Bureau of Transportation Statistics (BTS)
BTS Home > Publications > Commodity Flow Survey > States > Maine
Printable Version

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]

Excel | CSV

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 5.8 – 14.0 – 11.7 – 16.6
Less than 50 lbs 17.5 1.9 17.3 – 24.8 0.2 18.5
50 to 99 lbs 15.5 0.4 24.8 – 21.2 – 21.9
100 to 499 lbs 10.1 0.6 10.8 0.1 12.9 0.1 21.1
500 to 749 lbs 13.0 0.3 12.9 0.1 19.0 0.1 24.6
750 to 999 lbs 12.1 0.2 15.9 0.1 21.1 0.1 17.6
1,000 to 9,999 lbs 11.7 2.3 5.4 1.2 6.9 0.9 7.5
10,000 to 49,999 lbs 10.9 3.0 17.0 3.0 16.6 4.5 14.0
50,000 to 99,999 lbs 12.4 0.6 20.8 3.5 25.5 2.4 17.9
100,000 lbs or more 14.4 1.1 17.3 2.0 19.6 4.2 20.3

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 – – – – – – –
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 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 – – – – – – –
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 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 S S S S S S 29.6
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S S
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs S S S S S S 31.6
10,000 to 49,999 lbs S S S S S S 29.6
50,000 to 99,999 lbs S S S S S S 41.7
100,000 lbs or more – – – – – – –

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 – – – – – – –
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 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 41.2 – 41.0 – 45.6 – 22.1
Less than 50 lbs S S S S S S 30.1
50 to 99 lbs S S S S S S 30.6
100 to 499 lbs S S S S S S 26.7
500 to 749 lbs S S S S S S 26.9
750 to 999 lbs S S S S S S 29.3
1,000 to 9,999 lbs 47.5 9.1 S S S S 26.6
10,000 to 49,999 lbs S S S S 49.0 14.7 27.4
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 S S S S 24.1
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs S S S S S S 30.0
100 to 499 lbs 49.5 0.3 S S S S 26.6
500 to 749 lbs S S S S S S 40.4
750 to 999 lbs 38.2 0.4 34.7 0.4 S S 35.9
1,000 to 9,999 lbs 33.7 12.5 36.3 12.9 35.1 12.2 42.0
10,000 to 49,999 lbs S S S S S S 29.4
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 35.8 – S S S S 18.5
Less than 50 lbs S S S S S S S
50 to 99 lbs S S S S 49.8 – S
100 to 499 lbs 44.2 1.1 46.9 1.5 27.1 1.1 21.1
500 to 749 lbs S S S S 41.4 0.8 26.2
750 to 999 lbs S S S S 47.2 0.7 17.3
1,000 to 9,999 lbs 34.4 9.6 33.5 12.5 18.4 14.3 21.1
10,000 to 49,999 lbs 48.2 10.0 S S S S S
50,000 to 99,999 lbs S S S S S S 35.4
100,000 lbs or more – – – – – – –

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 21.9 – 16.3 – S S 10.7
Less than 50 lbs 31.7 0.4 41.3 0.2 S S 15.0
50 to 99 lbs 33.7 1.1 39.0 0.4 35.8 0.2 20.4
100 to 499 lbs 19.9 3.0 23.0 2.7 42.6 5.1 14.9
500 to 749 lbs 22.2 1.4 19.8 1.1 17.2 2.3 30.5
750 to 999 lbs 28.7 1.6 27.7 1.6 S S 19.3
1,000 to 9,999 lbs 16.4 6.5 14.2 6.1 32.1 14.3 17.5
10,000 to 49,999 lbs S S S S S S 43.2
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 – – – – – – –
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 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 S S S S S S S
Less than 50 lbs – – – – – – –
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 S S S S S S 31.6
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs S S S S S S 31.4
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 29.9
100,000 lbs or more S S S S S S 31.6

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 44.3 – 44.4 – 48.8 – 23.7
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 31.6
10,000 to 49,999 lbs 44.6 1.7 44.6 1.3 43.1 1.7 24.0
50,000 to 99,999 lbs 37.0 3.2 38.2 1.7 34.4 3.1 25.4
100,000 lbs or more 49.4 4.0 46.3 2.4 S S 24.2

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 45.7 – S S 39.5 – 27.5
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 S S S S S S 31.6
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs S S S S S S 29.8
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 33.2
100,000 lbs or more 44.1 10.0 S S S S 28.3

