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	4.0	–	9.6	–	5.8	–	8.4
Single modes	4.8	1.7	9.9	0.7	4.9	2.4	23.5
Truck	4.9	1.6	12.4	2.7	6.7	3.3	22.6
For-hire truck	9.2	2.3	16.5	2.9	6.0	3.6	9.2
Private truck	6.2	2.0	13.9	3.6	20.5	2.7	29.5
Rail	23.6	0.2	23.1	0.7	14.0	1.8	8.7
Water	43.0	–	39.2	0.4	S	S	13.2
Shallow draft	S	S	S	S	S	S	S
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	48.8	0.4	S	S	14.4
Air (including truck and air)	15.0	0.8	41.4	–	23.2	0.2	5.7
Pipeline	18.8	0.4	18.4	2.1	S	S	S
Multiple modes	7.6	1.4	18.5	0.2	24.6	2.4	5.6
Parcel, USPS or courier	7.5	1.4	9.8	–	13.5	0.3	5.6
Truck and rail	21.2	–	28.5	0.2	31.5	1.1	6.5
Truck and water	37.7	–	S	S	S	S	1.9
Rail and water	S	S	S	S	S	S	30.0
Other Multiple modes	S	S	S	S	S	S	34.2
Other and unknown modes	11.2	0.4	29.8	0.7	12.8	0.3	18.0

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	47.9	–	25.1
Single modes	S	S	S	S	42.2	11.6	31.8
Truck	S	S	S	S	S	S	29.2
For-hire truck	S	S	S	S	48.5	–	28.8
Private truck	S	S	S	S	S	S	31.6
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	41.8	10.3	41.9	10.6	42.0	11.5	25.8
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 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	31.5	–	35.5	–	S	S	S
Single modes	32.8	7.9	36.6	9.4	S	S	S
Truck	46.6	15.1	S	S	S	S	S
For-hire truck	S	S	S	S	42.5	15.6	S
Private truck	S	S	S	S	S	S	S
Rail	S	S	S	S	S	S	24.2
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)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	29.8
Parcel, USPS or courier	–	–	–	–	–	–	–
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	S	S	S	S	S	S	31.6
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	48.3

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	25.8	–	27.6	–	29.1	–	S
Single modes	26.6	2.1	27.8	0.7	29.4	2.2	S
Truck	26.5	2.3	28.2	2.0	32.1	5.9	S
For-hire truck	33.4	8.6	32.4	8.5	27.5	6.2	15.6
Private truck	39.7	9.3	37.6	9.5	S	S	S
Rail	S	S	S	S	S	S	16.4
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	44.7	0.5	48.0	0.2	S	S	7.9
Pipeline	–	–	–	–	S	S	S
Multiple modes	24.7	0.8	47.0	0.8	S	S	11.9
Parcel, USPS or courier	S	S	S	S	S	S	21.6
Truck and rail	30.7	0.4	34.8	0.5	39.3	1.5	4.6
Truck and water	S	S	S	S	S	S	25.9
Rail and water	S	S	S	S	S	S	31.6
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	34.4	2.1	S	S	36.5	0.9	38.5

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	17.8
Single modes	S	S	S	S	S	S	18.0
Truck	S	S	S	S	S	S	18.0
For-hire truck	S	S	S	S	S	S	S
Private truck	S	S	S	S	S	S	17.7
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	23.9
Parcel, USPS or courier	S	S	S	S	S	S	29.8
Truck and rail	S	S	S	S	S	S	39.6
Truck and water	S	S	S	S	S	S	29.8
Rail and water	S	S	S	S	S	S	31.6
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	31.6

