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	5.7	–	6.4	–	11.7	–	8.3
Single modes	5.9	1.6	6.8	1.1	13.2	3.6	7.7
Truck	5.7	1.7	7.8	2.1	11.6	4.6	8.0
For-hire truck	7.3	1.5	12.3	2.9	14.6	4.2	9.2
Private truck	5.7	1.7	9.3	2.9	9.0	1.5	8.0
Rail	8.6	0.1	20.9	3.2	29.3	5.2	12.6
Water	S	S	48.0	1.4	S	S	33.7
Shallow draft	S	S	48.0	1.4	S	S	28.8
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	31.6
Air (including truck and air)	40.7	0.4	27.5	–	22.9	–	3.9
Pipeline	32.5	0.3	32.1	0.9	S	S	S
Multiple modes	13.1	1.3	34.1	0.8	34.9	3.5	6.3
Parcel, USPS or courier	13.3	1.3	16.1	–	17.9	0.2	6.3
Truck and rail	23.6	–	11.8	–	18.5	0.1	13.5
Truck and water	S	S	S	S	S	S	16.9
Rail and water	41.3	–	40.1	0.8	42.4	3.5	20.5
Other Multiple modes	S	S	S	S	S	S	31.6
Other and unknown modes	19.8	0.7	23.8	0.6	16.0	0.3	36.7

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	31.6
Single modes	S	S	S	S	S	S	31.6
Truck	S	S	S	S	S	S	31.6
For-hire truck	–	–	–	–	–	–	–
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	S	S	S	S	S	S	31.6
Single modes	S	S	S	S	S	S	31.6
Truck	S	S	S	S	S	S	31.6
For-hire truck	–	–	–	–	–	–	–
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 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	43.8	–	S	S	S	S	S
Single modes	45.4	10.3	S	S	S	S	31.9
Truck	45.6	10.2	S	S	S	S	32.0
For-hire truck	41.1	1.3	S	S	S	S	34.8
Private truck	46.4	10.0	S	S	S	S	33.1
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	S
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	28.5
Parcel, USPS or courier	S	S	S	S	S	S	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 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	S	S	S	S	S	S	22.8
Single modes	S	S	S	S	S	S	22.9
Truck	S	S	S	S	S	S	22.9
For-hire truck	S	S	S	S	S	S	36.4
Private truck	S	S	S	S	S	S	23.5
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	32.3
Parcel, USPS or courier	S	S	S	S	S	S	32.3
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	29.9

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	40.9	–	49.3	–	S	S	S
Single modes	40.9	–	49.3	–	S	S	S
Truck	40.9	–	49.3	–	S	S	S
For-hire truck	32.4	7.7	29.6	8.1	45.4	10.6	S
Private truck	42.9	7.7	S	S	S	S	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	49.2	–	26.1
Parcel, USPS or courier	S	S	S	S	49.2	–	26.1
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 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	23.6	–	25.9	–	19.4	–	19.6
Single modes	24.3	2.2	26.9	2.8	22.6	7.5	20.9
Truck	24.4	2.1	27.1	2.8	23.5	7.0	19.8
For-hire truck	32.1	8.2	30.4	8.5	29.0	8.3	16.7
Private truck	47.7	8.1	S	S	42.7	6.7	S
Rail	S	S	S	S	S	S	29.8
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	31.7	2.1	29.5	2.9	30.2	7.6	34.7
Parcel, USPS or courier	S	S	S	S	S	S	29.8
Truck and rail	31.8	2.1	29.6	2.9	30.2	7.6	20.2
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	47.3

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	17.4	–	20.1	–	18.2	–	42.9
Single modes	18.2	3.3	21.6	5.1	18.0	0.5	30.2
Truck	18.2	3.3	21.6	5.1	18.0	0.5	31.4
For-hire truck	20.7	6.2	18.6	9.5	19.5	5.3	S
Private truck	21.5	6.3	29.8	9.8	31.1	5.1	33.4
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	27.3
Parcel, USPS or courier	S	S	S	S	S	S	27.6
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	S