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 S S S S S S 28.2
Less than 50 lbs S S S S S S 28.1
50 to 99 lbs S S S S S S 32.1
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 S S S S S S 31.6
10,000 to 49,999 lbs S S S S S S 31.6
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 S S S S S S 27.9
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 S S S S S S 27.9
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 20.3 – 19.8 – 19.4 – 19.7
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs – – – – – – –
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs 49.8 0.4 40.8 0.3 S S 30.1
10,000 to 49,999 lbs 32.3 8.0 29.9 7.3 25.5 7.2 34.6
50,000 to 99,999 lbs 14.5 8.7 15.0 7.8 18.3 7.5 15.6
100,000 lbs or more S S S S S S 36.9

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 28.3 – 28.5 – 31.0 – 11.2
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 25.2
500 to 749 lbs S S S S 49.8 – 48.5
750 to 999 lbs S S S S S S 28.6
1,000 to 9,999 lbs 33.1 2.0 32.7 1.9 S S 24.8
10,000 to 49,999 lbs 27.9 6.8 25.2 6.6 25.2 8.8 15.0
50,000 to 99,999 lbs 25.7 4.9 25.4 5.1 30.1 7.7 15.5
100,000 lbs or more S S S S S S 31.9

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 47.8 – 47.9 – S S 33.0
Less than 50 lbs S S 49.2 0.6 S S 48.3
50 to 99 lbs S S S S S S 30.8
100 to 499 lbs S S S S S S 29.2
500 to 749 lbs S S S S S S 34.9
750 to 999 lbs S S S S S S 34.8
1,000 to 9,999 lbs S S 49.0 10.6 S S 26.1
10,000 to 49,999 lbs S S S S S S S
50,000 to 99,999 lbs 40.8 14.0 44.4 14.9 S S 27.2
100,000 lbs or more S S S S S S 31.6

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 43.9 – S S 36.7 – S
Less than 50 lbs S S S S S S 31.6
50 to 99 lbs S S S S S S 38.4
100 to 499 lbs S S S S S S 31.6
500 to 749 lbs S S S S S S 31.6
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs S S 39.4 1.7 34.7 1.2 27.3
10,000 to 49,999 lbs 37.3 15.2 32.6 15.7 30.0 10.9 S
50,000 to 99,999 lbs S S S S S S 30.1
100,000 lbs or more S S S S S S 31.6

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 S S S S S S 31.6
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 – – – – – – –
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 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 S S S S S S 31.6
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 31.6
10,000 to 49,999 lbs S S S S S S 31.6
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 S S S S S S 22.9
Less than 50 lbs S S S S S S 42.6
50 to 99 lbs S S S S S S S
100 to 499 lbs S S 44.2 15.0 S S 28.1
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 28.5
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 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 21.0 – 21.4 – 37.7 – S
Less than 50 lbs 47.0 1.3 S S 48.7 0.7 48.8
50 to 99 lbs S S S S 42.0 1.9 S
100 to 499 lbs S S S S 33.5 8.6 S
500 to 749 lbs S S S S 49.9 1.6 32.8
750 to 999 lbs 45.2 0.9 43.8 0.5 S S 48.6
1,000 to 9,999 lbs 27.4 6.6 44.7 8.0 32.9 8.3 21.7
10,000 to 49,999 lbs 34.5 11.0 34.9 11.6 41.2 15.2 21.6
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 S S S S S S 29.9
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 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 30.0
10,000 to 49,999 lbs S S S S S S 30.1
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 32.9 – 41.1 – 42.4 – 26.0
Less than 50 lbs 28.0 0.3 48.7 – 37.6 – S
50 to 99 lbs 34.7 0.3 S S S S S
100 to 499 lbs 32.7 1.6 29.0 0.4 47.9 0.2 35.1
500 to 749 lbs 47.2 1.0 39.5 0.3 S S 30.1
750 to 999 lbs S S 47.5 0.3 S S 28.1
1,000 to 9,999 lbs 30.0 4.4 26.7 3.7 33.1 1.1 43.9
10,000 to 49,999 lbs 24.5 4.9 36.9 7.2 32.0 8.7 21.0
50,000 to 99,999 lbs 44.4 3.9 S S 46.3 6.8 44.8
100,000 lbs or more S S 45.6 6.4 S S 16.7

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 12.0 – 11.4 – 11.3 – 4.1
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 28.3
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 38.9 0.3 39.4 0.2 40.9 0.3 16.1
10,000 to 49,999 lbs 18.1 4.0 18.4 4.5 17.1 3.2 6.1
50,000 to 99,999 lbs 33.5 0.6 31.3 0.7 S S 28.5
100,000 lbs or more 11.7 4.6 13.3 4.9 10.3 3.7 7.1

