Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Two-Digit Commodity and Mode of Transportation 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

Mode of transportation	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 modes	6.1	–	21.7	–	8.0	–	11.9
Single modes	7.8	2.0	24.6	2.3	9.1	3.5	26.8
Truck	8.9	2.3	35.7	5.6	22.1	4.3	31.8
For-hire truck	8.8	1.9	22.8	4.5	27.5	4.4	11.0
Private truck	17.4	3.2	S	S	37.4	1.3	S
Rail	20.4	0.7	9.4	2.2	19.6	3.1	8.4
Water	19.6	0.3	16.8	2.8	18.9	5.3	25.1
Shallow draft	20.4	0.3	18.4	2.4	20.3	4.8	26.5
Great Lakes	31.0	–	30.9	0.9	31.1	1.6	21.1
Deep draft	S	S	S	S	S	S	31.6
Air (including truck and air)	22.2	1.0	16.4	–	15.4	–	3.6
Pipeline	S	S	S	S	S	S	S
Multiple modes	8.1	1.5	14.7	2.4	16.5	3.5	5.6
Parcel, USPS or courier	9.0	1.5	18.9	–	14.3	–	5.6
Truck and rail	S	S	S	S	S	S	24.7
Truck and water	S	S	49.3	0.1	45.3	0.3	21.6
Rail and water	17.7	0.1	15.6	2.4	17.7	3.6	4.4
Other Multiple modes	S	S	S	S	S	S	29.8
Other and unknown modes	29.2	0.9	25.1	0.4	32.7	0.5	38.3

SCTG 1, Live animals and live fish

Mode of transportation	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 modes	S	S	S	S	S	S	31.2
Single modes	S	S	S	S	S	S	31.2
Truck	S	S	S	S	S	S	31.2
For-hire truck	S	S	S	S	S	S	31.6
Private truck	S	S	S	S	S	S	31.6
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 2, Cereal grains

Mode of transportation	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 modes	17.5	–	19.1	–	22.2	–	S
Single modes	17.8	1.2	19.4	0.9	22.2	–	S
Truck	S	S	S	S	S	S	36.4
For-hire truck	S	S	S	S	S	S	S
Private truck	47.0	1.8	47.0	2.0	38.5	–	S
Rail	28.2	9.5	28.7	8.7	40.9	8.9	33.4
Water	22.7	9.0	23.1	9.3	23.7	10.2	10.6
Shallow draft	23.3	9.5	23.3	9.6	23.7	10.2	10.6
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	31.6
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	30.8
Parcel, USPS or courier	S	S	S	S	S	S	30.8
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	39.3	1.2	40.9	0.9	33.7	–	30.6

SCTG 3, Other agricultural products

Mode of transportation	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 modes	38.4	–	41.3	–	20.0	–	S
Single modes	42.8	7.9	46.4	8.0	20.5	3.1	S
Truck	44.0	10.3	42.9	6.5	49.5	6.4	S
For-hire truck	38.4	7.5	48.2	6.6	S	S	22.3
Private truck	S	S	S	S	S	S	49.6
Rail	S	S	S	S	S	S	24.6
Water	32.5	13.0	33.4	13.2	34.1	14.2	15.2
Shallow draft	32.5	13.0	33.4	13.2	34.1	14.2	15.2
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	30.4
Parcel, USPS or courier	S	S	S	S	S	S	31.6
Truck and rail	S	S	S	S	S	S	31.8
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

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

Mode of transportation	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 modes	14.7	–	32.3	–	33.1	–	S
Single modes	15.5	2.0	32.7	1.0	35.1	4.1	S
Truck	16.9	4.5	32.4	3.4	29.9	8.6	S
For-hire truck	16.7	9.7	42.6	9.8	33.0	8.5	44.3
Private truck	43.1	9.2	41.7	10.4	42.3	3.0	45.4
Rail	26.7	4.7	38.1	3.6	42.7	8.9	17.4
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	27.0
Parcel, USPS or courier	S	S	S	S	S	S	30.3
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	30.4