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	42.2	–	41.3	–	S	S	49.2
Single modes	42.2	–	41.3	–	S	S	49.2
Truck	42.2	–	41.3	–	S	S	49.2
For-hire truck	S	S	S	S	S	S	31.6
Private truck	38.0	7.4	42.8	6.7	S	S	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 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	35.9	–	34.2	–	32.0	–	S
Single modes	26.3	5.9	27.7	4.3	32.9	2.0	S
Truck	26.3	5.9	27.7	4.3	32.9	2.0	S
For-hire truck	S	S	S	S	S	S	14.7
Private truck	30.8	10.6	35.0	11.3	38.5	12.8	37.1
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	19.2
Parcel, USPS or courier	S	S	33.4	0.2	36.4	0.5	19.5
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	31.6

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	36.3	–	41.9	–	37.7	–	23.8
Single modes	36.5	0.6	42.4	0.7	40.3	3.3	22.4
Truck	36.6	0.7	42.5	0.9	41.1	4.3	22.1
For-hire truck	S	S	S	S	S	S	36.7
Private truck	S	S	48.7	10.3	S	S	23.7
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
Multiple modes	S	S	S	S	S	S	27.9
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	S	S	S	S	S	S	27.9
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	S	S	S	S	45.0	–	49.3
Single modes	S	S	S	S	45.0	–	S
Truck	S	S	S	S	49.7	7.4	49.7
For-hire truck	34.5	10.0	41.2	8.9	34.2	7.9	33.8
Private truck	S	S	S	S	S	S	34.7
Rail	41.2	1.3	41.3	2.1	42.2	7.3	25.9
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	31.1

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	25.7	–	24.9	–	19.9	–	8.5
Single modes	25.8	0.2	25.0	0.1	19.9	–	8.5
Truck	25.8	0.9	24.9	0.8	19.8	2.3	8.6
For-hire truck	41.8	6.4	35.6	4.8	29.5	6.1	10.1
Private truck	22.0	6.1	28.5	4.6	23.9	6.4	9.9
Rail	46.8	0.7	46.7	0.6	S	S	26.0
Water	S	S	S	S	S	S	29.8
Shallow draft	S	S	S	S	S	S	29.8
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	29.3

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	33.3	–	S	S	S	S	S
Single modes	33.3	–	S	S	S	S	S
Truck	35.5	4.6	S	S	S	S	S
For-hire truck	44.3	10.5	S	S	S	S	S
Private truck	37.9	11.2	S	S	45.2	13.7	S
Rail	41.4	4.6	41.7	3.7	43.8	12.3	26.7
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	–	–	–	–	–	–	–

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	S	S	S	S	S	S	22.0
Single modes	S	S	S	S	S	S	23.8
Truck	S	S	S	S	S	S	24.6
For-hire truck	S	S	S	S	S	S	24.8
Private truck	S	S	S	S	S	S	30.4
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	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	29.2
Parcel, USPS or courier	S	S	S	S	S	S	29.2
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

SCTG 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	18.1	–	18.5	–	26.4	–	S
Single modes	20.3	5.8	20.9	6.4	33.2	10.8	S
Truck	31.2	3.6	33.3	4.3	27.9	0.4	41.8
For-hire truck	44.3	2.8	43.1	2.9	32.5	0.4	43.9
Private truck	S	S	S	S	48.7	0.1	41.9
Rail	25.6	10.4	24.8	10.1	34.5	12.2	14.1
Water	42.0	4.9	41.5	4.7	38.5	1.6	28.3
Shallow draft	42.0	4.9	41.5	4.7	38.5	1.6	28.3
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	41.3	5.0	40.1	5.6	42.4	10.7	20.5
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	41.3	5.0	40.1	5.6	42.4	10.7	20.5
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	30.5

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	28.4	–	30.9	–	48.7	–	15.7
Single modes	28.4	–	30.9	0.1	48.8	0.7	16.0
Truck	38.1	10.4	43.3	11.2	S	S	16.0
For-hire truck	31.2	5.3	28.6	5.4	31.1	8.3	15.9
Private truck	S	S	S	S	S	S	15.8
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)	–	–	–	–	–	–	–
Pipeline	29.7	10.1	29.0	10.8	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	31.6