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	29.8	–	32.3	–	36.9	–	S
Single modes	30.2	0.5	32.5	0.6	37.7	2.0	S
Truck	30.5	1.9	33.2	2.4	38.4	2.3	S
For-hire truck	40.8	6.7	30.3	5.6	35.5	8.5	27.9
Private truck	35.5	6.7	38.3	6.8	S	S	23.9
Rail	S	S	S	S	S	S	31.6
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	26.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	33.9	0.2	43.6	0.1	S	S	27.4
Parcel, USPS or courier	S	S	S	S	S	S	41.0
Truck and rail	–	–	–	–	–	–	–
Truck and water	41.2	0.1	46.7	0.1	S	S	18.0
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	39.8	0.4	S	S	47.5	1.5	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	28.5	–	37.2	–	22.4	–	45.6
Single modes	28.7	0.4	37.4	0.4	22.7	1.0	47.7
Truck	28.8	0.6	38.6	3.1	26.5	5.5	47.9
For-hire truck	42.7	9.0	29.8	10.3	30.3	7.0	19.8
Private truck	46.7	8.9	S	S	S	S	21.1
Rail	39.1	0.5	37.5	3.0	39.9	5.0	21.4
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	31.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	24.3	0.4	21.8	0.3	23.2	0.9	38.9
Parcel, USPS or courier	S	S	S	S	S	S	29.1
Truck and rail	38.0	0.3	32.8	0.2	32.1	0.6	18.9
Truck and water	S	S	S	S	S	S	23.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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	15.5	–	15.1	–	20.7	–	22.5
Single modes	15.5	1.7	15.8	2.2	20.8	5.0	24.3
Truck	16.0	1.7	16.3	2.3	24.0	6.1	24.3
For-hire truck	12.3	4.9	11.5	5.1	25.5	5.7	15.6
Private truck	26.4	5.1	27.6	5.6	27.9	3.3	19.5
Rail	21.7	0.6	26.4	0.8	29.2	4.1	12.6
Water	S	S	S	S	S	S	28.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	28.8
Air (including truck and air)	S	S	S	S	S	S	24.1
Pipeline	S	S	S	S	S	S	S
Multiple modes	42.3	1.8	S	S	S	S	S
Parcel, USPS or courier	S	S	S	S	S	S	S
Truck and rail	S	S	S	S	S	S	7.5
Truck and water	26.5	–	36.5	–	36.4	0.5	0.8
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	13.0	–	10.5	–	16.1	–	22.9
Single modes	12.8	1.1	11.0	1.1	17.9	3.6	34.2
Truck	14.6	3.7	13.6	4.7	21.3	9.1	34.9
For-hire truck	20.7	6.1	20.0	5.6	23.5	8.8	S
Private truck	21.2	6.3	20.5	6.6	18.0	1.9	37.6
Rail	S	S	S	S	S	S	23.2
Water	S	S	S	S	S	S	29.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	29.8
Air (including truck and air)	S	S	S	S	S	S	26.3
Pipeline	S	S	S	S	S	S	S
Multiple modes	26.0	1.1	26.0	1.2	27.0	3.3	35.0
Parcel, USPS or courier	S	S	S	S	S	S	25.6
Truck and rail	24.9	1.0	30.5	1.2	31.3	3.5	12.1
Truck and water	27.2	–	36.0	–	35.5	0.6	1.5
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	26.8

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	40.4	–	S	S	S	S	27.1
Single modes	40.4	–	S	S	S	S	27.1
Truck	40.4	–	S	S	S	S	27.1
For-hire truck	–	–	–	–	–	–	–
Private truck	40.4	–	S	S	S	S	27.1
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	S	S	S	S	27.1
Single modes	S	S	S	S	S	S	27.1
Truck	S	S	S	S	48.4	15.2	27.7
For-hire truck	–	–	–	–	–	–	–
Private truck	S	S	S	S	48.4	15.2	27.7
Rail	–	–	–	–	–	–	–
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)	–	–	–	–	–	–	–
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 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	37.4	–	41.2	–	47.0	–	10.8
Single modes	37.4	0.4	41.3	0.4	47.0	–	10.7
Truck	37.4	0.4	41.3	0.4	47.0	–	10.7
For-hire truck	41.6	7.2	S	S	48.6	8.0	11.3
Private truck	39.8	7.2	23.3	9.3	48.7	7.9	18.8
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	S	S	S	S	S	S	42.6