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

Mode of transportation	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 modes	17.0	–	18.1	–	18.2	–	S
Single modes	17.3	1.3	17.2	2.2	18.5	1.0	S
Truck	17.3	1.3	17.0	2.2	17.9	1.3	S
For-hire truck	17.2	8.0	17.4	7.7	18.8	7.3	13.3
Private truck	44.1	7.9	33.5	7.7	38.4	7.4	S
Rail	S	S	S	S	S	S	31.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	31.6
Parcel, USPS or courier	S	S	S	S	S	S	31.6
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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

Mode of transportation	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 modes	S	S	35.0	–	48.4	–	S
Single modes	S	S	35.5	10.4	48.9	10.9	S
Truck	S	S	46.7	14.8	S	S	36.7
For-hire truck	S	S	S	S	S	S	19.9
Private truck	S	S	S	S	S	S	S
Rail	S	S	S	S	S	S	21.3
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	31.6
Parcel, USPS or courier	S	S	S	S	S	S	31.6
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	25.9

SCTG 7, Other prepared foodstuffs and fats and oils

Mode of transportation	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 modes	30.2	–	43.1	–	S	S	S
Single modes	30.5	0.3	43.2	0.2	S	S	S
Truck	31.8	4.0	28.2	6.9	40.2	10.6	S
For-hire truck	36.6	7.5	35.0	8.4	45.6	10.6	15.8
Private truck	24.4	6.2	19.6	7.6	30.6	7.1	S
Rail	S	S	S	S	S	S	17.0
Water	S	S	S	S	S	S	31.6
Shallow draft	S	S	S	S	S	S	31.6
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	45.4	–	S	S	35.1
Parcel, USPS or courier	S	S	45.4	–	S	S	35.1
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	31.2	0.3	32.3	0.2	32.0	0.3	35.4

SCTG 8, Alcoholic beverages

Mode of transportation	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 modes	S	S	S	S	S	S	33.1
Single modes	S	S	S	S	S	S	33.1
Truck	S	S	S	S	S	S	33.1
For-hire truck	S	S	S	S	S	S	S
Private truck	S	S	S	S	S	S	24.5
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 9, Tobacco products

Mode of transportation	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 modes	37.8	–	41.1	–	36.3	–	31.1
Single modes	37.8	–	41.1	–	36.3	–	31.1
Truck	37.8	–	41.1	–	36.3	–	31.1
For-hire truck	45.5	15.9	47.5	15.7	48.1	18.7	26.3
Private truck	S	S	S	S	S	S	23.8
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 10, Monumental or building stone

Mode of transportation	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 modes	S	S	43.3	–	S	S	37.2
Single modes	S	S	43.4	10.5	S	S	30.1
Truck	S	S	43.4	10.5	S	S	30.1
For-hire truck	S	S	S	S	S	S	31.6
Private truck	S	S	S	S	S	S	35.4
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	31.6
Parcel, USPS or courier	S	S	S	S	S	S	31.6
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

SCTG 11, Natural sands

Mode of transportation	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 modes	25.5	–	25.1	–	35.4	–	32.5
Single modes	25.6	2.3	25.3	2.6	35.5	3.5	31.9
Truck	29.5	8.0	30.9	7.8	31.6	12.0	22.4
For-hire truck	49.9	3.3	S	S	S	S	32.0
Private truck	30.7	9.3	29.7	7.9	31.5	13.6	44.7
Rail	40.9	9.0	41.0	3.5	41.4	16.8	26.0
Water	S	S	S	S	S	S	29.9
Shallow draft	S	S	S	S	S	S	29.9
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	37.5

