lbs
1,000 to 9,999 lbs S S S S S S 29.9
10,000 to 49,999 lbs 39.8 7.1 S S 41.3 14.9 17.0
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more S S S S S S 32.2

SCTG 43, Mixed freight

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 31.7 12.2 9.4 18.7
Less than 50 lbs 27.4 2.0 35.8 0.2 37.7 0.3 21.3
50 to 99 lbs 25.5 0.4 42.2 0.1 24.7 S
100 to 499 lbs S S 16.4 0.7 20.4 0.3 30.7
500 to 749 lbs S S 25.0 0.6 20.1 0.2 S
750 to 999 lbs 49.1 0.4 28.4 0.8 28.4 0.2 36.7
1,000 to 9,999 lbs 31.9 4.6 31.2 3.4 37.8 6.7 27.3
10,000 to 49,999 lbs 31.2 4.7 13.7 4.8 14.7 7.2 19.3
50,000 to 99,999 lbs 44.9 1.2 S S 43.7 0.6 38.4
100,000 lbs or more S S S S S S 32.7

Commodity unknown

Shipment Weight Value Tons Ton-miles CV of average miles
per shipment
CV Std. error
of percent
CV Std. error
of percent
CV Std. error
of percent
All shipment sizes 38.6 29.5 40.2 24.4
Less than 50 lbs 49.5 9.8 34.0 0.4 S S 26.2
50 to 99 lbs S S S S S S 31.0
100 to 499 lbs S S 43.9 0.5 S S 49.4
500 to 749 lbs S S S S S S S
750 to 999 lbs
1,000 to 9,999 lbs S S 43.7 15.1 S S 31.7
10,000 to 49,999 lbs S S 47.3 15.7 S S 32.5
50,000 to 99,999 lbs S S S S S S 29.9
100,000 lbs or more

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.