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	14.8	–	22.5	–	25.7	–	49.2
Single modes	15.1	3.0	23.4	2.9	26.4	2.7	20.0
Truck	16.5	3.7	25.1	3.9	24.2	10.8	18.7
For-hire truck	27.4	7.9	33.9	8.9	30.4	7.7	33.6
Private truck	21.1	8.2	31.0	9.2	34.4	11.9	15.1
Rail	S	S	S	S	S	S	27.2
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)	–	–	–	–	–	–	–
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	S

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	29.1	–	33.1	–	33.2	–	S
Single modes	29.1	5.0	33.7	8.5	32.5	10.0	S
Truck	34.7	10.6	45.9	12.3	27.5	13.5	S
For-hire truck	44.8	10.7	47.5	10.6	S	S	34.3
Private truck	26.3	12.4	S	S	34.5	14.2	S
Rail	46.8	10.2	48.1	10.2	42.4	14.4	26.3
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	45.4	1.6	S	S	S	S	S
Parcel, USPS or courier	S	S	S	S	49.3	–	49.2
Truck and rail	S	S	S	S	S	S	26.1
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	34.6

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	32.4	–	36.6	–	36.8	–	23.3
Single modes	32.9	4.1	36.6	0.3	36.9	5.7	S
Truck	32.9	4.1	36.6	0.3	36.9	5.7	S
For-hire truck	36.3	9.7	36.7	10.5	37.3	10.4	S
Private truck	S	S	S	S	S	S	30.4
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	–	–	–	–	S	S	S
Multiple modes	34.8	4.1	34.0	0.3	37.6	5.7	24.6
Parcel, USPS or courier	34.8	4.1	34.0	0.3	37.6	5.7	24.6
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
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	–	–	–	–	–	–	–
Single modes	–	–	–	–	–	–	–
Truck	–	–	–	–	–	–	–
For-hire truck	–	–	–	–	–	–	–
Private truck	–	–	–	–	–	–	–
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 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	11.6	–	10.2	–	22.0	–	47.8
Single modes	11.8	0.9	10.5	0.8	22.3	2.6	47.8
Truck	11.0	5.1	11.3	5.2	19.5	9.4	49.5
For-hire truck	19.1	3.3	17.8	3.0	24.1	6.0	20.7
Private truck	15.0	4.4	16.2	4.8	28.2	6.2	28.6
Rail	–	–	–	–	–	–	–
Water	S	S	S	S	S	S	29.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	29.8
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	20.2	5.1	18.9	5.5	S	S	S
Multiple modes	S	S	S	S	S	S	29.8
Parcel, USPS or courier	–	–	–	–	–	–	–
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	S	S	S	S	S

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	19.8	–	20.2	–	37.8	–	S
Single modes	20.5	2.2	20.8	2.0	38.1	0.8	S
Truck	23.5	7.1	24.8	7.1	29.8	11.8	S
For-hire truck	19.4	5.5	19.8	4.8	36.3	9.8	20.6
Private truck	36.6	5.5	37.0	5.3	40.8	8.6	S
Rail	–	–	–	–	–	–	–
Water	S	S	S	S	S	S	31.6
Shallow draft	S	S	S	S	S	S	31.0
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	31.6
Air (including truck and air)	–	–	–	–	–	–	–
Pipeline	29.9	8.7	30.9	9.3	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	S

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	23.8	–	24.1	–	28.4	–	S
Single modes	25.8	5.4	23.9	2.8	25.3	5.0	S
Truck	27.9	7.8	23.6	7.1	38.6	8.1	S
For-hire truck	40.1	7.3	31.5	8.9	S	S	S
Private truck	28.1	10.7	32.9	12.2	31.1	9.2	14.0
Rail	S	S	S	S	33.1	9.5	30.0
Water	S	S	S	S	S	S	30.8
Shallow draft	S	S	S	S	S	S	30.0
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	29.8
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	27.1
Parcel, USPS or courier	S	S	S	S	S	S	29.2
Truck and rail	S	S	S	S	S	S	27.8
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	S