SCTG 12, Gravel and crushed stone

Mode of transportation	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 modes	30.2	–	24.6	–	32.1	–	13.9
Single modes	30.4	4.4	27.2	5.3	35.0	4.6	14.8
Truck	36.1	8.8	35.3	8.6	41.1	8.1	14.7
For-hire truck	S	S	S	S	S	S	36.6
Private truck	43.9	8.5	13.3	8.4	S	S	13.2
Rail	–	–	–	–	–	–	–
Water	47.9	9.1	S	S	S	S	26.4
Shallow draft	47.9	9.1	S	S	S	S	26.4
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	31.6
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	S	S	S	S	S	S	31.6
Other and unknown modes	S	S	S	S	S	S	26.2

SCTG 13, Nonmetallic minerals nec

Mode of transportation	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 modes	S	S	S	S	S	S	S
Single modes	S	S	S	S	S	S	S
Truck	S	S	S	S	S	S	S
For-hire truck	S	S	S	S	S	S	S
Private truck	S	S	S	S	S	S	21.7
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	30.3
Parcel, USPS or courier	S	S	S	S	S	S	30.3
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

SCTG 14, Metallic ores and concentrates

Mode of transportation	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 modes	10.5	–	7.1	–	11.1	–	8.3
Single modes	16.9	7.7	12.1	6.3	19.0	7.1	15.4
Truck	S	S	S	S	S	S	42.4
For-hire truck	S	S	S	S	S	S	42.4
Private truck	–	–	–	–	–	–	–
Rail	19.1	6.6	12.1	5.4	22.4	5.3	18.7
Water	S	S	S	S	S	S	29.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	S	S	S	S	S	S	29.8
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	17.4	7.7	15.4	6.3	17.6	7.1	4.4
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	31.6
Rail and water	17.7	7.7	15.6	6.3	17.7	7.1	4.4
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 15, Coal

Mode of transportation	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 modes	42.2	–	41.3	–	41.0	–	25.8
Single modes	42.1	2.8	41.6	3.7	41.7	3.0	25.8
Truck	41.8	0.8	42.2	0.7	42.3	0.4	25.8
For-hire truck	41.8	0.8	42.2	0.7	42.3	0.4	25.8
Private truck	–	–	–	–	–	–	–
Rail	S	S	S	S	S	S	29.8
Water	42.3	2.0	41.6	3.1	41.7	2.6	25.8
Shallow draft	42.3	2.0	41.6	3.1	41.7	2.6	25.8
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	26.1
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	26.1
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	27.9

SCTG 17, Gasoline and aviation turbine fuel

Mode of transportation	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 modes	40.2	–	37.8	–	37.0	–	23.5
Single modes	40.2	–	37.8	–	37.0	–	23.5
Truck	41.6	4.5	37.7	5.3	37.7	2.9	23.5
For-hire truck	S	S	48.5	5.1	45.3	7.6	26.1
Private truck	42.2	8.2	38.3	8.5	41.5	9.0	23.3
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	S	S	S	S	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 18, Fuel oils

Mode of transportation	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 modes	41.0	–	42.2	–	48.4	–	39.4
Single modes	41.0	–	42.2	–	48.4	–	39.4
Truck	33.1	9.9	32.9	11.2	S	S	39.4
For-hire truck	S	S	46.5	5.2	S	S	22.9
Private truck	36.4	9.6	34.7	10.3	S	S	47.5
Rail	S	S	S	S	S	S	31.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	S	S	S	S	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 19, Coal and petroleum products, nec

Mode of transportation	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 modes	44.5	–	S	S	S	S	S
Single modes	45.1	10.4	S	S	S	S	S
Truck	33.8	16.9	S	S	S	S	S
For-hire truck	41.4	8.5	S	S	S	S	29.5
Private truck	S	S	S	S	S	S	S
Rail	S	S	S	S	S	S	29.3
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	S
Parcel, USPS or courier	S	S	S	S	S	S	S
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