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 45.0 – 28.0 – 33.2 – 29.7
Less than 50 lbs S S S S S S 50.0
50 to 99 lbs S S S S S S S
100 to 499 lbs S S S S S S 49.8
500 to 749 lbs S S S S S S 32.7
750 to 999 lbs S S S S S S 29.0
1,000 to 9,999 lbs S S S S S S 28.9
10,000 to 49,999 lbs S S 32.5 13.4 34.8 14.0 22.0
50,000 to 99,999 lbs – – – – – – –
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 20.4 – S S S S 17.2
Less than 50 lbs 48.0 5.4 38.3 6.1 34.5 9.6 19.7
50 to 99 lbs S S 45.6 1.6 48.4 2.9 36.8
100 to 499 lbs 33.4 4.6 22.4 6.6 24.4 6.4 34.9
500 to 749 lbs 41.9 2.2 39.3 1.6 35.5 1.8 S
750 to 999 lbs 43.3 2.2 29.9 2.4 39.3 4.9 22.8
1,000 to 9,999 lbs 36.3 6.7 35.5 10.2 S S 38.5
10,000 to 49,999 lbs 47.5 10.9 S S S S 27.1
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 29.8

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 22.5 – 13.2 – 17.4 – 11.0
Less than 50 lbs 43.6 12.3 43.1 8.1 39.4 8.0 10.3
50 to 99 lbs 35.6 0.6 34.6 0.5 46.9 0.9 15.5
100 to 499 lbs 25.7 1.4 29.6 0.9 28.7 1.0 13.5
500 to 749 lbs 42.8 1.1 34.8 0.6 45.8 0.6 22.4
750 to 999 lbs 41.7 1.0 35.8 0.6 27.1 1.1 25.9
1,000 to 9,999 lbs 35.7 5.5 18.0 4.5 18.6 3.8 20.7
10,000 to 49,999 lbs 42.1 10.8 25.0 8.6 30.3 7.2 20.3
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

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 43.7 – S S 46.9 – S
Less than 50 lbs S S S S S S 40.2
50 to 99 lbs 49.2 0.9 S S S S 32.5
100 to 499 lbs 49.4 3.1 35.7 2.2 S S 35.6
500 to 749 lbs 31.1 5.3 S S 37.9 0.6 S
750 to 999 lbs S S S S S S 29.6
1,000 to 9,999 lbs 31.3 8.9 45.4 18.4 33.5 16.0 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 S

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 26.0 – S S S S S
Less than 50 lbs 36.2 4.2 35.2 0.9 S S S
50 to 99 lbs 44.3 1.5 38.0 1.0 46.9 2.2 28.7
100 to 499 lbs 37.4 3.8 28.0 5.2 48.9 3.2 21.8
500 to 749 lbs 40.2 1.3 31.6 0.9 S S 23.4
750 to 999 lbs 25.8 0.3 45.2 0.8 S S S
1,000 to 9,999 lbs 23.6 7.5 39.1 10.1 42.6 10.4 S
10,000 to 49,999 lbs 42.3 9.0 S S S S 24.0
50,000 to 99,999 lbs S S S S S S 31.2
100,000 lbs or more S S S S S S 30.5

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 S S 41.8 – 44.8 – S
Less than 50 lbs 47.5 6.3 S S S S S
50 to 99 lbs S S S S S S 44.8
100 to 499 lbs S S S S S S 32.1
500 to 749 lbs 46.6 2.0 S S S S 29.5
750 to 999 lbs S S S S S S 35.0
1,000 to 9,999 lbs 17.5 8.1 14.4 10.4 29.4 10.5 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 26.7
100,000 lbs or more S S S S S S 31.6

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 19.4 – 15.6 – 32.7 – 32.4
Less than 50 lbs 21.4 2.2 21.4 2.9 44.7 1.1 38.2
50 to 99 lbs S S S S 29.1 1.1 44.2
100 to 499 lbs 41.1 4.2 49.9 2.7 S S 34.7
500 to 749 lbs 36.9 1.1 S S S S 23.5
750 to 999 lbs S S 33.0 0.5 28.7 1.7 42.2
1,000 to 9,999 lbs 22.4 4.1 24.5 4.5 30.9 4.6 30.8
10,000 to 49,999 lbs 22.5 4.9 19.3 7.2 30.5 7.0 30.6
50,000 to 99,999 lbs S S S S S S 31.9
100,000 lbs or more – – – – – – –