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	22.4	–	21.1	–	32.6	–	29.9
Single modes	21.8	4.3	21.3	0.9	33.1	4.6	S
Truck	21.8	4.2	22.3	4.8	30.4	10.7	S
For-hire truck	39.4	9.6	33.1	10.5	S	S	22.1
Private truck	28.1	10.2	27.5	10.6	41.9	10.6	S
Rail	43.0	1.2	S	S	S	S	26.5
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	23.9
Pipeline	S	S	S	S	S	S	S
Multiple modes	S	S	S	S	S	S	29.4
Parcel, USPS or courier	S	S	S	S	S	S	21.5
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	S	S	S	S	31.2
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	45.2	0.7	S	S	S

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	7.3	–	17.2	–	20.7	–	10.3
Single modes	17.7	8.1	20.3	6.2	21.9	4.2	21.7
Truck	17.3	6.3	20.5	6.4	23.2	4.9	31.0
For-hire truck	22.8	5.9	17.9	5.8	24.5	4.9	39.8
Private truck	22.4	1.9	39.0	5.2	32.8	2.2	S
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	38.8	5.0	23.2	0.6	22.0	1.4	5.2
Pipeline	–	–	–	–	S	S	S
Multiple modes	17.5	7.8	20.0	5.9	33.8	4.1	11.9
Parcel, USPS or courier	17.5	7.8	20.2	6.0	34.4	4.2	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	S	S	S	S	S	S	S

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	38.5	–	S
Single modes	S	S	S	S	38.6	1.4	S
Truck	S	S	S	S	32.2	9.0	S
For-hire truck	49.9	12.9	S	S	49.5	12.7	39.9
Private truck	S	S	S	S	S	S	S
Rail	S	S	S	S	S	S	26.1
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	S

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	15.8	–	18.3	–	33.4	–	26.1
Single modes	16.4	3.5	18.6	0.8	35.8	4.6	S
Truck	16.8	4.4	19.5	2.7	42.3	8.7	S
For-hire truck	24.9	7.8	45.1	9.2	S	S	19.2
Private truck	22.9	8.2	27.5	9.4	S	S	S
Rail	S	S	S	S	S	S	21.1
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	34.5	–	S	S	S	S	20.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	35.3	3.2	32.4	0.5	40.7	2.4	14.0
Parcel, USPS or courier	34.4	3.0	29.2	0.3	47.6	0.6	14.1
Truck and rail	S	S	S	S	S	S	24.7
Truck and water	S	S	S	S	S	S	27.9
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	47.8	0.7	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	16.2	–	33.6	–	42.8	–	12.6
Single modes	19.5	3.4	32.6	2.8	38.9	4.6	16.7
Truck	20.1	3.7	24.9	6.2	29.3	8.0	22.3
For-hire truck	28.6	5.3	24.6	6.3	30.6	7.6	15.5
Private truck	19.8	3.7	30.7	5.2	28.0	2.2	21.7
Rail	S	S	S	S	S	S	29.5
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)	48.1	1.6	S	S	S	S	10.2
Pipeline	–	–	–	–	S	S	S
Multiple modes	15.0	3.2	21.4	1.7	28.4	4.9	14.3
Parcel, USPS or courier	14.8	3.1	15.4	1.4	29.8	4.5	14.3
Truck and rail	S	S	S	S	S	S	27.9
Truck and water	S	S	S	S	S	S	18.0
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	30.8	1.7	S	S	S	S	31.7

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	S	S	S	S	S	S	29.2
Single modes	S	S	S	S	S	S	29.1
Truck	S	S	S	S	S	S	29.2
For-hire truck	S	S	S	S	S	S	33.8
Private truck	S	S	S	S	S	S	28.6
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	31.6