SCTG 20, Basic chemicals

Mode of transportation	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 modes	S	S	S	S	S	S	S
Single modes	S	S	S	S	S	S	S
Truck	S	S	S	S	S	S	S
For-hire truck	S	S	48.9	11.9	S	S	27.2
Private truck	S	S	S	S	S	S	30.0
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	S
Parcel, USPS or courier	S	S	S	S	S	S	S
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 21, Pharmaceutical products

Mode of transportation	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 modes	34.4	–	S	S	38.6	–	S
Single modes	S	S	S	S	39.4	8.3	S
Truck	S	S	S	S	39.3	8.3	S
For-hire truck	24.4	16.9	42.9	16.3	42.9	11.9	25.3
Private truck	S	S	S	S	S	S	31.6
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	28.7
Pipeline	–	–	–	–	S	S	S
Multiple modes	40.8	13.9	36.7	15.9	29.5	8.3	28.5
Parcel, USPS or courier	40.8	13.9	36.7	15.9	29.5	8.3	28.5
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

SCTG 22, Fertilizers

Mode of transportation	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 modes	S	S	S	S	33.2	–	S
Single modes	S	S	S	S	33.2	–	S
Truck	S	S	S	S	33.2	–	S
For-hire truck	49.8	14.8	41.3	15.6	49.9	16.4	27.5
Private truck	S	S	S	S	44.4	16.4	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 23, Chemical products and preparations, nec

Mode of transportation	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 modes	32.0	–	48.2	–	S	S	20.0
Single modes	33.7	13.1	S	S	S	S	25.4
Truck	33.8	13.8	S	S	S	S	25.7
For-hire truck	38.3	10.3	47.2	10.9	S	S	20.0
Private truck	37.6	6.4	S	S	S	S	45.8
Rail	–	–	–	–	–	–	–
Water	S	S	S	S	S	S	31.6
Shallow draft	S	S	S	S	S	S	31.6
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	25.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	39.2	10.4	S	S	S	S	25.2
Parcel, USPS or courier	39.2	10.4	S	S	S	S	25.2
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

SCTG 24, Plastics and rubber

Mode of transportation	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 modes	25.5	–	27.9	–	31.6	–	19.1
Single modes	26.5	2.7	29.6	5.5	32.3	3.4	20.4
Truck	26.5	2.8	29.6	5.5	32.3	3.4	19.1
For-hire truck	27.8	4.1	30.2	5.3	32.5	3.2	17.2
Private truck	34.7	3.2	49.8	2.9	S	S	28.7
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	45.2	0.5	36.6	–	36.4	0.1	9.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	25.9	1.4	30.8	2.6	21.8	1.0	23.1
Parcel, USPS or courier	25.9	1.4	30.8	2.6	22.0	1.0	23.1
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	42.2	1.9	S	S	S	S	S

SCTG 25, Logs and other wood in the rough

Mode of transportation	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 modes	41.1	–	S	S	40.1	–	29.6
Single modes	41.1	–	S	S	40.1	–	29.6
Truck	41.1	–	S	S	40.1	–	29.6
For-hire truck	44.9	9.8	43.9	12.9	43.4	10.0	25.9
Private truck	S	S	S	S	S	S	27.5
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	–	–	–	–	–	–	–

SCTG 26, Wood products

Mode of transportation	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 modes	22.1	–	18.9	–	15.7	–	25.1
Single modes	22.5	1.2	19.0	0.5	15.8	0.2	31.9
Truck	23.5	3.0	21.0	5.2	21.5	6.7	33.2
For-hire truck	38.3	9.5	25.3	8.2	28.3	7.6	18.1
Private truck	34.3	9.6	32.9	10.5	26.3	2.7	43.5
Rail	14.7	2.5	21.1	4.9	18.4	6.7	4.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	39.8	0.1	S	S	45.4	–	20.8
Parcel, USPS or courier	39.8	0.1	S	S	45.4	–	20.8
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	49.9	0.5	S	S	S