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 13.2 – 13.1 – 25.2 – 35.2
Less than 50 lbs 13.6 3.8 26.4 2.7 27.8 2.6 38.6
50 to 99 lbs 17.5 2.7 41.4 3.9 34.4 1.2 38.7
100 to 499 lbs 27.0 4.2 26.8 4.5 38.4 5.4 15.3
500 to 749 lbs 47.1 2.5 S S S S 18.2
750 to 999 lbs 43.2 1.1 45.0 1.7 S S 21.1
1,000 to 9,999 lbs 29.5 5.2 17.1 6.3 19.9 9.1 21.0
10,000 to 49,999 lbs S S S S S S 30.1
50,000 to 99,999 lbs – – – – – – –
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 33.4 – 39.9 – 37.9 – 40.8
Less than 50 lbs 38.8 5.1 47.4 6.9 S S 49.0
50 to 99 lbs S S 47.8 2.5 S S 22.6
100 to 499 lbs S S 29.1 9.1 29.9 10.5 27.3
500 to 749 lbs 47.8 1.1 S S S S 26.2
750 to 999 lbs S S S S S S S
1,000 to 9,999 lbs 45.6 9.3 S S 38.0 10.0 S
10,000 to 49,999 lbs 44.7 8.1 39.3 8.5 39.2 12.3 27.6
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

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 31.6
Less than 50 lbs – – – – – – –
50 to 99 lbs – – – – – – –
100 to 499 lbs S S S S S S 31.6
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 S S 31.6
10,000 to 49,999 lbs – – – – – – –
50,000 to 99,999 lbs – – – – – – –
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 49.9 – 41.6 – 45.8 – 33.8
Less than 50 lbs S S 47.0 10.9 S S 35.6
50 to 99 lbs S S S S S S 37.8
100 to 499 lbs – – – – – – –
500 to 749 lbs – – – – – – –
750 to 999 lbs – – – – – – –
1,000 to 9,999 lbs S S S S S S 31.6
10,000 to 49,999 lbs – – – – – – –
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 25.3 – 35.8 – 44.4 – 27.7
Less than 50 lbs 41.4 2.3 46.0 1.7 S S 29.3
50 to 99 lbs S S S S S S 29.8
100 to 499 lbs 40.6 8.2 45.0 9.6 46.5 9.4 38.6
500 to 749 lbs S S S S S S 37.5
750 to 999 lbs 41.7 1.8 45.5 3.5 S S 33.6
1,000 to 9,999 lbs 41.5 12.1 44.9 13.0 S S 27.7
10,000 to 49,999 lbs S S S S S S 30.0
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 28.6 – 39.7 – 23.9 – 15.1
Less than 50 lbs 29.9 4.1 36.4 3.3 S S 14.5
50 to 99 lbs 30.0 1.2 33.4 0.6 49.8 1.3 21.6
100 to 499 lbs 27.6 3.0 33.0 3.0 46.3 4.9 19.4
500 to 749 lbs 30.9 0.8 42.8 0.9 S S 35.1
750 to 999 lbs 41.0 0.6 44.5 1.0 S S 43.7
1,000 to 9,999 lbs S S 47.6 4.4 22.7 7.5 S
10,000 to 49,999 lbs 23.6 6.1 37.8 8.5 47.9 9.6 S
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 31.6

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 S S S S S S S
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 31.2
10,000 to 49,999 lbs S S S S S S 48.3
50,000 to 99,999 lbs S S S S S S 31.6
100,000 lbs or more – – – – – – –

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 21.2 – 21.9 – 19.1 – 25.0
Less than 50 lbs 37.9 1.8 28.2 0.2 S S 24.7
50 to 99 lbs 43.4 1.0 32.2 0.2 35.0 0.2 19.9
100 to 499 lbs 37.1 3.1 22.8 1.4 29.8 1.0 16.8
500 to 749 lbs 28.6 2.3 21.7 1.4 26.1 0.7 28.2
750 to 999 lbs 30.1 0.9 22.4 0.7 23.1 0.6 16.8
1,000 to 9,999 lbs 36.2 10.4 13.0 11.3 18.8 10.8 11.3
10,000 to 49,999 lbs 31.6 13.0 32.4 13.3 29.4 11.9 19.2
50,000 to 99,999 lbs – – – – – – –
100,000 lbs or more – – – – – – –

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 S S S S S S 39.4
Less than 50 lbs S S 45.7 10.5 S S S
50 to 99 lbs S S S S S S 29.2
100 to 499 lbs S S S S S S 29.6
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 S S 30.7
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 31.6
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.
Research and Innovative Technology Administration (RITA) • U.S. Department of Transportation (US DOT)
1200 New Jersey Avenue, SE • Washington, DC 20590 • 800-853-1351 • E-mail RITA

Accessibility | Disclaimer | Fast Lane | FedStats | Freedom of Information Act | No FEAR Act | OIG Hotline | Privacy Policy | RSS | USA.gov | White House | Wireless

Plug-ins: PDF Reader | Flash Player | Excel Viewer | PowerPoint Viewer | Word Viewer | WinZip

RITA's privacy policies and procedures do not necessarily apply to external web sites. We suggest contacting these sites directly for information on their data collection and distribution policies.