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	12.1	–	14.0	–	13.9	–	27.1
Single modes	13.3	3.9	14.0	0.5	13.7	1.7	25.7
Truck	13.5	4.2	14.1	0.8	17.5	3.9	26.4
For-hire truck	20.9	6.1	20.6	6.8	24.4	6.3	15.4
Private truck	22.9	6.5	25.8	6.7	34.9	5.0	12.3
Rail	20.1	0.4	20.6	0.7	16.0	3.5	48.8
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	28.7
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	31.4	0.3	29.4	1.6	14.1
Parcel, USPS or courier	S	S	S	S	S	S	16.0
Truck and rail	46.5	0.3	40.0	0.2	44.9	1.4	21.9
Truck and water	S	S	S	S	S	S	22.9
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	33.8	0.9	41.2	0.4	42.3	0.5	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	25.7	–	28.4	–	30.5	–	19.7
Single modes	26.7	3.0	29.0	4.9	29.5	8.2	22.4
Truck	27.0	3.3	25.0	5.1	29.1	8.8	22.9
For-hire truck	36.8	6.6	29.8	7.3	30.9	9.3	18.8
Private truck	24.9	6.7	28.3	5.0	31.3	1.7	12.1
Rail	S	S	S	S	S	S	32.3
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	35.3
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	44.1
Parcel, USPS or courier	S	S	49.3	–	46.9	–	S
Truck and rail	S	S	S	S	S	S	28.4
Truck and water	S	S	S	S	S	S	31.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	38.9	5.0	39.9	7.9	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	18.4	–	15.7	–	27.3	–	40.6
Single modes	20.6	5.0	16.1	1.9	29.3	5.0	30.4
Truck	20.7	5.0	16.1	1.9	30.2	4.9	23.6
For-hire truck	30.2	6.8	21.8	5.8	33.7	5.9	34.2
Private truck	19.9	6.3	21.8	5.8	19.7	3.8	31.9
Rail	40.8	0.1	43.3	0.1	S	S	28.6
Water	S	S	S	S	S	S	29.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	29.8
Air (including truck and air)	40.2	0.1	41.5	–	39.0	–	19.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	33.6	0.3	36.1	1.8	17.0
Parcel, USPS or courier	S	S	41.3	0.1	S	S	17.3
Truck and rail	S	S	S	S	S	S	29.9
Truck and water	41.5	0.2	43.7	0.1	43.8	1.4	21.1
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	39.6	1.7	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	14.1	–	26.5	–	22.9	–	12.4
Single modes	13.1	5.2	29.4	2.5	19.2	5.8	19.6
Truck	13.7	5.2	30.2	2.9	18.8	7.4	30.3
For-hire truck	11.9	4.7	17.1	4.5	20.7	5.6	15.9
Private truck	22.4	6.1	46.4	6.6	41.0	3.8	S
Rail	S	S	S	S	S	S	28.1
Water	S	S	S	S	S	S	28.6
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	28.6
Air (including truck and air)	40.5	0.3	43.3	0.2	41.2	1.3	10.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	40.3	5.8	48.0	2.3	S	S	14.4
Parcel, USPS or courier	38.0	5.4	38.4	1.7	38.0	2.4	14.4
Truck and rail	–	–	–	–	–	–	–
Truck and water	S	S	S	S	S	S	23.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	27.0	1.3	24.6	1.0	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	23.3	–	14.6	–	19.3	–	5.5
Single modes	28.2	6.3	16.7	2.8	21.6	3.5	10.5
Truck	28.4	6.4	16.7	2.9	21.6	3.6	11.1
For-hire truck	33.2	7.3	18.1	5.4	23.2	5.1	6.2
Private truck	31.0	4.9	32.3	5.5	S	S	24.6
Rail	S	S	S	S	S	S	28.1
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)	35.9	0.3	37.5	0.1	33.7	0.1	6.1
Pipeline	–	–	–	–	S	S	S
Multiple modes	16.6	6.3	14.0	2.1	15.4	3.8	6.0
Parcel, USPS or courier	17.0	6.3	14.6	2.1	16.1	3.7	6.0
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	41.9	0.1	38.3	–	42.7	0.2	17.2
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	S	S	S	S	S	S	31.6
Other and unknown modes	30.1	2.5	40.6	2.5	46.6	1.5	30.5