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	42.8	–	44.1	–	34.0	–	17.5
Single modes	43.2	4.5	44.4	4.9	35.6	6.4	17.3
Truck	39.0	8.1	40.9	8.6	37.0	6.2	17.5
For-hire truck	27.8	11.4	28.0	11.2	35.1	11.7	28.2
Private truck	45.0	8.0	46.0	8.1	45.5	11.2	16.9
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)	–	–	–	–	–	–	–
Pipeline	S	S	S	S	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 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	43.0	–	48.6	–	29.4	–	32.0
Single modes	39.6	2.1	48.7	0.2	29.0	0.9	S
Truck	41.3	2.8	49.5	2.3	30.9	5.7	S
For-hire truck	S	S	39.1	11.7	41.5	11.1	19.9
Private truck	38.7	9.8	S	S	43.4	9.4	S
Rail	35.6	2.4	47.7	2.1	39.9	5.9	24.1
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.6
Pipeline	S	S	S	S	S	S	S
Multiple modes	S	S	S	S	S	S	30.7
Parcel, USPS or courier	S	S	S	S	S	S	30.7
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	43.2

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	35.5	–	29.8	–	31.7	–	30.6
Single modes	37.6	8.0	30.2	1.6	32.1	1.2	29.0
Truck	38.5	9.1	31.7	8.4	35.2	9.6	29.0
For-hire truck	39.3	11.6	35.7	9.3	39.1	11.8	21.5
Private truck	47.4	7.6	S	S	S	S	23.5
Rail	29.4	2.2	21.7	8.5	21.2	9.7	24.1
Water	S	S	S	S	S	S	31.6
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	31.6
Air (including truck and air)	S	S	S	S	S	S	25.4
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	32.3

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	38.6	–	23.7	–	25.0	–	20.2
Single modes	44.7	13.5	24.4	4.1	25.5	7.0	34.0
Truck	44.2	13.7	33.1	10.0	27.5	14.6	24.4
For-hire truck	45.9	13.8	23.3	10.1	27.8	12.6	26.5
Private truck	49.6	3.6	S	S	43.5	3.4	39.8
Rail	S	S	S	S	S	S	28.4
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	18.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	22.9	13.0	24.0	1.6	27.3	4.0	22.3
Parcel, USPS or courier	22.9	13.0	24.0	1.6	27.3	4.0	22.3
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	30.7

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	S	S	49.6
Single modes	S	S	S	S	S	S	48.2
Truck	S	S	S	S	S	S	S
For-hire truck	S	S	S	S	S	S	30.5
Private truck	S	S	S	S	S	S	S
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
Multiple modes	S	S	S	S	S	S	28.6
Parcel, USPS or courier	S	S	S	S	S	S	28.6
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	25.5	–	25.7	–	44.3	–	29.4
Single modes	26.6	3.0	26.8	3.3	44.3	0.8	32.9
Truck	26.9	4.0	28.4	6.3	48.1	7.9	33.3
For-hire truck	25.0	8.0	38.7	9.2	S	S	17.7
Private truck	46.8	9.6	46.2	10.6	36.2	6.4	33.8
Rail	S	S	S	S	S	S	31.6
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	48.6	–	S	S	23.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	19.4
Parcel, USPS or courier	S	S	S	S	S	S	19.4
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	32.4	–	22.5	–	17.6	–	12.9
Single modes	35.5	3.3	23.1	1.6	18.9	3.1	15.9
Truck	35.3	3.1	21.6	1.7	17.5	2.8	15.6
For-hire truck	38.0	4.6	23.0	2.4	17.6	2.9	11.3
Private truck	22.1	2.6	18.7	1.9	24.3	0.3	31.3
Rail	S	S	S	S	47.0	2.2	28.1
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	37.3	–	37.9	–	20.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	22.8	3.1	22.8	1.5	21.7	3.1	11.3
Parcel, USPS or courier	24.8	3.2	37.9	1.6	49.6	2.9	11.1
Truck and rail	33.2	0.3	32.4	0.3	36.0	2.0	23.0
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	41.9	0.4	S	S	S	S	38.3