SCTG 27, Pulp, newsprint, paper, and paperboard

Mode of transportation	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 modes	9.6	–	8.2	–	8.2	–	25.9
Single modes	9.4	3.0	8.1	0.8	7.5	1.0	16.4
Truck	12.5	4.0	10.8	3.8	11.2	4.7	16.3
For-hire truck	15.1	4.4	14.2	3.4	12.3	4.8	17.5
Private truck	22.5	3.1	18.3	2.8	39.3	1.2	22.8
Rail	10.4	3.9	10.3	3.6	11.9	4.6	9.3
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	S
Parcel, USPS or courier	S	S	S	S	38.2	–	S
Truck and rail	S	S	S	S	S	S	30.0
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

SCTG 28, Paper or paperboard articles

Mode of transportation	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 modes	26.7	–	29.3	–	24.8	–	26.4
Single modes	26.0	7.4	24.8	8.2	21.0	8.5	34.9
Truck	26.5	7.8	24.8	8.2	21.1	8.5	25.1
For-hire truck	35.0	8.8	31.9	8.3	22.3	8.6	33.9
Private truck	23.8	8.5	26.1	7.2	22.8	3.4	47.6
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	27.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	43.1	4.3	S	S	S	S	22.1
Parcel, USPS or courier	43.1	4.3	S	S	S	S	22.1
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	25.8

SCTG 29, Printed products

Mode of transportation	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 modes	13.7	–	13.5	–	17.4	–	8.2
Single modes	16.6	5.6	14.8	2.8	19.2	4.3	16.8
Truck	16.4	5.5	14.7	2.8	19.1	4.5	20.3
For-hire truck	18.0	5.0	15.9	5.5	19.5	4.6	12.4
Private truck	29.4	4.3	32.2	3.8	S	S	28.8
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	16.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	14.3	6.4	20.2	2.9	23.3	4.4	7.3
Parcel, USPS or courier	14.3	6.4	20.8	2.9	24.3	4.5	7.2
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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

Mode of transportation	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 modes	15.5	–	45.3	–	S	S	9.7
Single modes	27.1	6.8	S	S	S	S	17.5
Truck	27.2	6.8	S	S	S	S	18.9
For-hire truck	25.9	6.5	S	S	S	S	10.4
Private truck	40.5	2.4	36.8	6.5	S	S	30.0
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	35.5	–	43.1	–	47.0	0.2	21.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	25.6	7.8	16.0	8.5	17.9	11.2	9.8
Parcel, USPS or courier	25.8	7.7	15.9	8.5	17.0	11.0	9.8
Truck and rail	S	S	S	S	S	S	29.8
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	46.6	3.2	S	S	48.5	2.2	S

SCTG 31, Nonmetallic mineral products

Mode of transportation	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 modes	S	S	S	S	S	S	S
Single modes	S	S	S	S	S	S	S
Truck	S	S	S	S	S	S	S
For-hire truck	S	S	S	S	S	S	35.9
Private truck	S	S	S	S	S	S	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	29.0
Pipeline	–	–	–	–	S	S	S
Multiple modes	38.1	11.1	S	S	S	S	34.2
Parcel, USPS or courier	41.6	11.1	35.8	8.8	41.0	10.4	16.7
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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

Mode of transportation	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 modes	13.4	–	28.9	–	37.4	–	33.0
Single modes	14.3	2.1	29.1	1.3	37.5	1.2	38.4
Truck	15.3	3.2	25.9	16.5	S	S	38.7
For-hire truck	18.5	5.2	27.8	10.5	13.6	19.0	23.6
Private truck	20.0	4.6	24.7	7.3	20.7	4.3	28.4
Rail	S	S	S	S	S	S	29.1
Water	43.0	3.0	41.5	17.0	S	S	25.8
Shallow draft	S	S	S	S	S	S	31.6
Great Lakes	42.0	2.6	42.0	16.5	S	S	25.8
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	38.2	0.9	S	S	S	S	17.0
Parcel, USPS or courier	38.2	0.9	S	S	S	S	17.0
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