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	48.0	–	S	S	47.1	–	S
Single modes	48.1	0.4	S	S	47.2	0.4	S
Truck	48.1	0.8	S	S	47.1	0.8	S
For-hire truck	S	S	S	S	S	S	S
Private truck	S	S	S	S	S	S	24.6
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
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	31.0

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	16.7	–	34.3	–	22.3	–	13.1
Single modes	16.5	0.4	34.5	0.2	22.8	1.9	9.4
Truck	16.0	1.3	34.5	0.4	22.9	2.4	9.3
For-hire truck	29.6	6.2	27.4	9.5	30.8	8.2	13.5
Private truck	18.8	7.1	S	S	49.3	9.0	8.4
Rail	S	S	S	S	S	S	26.2
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	29.9
Pipeline	S	S	S	S	S	S	S
Multiple modes	44.8	0.3	S	S	S	S	11.7
Parcel, USPS or courier	28.7	0.3	25.5	–	25.3	–	12.2
Truck and rail	S	S	S	S	S	S	29.9
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	S	S	S	S	S	S	31.6
Other and unknown modes	49.2	0.3	41.3	0.1	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	18.4	–	22.1	–	20.1	–	41.2
Single modes	18.3	0.9	22.2	0.8	20.4	1.3	S
Truck	18.5	1.1	23.0	1.7	21.1	2.3	S
For-hire truck	19.1	6.8	20.8	5.4	20.0	2.1	15.5
Private truck	33.6	6.6	37.8	5.0	S	S	25.4
Rail	37.0	0.9	43.6	1.7	31.9	2.6	S
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	30.8
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	22.6
Parcel, USPS or courier	S	S	S	S	S	S	22.6
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

SCTG 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	13.2	–	16.8	–	29.9	–	45.1
Single modes	14.9	4.9	17.0	2.9	31.5	3.3	S
Truck	14.8	4.9	17.0	3.2	31.4	4.0	S
For-hire truck	17.5	5.9	21.9	5.3	35.1	4.9	13.3
Private truck	19.8	6.4	24.9	5.7	27.7	3.6	S
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	31.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	45.9	1.3	S	S	14.8
Parcel, USPS or courier	S	S	45.9	1.3	S	S	14.8
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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	15.4	–	35.1	–	24.3	–	13.7
Single modes	14.4	4.4	32.9	2.2	25.6	5.0	S
Truck	14.3	4.6	33.0	2.3	25.7	5.5	S
For-hire truck	19.9	6.6	36.7	5.7	25.9	5.4	16.5
Private truck	33.6	3.7	S	S	S	S	30.6
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	12.7
Pipeline	–	–	–	–	S	S	S
Multiple modes	39.4	4.1	34.9	1.6	46.0	4.9	11.9
Parcel, USPS or courier	39.4	4.1	34.9	1.6	46.0	4.9	11.9
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	49.6	2.0	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	23.1	–	18.4	–	17.3	–	6.7
Single modes	26.2	6.6	14.9	4.7	9.7	6.4	15.1
Truck	26.9	6.2	15.6	4.9	10.3	6.9	16.1
For-hire truck	30.2	6.3	18.5	4.4	11.3	6.6	8.7
Private truck	21.8	3.0	28.3	5.4	27.0	1.2	37.0
Rail	S	S	S	S	S	S	S
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	46.4	1.0	S	S	45.7	0.9	11.8
Pipeline	S	S	S	S	S	S	S
Multiple modes	26.5	6.4	39.3	4.3	41.4	6.2	4.7
Parcel, USPS or courier	26.5	6.4	39.3	4.3	41.5	6.2	4.7
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	27.9
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	45.0	2.1	40.5	1.1	46.5	1.4	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	7.5	–	31.1	–	18.2	–	17.5
Single modes	10.3	4.9	32.6	4.5	20.4	4.5	43.8
Truck	10.5	4.9	32.9	4.5	20.1	4.2	38.5
For-hire truck	16.1	7.4	21.4	8.2	22.5	6.6	13.5
Private truck	28.1	5.1	47.3	10.1	43.5	5.9	36.4
Rail	S	S	S	S	S	S	32.1
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	31.2
Pipeline	–	–	–	–	S	S	S
Multiple modes	36.6	4.6	S	S	48.5	1.6	23.8
Parcel, USPS or courier	39.7	4.6	S	S	S	S	10.2
Truck and rail	S	S	S	S	S	S	29.8
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	48.8	1.1	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	10.4	–	12.4	–	9.1	–	17.2
Single modes	10.6	0.5	12.6	0.2	9.2	0.2	12.4
Truck	11.0	1.4	13.8	2.0	10.8	3.0	12.5
For-hire truck	9.4	3.7	12.6	4.6	11.7	4.6	6.9
Private truck	23.1	3.9	29.0	4.6	45.3	4.4	10.4
Rail	15.0	1.1	16.2	2.0	18.8	3.0	12.7
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	20.7
Pipeline	–	–	–	–	S	S	S
Multiple modes	39.3	0.4	27.3	–	S	S	13.4
Parcel, USPS or courier	39.6	0.4	23.8	–	30.2	–	13.4
Truck and rail	S	S	S	S	S	S	43.5
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	29.2	0.3	24.3	0.2	32.9	0.2	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	16.1	–	21.4	–	25.4	–	17.2
Single modes	11.3	4.4	21.7	1.3	25.7	2.7	30.8
Truck	11.0	4.5	21.3	3.0	29.8	6.2	31.2
For-hire truck	10.9	5.9	24.0	7.1	31.5	6.4	7.4
Private truck	19.5	3.6	31.3	6.3	27.0	1.8	27.7
Rail	36.7	0.5	43.0	2.7	43.5	5.7	20.1
Water	S	S	S	S	S	S	27.9
Shallow draft	S	S	S	S	S	S	27.9
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	25.7
Pipeline	–	–	–	–	S	S	S
Multiple modes	43.7	4.6	40.7	1.0	44.4	1.2	15.6
Parcel, USPS or courier	44.8	4.7	40.5	0.9	41.9	1.2	15.6
Truck and rail	S	S	S	S	S	S	S
Truck and water	S	S	S	S	S	S	36.1
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	46.7	1.2	46.7	2.1	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	11.5	–	15.5	–	18.9	–	17.2
Single modes	12.8	4.6	16.9	3.0	20.5	2.9	33.2
Truck	12.9	4.7	16.9	3.0	20.3	2.9	22.8
For-hire truck	11.6	7.0	23.7	10.6	25.2	6.3	9.8
Private truck	30.4	6.8	38.4	10.9	32.2	4.6	35.9
Rail	S	S	S	S	S	S	31.6
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	46.3	0.2	S	S	S	S	12.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	27.4	3.6	27.2	1.2	33.3	2.8	13.3
Parcel, USPS or courier	27.7	3.6	30.4	1.2	42.8	2.2	13.5
Truck and rail	S	S	S	S	S	S	29.8
Truck and water	S	S	S	S	S	S	30.2
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	49.1	2.3	41.8	0.2	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	20.8	–	27.4	–	26.7	–	19.4
Single modes	25.2	6.3	29.8	4.9	29.6	5.4	S
Truck	27.7	7.9	29.9	4.9	29.6	5.3	S
For-hire truck	34.4	7.6	34.0	7.4	30.1	5.6	9.7
Private truck	S	S	S	S	S	S	23.9
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	39.7	0.3	10.1
Pipeline	–	–	–	–	S	S	S
Multiple modes	28.1	5.9	24.6	3.4	38.1	5.4	10.1
Parcel, USPS or courier	28.1	5.9	24.7	3.4	38.5	5.4	10.1
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	41.9	1.2	33.5	1.7	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	19.8	–	29.9	–	34.3	–	37.8
Single modes	15.8	5.0	34.4	5.7	35.3	3.2	S
Truck	15.9	4.8	34.8	5.5	35.8	3.1	S
For-hire truck	20.8	6.9	50.0	7.3	44.1	6.4	14.1
Private truck	23.8	7.5	S	S	28.4	5.1	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	18.9
Pipeline	–	–	–	–	S	S	S
Multiple modes	39.0	0.6	42.4	0.3	36.5	0.7	30.2
Parcel, USPS or courier	39.7	0.6	43.0	0.3	42.2	0.7	29.7
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	29.8
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	49.2	5.5	29.1	2.9	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	34.8	–	48.1	–	40.9	–	18.5
Single modes	37.7	7.7	48.9	1.3	41.3	1.2	16.9
Truck	40.0	9.3	S	S	S	S	16.8
For-hire truck	40.7	9.6	S	S	S	S	21.6
Private truck	S	S	S	S	S	S	23.0
Rail	44.5	2.8	45.1	9.2	49.9	11.0	25.8
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	43.8	4.3	42.2	6.4	S	S	23.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	21.5	7.7	49.5	1.3	S	S	19.1
Parcel, USPS or courier	21.5	7.7	49.5	1.3	S	S	19.1
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	29.8