SCTG 33, Articles of base metal

Mode of transportation	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 modes	22.8	–	35.2	–	27.6	–	21.3
Single modes	26.9	5.6	35.6	1.6	27.0	1.5	21.3
Truck	27.1	5.5	35.7	1.6	27.3	1.7	21.5
For-hire truck	30.6	6.5	32.6	4.8	27.6	3.1	16.8
Private truck	31.9	3.9	47.9	4.3	39.6	3.3	37.0
Rail	S	S	S	S	S	S	31.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	43.3	0.4	S	S	S	S	13.7
Pipeline	–	–	–	–	S	S	S
Multiple modes	34.9	4.0	32.0	0.6	42.5	1.2	22.6
Parcel, USPS or courier	36.5	4.0	30.0	0.5	43.3	0.9	22.7
Truck and rail	S	S	S	S	S	S	29.8
Truck and water	S	S	S	S	S	S	30.4
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	45.4	1.4	S	S	S

SCTG 34, Machinery

Mode of transportation	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 modes	16.1	–	14.5	–	10.7	–	32.0
Single modes	14.9	2.8	14.0	1.1	10.4	1.1	41.0
Truck	15.2	2.5	15.4	3.0	11.4	5.2	41.9
For-hire truck	11.7	4.6	16.3	6.7	13.5	5.1	21.1
Private truck	37.8	4.9	34.6	7.1	30.4	4.7	24.0
Rail	42.9	1.1	S	S	S	S	23.7
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	28.9	0.4	46.3	0.2	S	S	13.8
Pipeline	–	–	–	–	S	S	S
Multiple modes	21.5	2.6	36.5	0.9	23.5	0.7	25.4
Parcel, USPS or courier	21.4	2.6	36.4	0.9	23.6	0.7	25.4
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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

Mode of transportation	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 modes	9.8	–	15.6	–	23.4	–	6.7
Single modes	10.8	3.7	20.2	4.9	35.5	6.3	17.5
Truck	16.3	5.0	21.3	5.2	38.6	6.9	23.9
For-hire truck	24.8	5.4	32.0	7.8	40.7	8.0	23.1
Private truck	30.0	4.4	27.9	7.3	24.2	1.9	44.7
Rail	S	S	S	S	S	S	31.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	25.5	5.1	24.3	0.9	24.0	1.7	5.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	13.8	3.8	28.9	4.9	26.9	6.3	4.3
Parcel, USPS or courier	14.6	4.2	31.1	5.1	29.9	7.1	4.3
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	S	S	S	S	S	S	31.6
Other and unknown modes	38.0	0.4	S	S	S	S	S

SCTG 36, Motorized and other vehicles (including parts)

Mode of transportation	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 modes	22.8	–	25.8	–	28.7	–	30.0
Single modes	26.9	8.6	23.4	10.7	39.0	9.8	S
Truck	27.0	8.5	23.6	10.7	39.8	9.7	S
For-hire truck	39.1	10.4	39.1	10.8	44.6	11.4	22.9
Private truck	32.7	7.6	37.2	8.8	31.1	9.0	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	38.2	1.1	S	S	S	S	12.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	43.6	6.0	S	S	49.4	7.4	19.4
Parcel, USPS or courier	43.6	6.0	S	S	49.4	7.4	19.4
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	36.0	7.7	S

SCTG 37, Transportation equipment, nec

Mode of transportation	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 modes	46.2	–	47.1	–	37.0	–	12.2
Single modes	S	S	42.6	9.8	40.1	10.2	19.7
Truck	44.8	10.0	42.8	9.7	40.6	10.4	39.4
For-hire truck	S	S	47.6	12.9	S	S	15.5
Private truck	42.9	12.9	49.0	14.8	45.5	13.1	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	28.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	17.9
Parcel, USPS or courier	S	S	S	S	S	S	17.9
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