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	36.8	–	S	S	40.8	–	26.4
Single modes	26.1	12.1	S	S	46.1	13.3	S
Truck	25.0	11.9	S	S	46.2	13.2	S
For-hire truck	31.8	8.8	37.1	14.3	30.6	12.3	20.1
Private truck	30.5	9.0	S	S	S	S	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	44.4	–	45.3	0.2	17.9
Pipeline	–	–	–	–	S	S	S
Multiple modes	46.7	11.1	32.6	7.6	38.8	9.9	24.4
Parcel, USPS or courier	46.7	11.1	32.6	7.6	38.8	9.9	24.4
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	35.8

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	19.5	–	23.8	–	23.1	–	22.8
Single modes	18.9	0.7	23.2	0.5	23.1	1.1	31.8
Truck	18.7	0.8	23.2	0.5	23.1	1.2	31.9
For-hire truck	16.8	7.4	20.7	7.0	23.7	2.3	11.0
Private truck	40.7	6.8	S	S	25.9	1.9	37.3
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	29.9
Pipeline	–	–	–	–	S	S	S
Multiple modes	41.5	0.6	S	S	S	S	12.2
Parcel, USPS or courier	41.5	0.5	S	S	49.7	0.2	11.9
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 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	11.4	–	17.0	–	20.5	–	16.9
Single modes	14.5	5.4	16.6	0.8	19.4	1.4	37.3
Truck	14.6	5.5	16.6	0.8	19.4	1.4	37.4
For-hire truck	18.0	6.4	19.0	3.4	20.1	2.0	9.5
Private truck	22.0	4.3	18.7	3.7	29.0	2.0	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	45.8	–	S	S	24.2
Pipeline	–	–	–	–	S	S	S
Multiple modes	23.9	4.5	17.8	0.7	22.5	1.1	8.8
Parcel, USPS or courier	23.9	4.5	17.8	0.7	22.5	1.1	8.8
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	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	45.0	–	S	S	S	S	18.7
Single modes	45.0	–	S	S	S	S	18.8
Truck	34.3	9.8	S	S	S	S	20.2
For-hire truck	34.9	9.1	S	S	S	S	17.7
Private truck	33.2	2.3	31.6	6.0	33.0	5.2	40.1
Rail	48.7	3.5	44.8	3.6	40.5	6.4	31.4
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	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	–	–	–	–	–	–	–

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	7.4	–	11.5	–	17.6	–	39.6
Single modes	6.6	1.2	10.3	2.8	17.2	4.2	S
Truck	6.6	1.2	10.2	2.8	15.9	4.3	S
For-hire truck	11.3	2.4	29.3	5.6	32.9	6.0	S
Private truck	7.7	2.7	10.6	5.8	8.0	7.7	20.8
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	30.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	28.3	1.1	35.3	0.5	27.4	0.7	S
Parcel, USPS or courier	28.3	1.1	35.3	0.5	27.4	0.7	S
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	29.6	0.1	S	S	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	40.5	–	46.3	–	S	S	19.6
Single modes	44.9	5.8	41.2	8.4	S	S	30.8
Truck	47.7	7.2	49.8	13.3	S	S	S
For-hire truck	S	S	S	S	S	S	15.3
Private truck	33.1	12.8	S	S	37.8	13.7	S
Rail	46.5	2.4	S	S	S	S	26.9
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	29.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	49.2	3.7	S	S	S	S	26.7
Parcel, USPS or courier	49.2	3.7	S	S	S	S	26.7
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	29.9

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.