SCTG 38, Precision instruments and apparatus

Mode of transportation	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 modes	19.3	–	41.7	–	39.1	–	7.8
Single modes	29.3	8.4	43.4	9.8	42.0	10.2	13.7
Truck	31.4	4.9	47.5	11.3	47.3	14.8	32.0
For-hire truck	30.9	4.5	41.0	10.9	46.3	14.0	20.7
Private truck	47.4	0.5	S	S	S	S	27.1
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	40.2	9.0	25.0	4.5	29.2	9.2	5.4
Pipeline	S	S	S	S	S	S	S
Multiple modes	30.9	8.5	36.4	9.9	32.5	10.2	6.1
Parcel, USPS or courier	30.9	8.5	36.4	9.9	32.5	10.2	6.1
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	39.3	0.3	S	S	46.2	0.2	S

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

Mode of transportation	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 modes	26.0	–	38.8	–	42.9	–	8.4
Single modes	29.4	3.7	41.1	3.0	S	S	22.6
Truck	29.6	3.7	41.1	3.1	S	S	24.0
For-hire truck	S	S	S	S	S	S	13.9
Private truck	24.2	10.7	S	S	35.2	4.3	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	22.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	22.7	2.5	22.5	2.8	22.2	8.4	8.0
Parcel, USPS or courier	22.7	2.5	22.5	2.8	22.2	8.4	8.0
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	48.0	0.6	S	S	48.9

SCTG 40, Miscellaneous manufactured products

Mode of transportation	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 modes	18.6	–	22.8	–	33.6	–	15.1
Single modes	24.2	5.9	25.3	4.5	37.2	4.9	30.0
Truck	24.6	6.2	25.7	4.5	38.1	5.0	37.1
For-hire truck	17.8	6.1	32.0	8.1	39.8	6.0	23.3
Private truck	49.3	4.5	36.9	6.4	29.1	1.9	25.5
Rail	S	S	S	S	S	S	31.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	25.8	0.6	48.1	0.8	40.4	1.0	10.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	20.3	5.9	25.8	2.3	42.2	4.7	11.7
Parcel, USPS or courier	21.4	6.2	28.2	2.4	23.0	5.1	11.8
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	30.3
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	48.4	3.5	S	S	30.6	0.3	S

SCTG 41, Waste and scrap

Mode of transportation	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 modes	S	S	S	S	S	S	22.7
Single modes	S	S	S	S	S	S	22.8
Truck	S	S	S	S	S	S	28.2
For-hire truck	S	S	S	S	S	S	23.1
Private truck	S	S	S	S	S	S	32.5
Rail	S	S	S	S	S	S	23.8
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	–	–	–	–	–	–	–
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	33.8

SCTG 43, Mixed freight

Mode of transportation	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 modes	15.4	–	31.0	–	31.7	–	17.4
Single modes	16.9	2.5	31.2	0.4	32.0	1.1	20.4
Truck	17.2	2.6	31.2	0.4	32.1	1.1	15.7
For-hire truck	24.9	7.0	26.9	6.6	33.6	8.9	13.4
Private truck	15.8	6.5	39.7	6.6	37.6	8.6	13.4
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	45.9	0.4	47.5	–	48.5	0.1	18.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	26.5	2.1	33.2	0.3	41.0	1.1	19.4
Parcel, USPS or courier	26.5	2.1	33.2	0.3	41.0	1.1	19.4
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	41.6	0.8	38.3	0.1	S	S	S

Commodity unknown

Mode of transportation	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 modes	30.2	–	S	S	S	S	24.5
Single modes	31.9	8.3	S	S	S	S	27.2
Truck	31.9	11.3	S	S	S	S	27.5
For-hire truck	37.3	12.4	S	S	S	S	23.0
Private truck	S	S	42.1	15.5	S	S	29.6
Rail	S	S	S	S	S	S	29.8
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	30.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	48.1	8.5	S	S	S	S	23.5
Parcel, USPS or courier	50.0	8.6	S	S	S	S	23.5
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	45.3

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.