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	22.2	–	24.6	–	45.4	–	28.7
Single modes	23.6	3.8	25.4	2.5	46.3	2.7	35.4
Truck	23.7	3.9	25.3	2.5	47.2	3.6	35.6
For-hire truck	37.4	6.9	49.1	8.0	31.1	9.9	40.7
Private truck	32.9	7.9	28.9	9.5	S	S	36.6
Rail	47.9	0.5	S	S	S	S	S
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	28.6
Pipeline	–	–	–	–	S	S	S
Multiple modes	48.2	3.5	34.8	–	32.5	0.9	7.9
Parcel, USPS or courier	48.9	3.5	44.0	–	45.8	0.9	7.9
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	38.3	–	38.4	0.2	18.3
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	31.3	2.1	36.7	2.5	39.7	2.7	26.0

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	23.1	–	22.5	–	30.0	–	28.6
Single modes	21.7	2.9	21.6	2.1	28.9	3.7	36.1
Truck	21.3	3.1	19.8	3.8	27.4	5.6	38.0
For-hire truck	22.6	2.0	18.5	3.8	31.5	4.9	26.5
Private truck	22.7	3.4	22.3	3.4	24.4	3.0	S
Rail	48.4	0.6	S	S	S	S	30.8
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)	36.9	0.3	S	S	S	S	18.3
Pipeline	S	S	S	S	S	S	S
Multiple modes	43.9	1.4	S	S	S	S	27.4
Parcel, USPS or courier	47.0	1.5	S	S	49.6	0.6	27.5
Truck and rail	S	S	S	S	S	S	28.0
Truck and water	S	S	44.6	–	45.2	0.4	23.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	45.7	1.6	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	11.3	–	16.4	–	21.4	–	14.4
Single modes	14.0	4.8	16.9	1.8	23.3	6.5	21.4
Truck	14.9	5.2	17.4	4.0	27.5	8.4	23.5
For-hire truck	19.6	5.4	16.4	4.4	28.6	7.5	15.0
Private truck	19.6	5.2	24.7	5.7	36.3	5.4	36.6
Rail	35.5	2.3	44.2	4.2	40.9	7.8	29.7
Water	S	S	S	S	S	S	27.9
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	27.9
Air (including truck and air)	44.4	0.5	S	S	S	S	19.7
Pipeline	S	S	S	S	S	S	S
Multiple modes	21.5	4.8	28.9	0.6	41.3	1.8	15.8
Parcel, USPS or courier	21.5	4.8	21.8	0.6	29.3	1.8	15.8
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	S	S	S	S	21.1
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	28.3	0.9	28.3	1.5	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	18.2	–	19.3	–	33.3	–	21.6
Single modes	15.2	2.9	18.9	2.4	33.9	4.6	37.7
Truck	14.5	3.5	19.1	2.8	32.2	4.5	39.6
For-hire truck	23.2	4.7	19.9	7.1	33.4	4.8	17.2
Private truck	17.2	5.8	29.3	7.8	34.6	4.5	S
Rail	S	S	S	S	S	S	S
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	8.8
Pipeline	S	S	S	S	S	S	S
Multiple modes	32.9	2.2	38.4	2.2	43.9	4.8	11.2
Parcel, USPS or courier	31.3	2.0	38.5	2.1	40.9	4.4	11.2
Truck and rail	S	S	S	S	S	S	27.9
Truck and water	S	S	S	S	S	S	23.6
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	40.7	1.0	39.6	0.8	44.4	0.6	48.1

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	11.9	–	24.5	–	10.7	–	12.5
Single modes	18.3	4.6	28.1	4.6	14.3	5.0	35.8
Truck	21.7	4.9	28.9	5.0	14.7	4.9	37.2
For-hire truck	29.9	5.0	21.3	5.4	16.1	4.4	13.3
Private truck	17.4	2.4	45.5	8.2	35.6	2.9	S
Rail	48.8	0.3	S	S	S	S	26.4
Water	S	S	S	S	S	S	31.9
Shallow draft	S	S	S	S	S	S	31.6
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	31.7
Air (including truck and air)	29.1	3.4	28.5	0.6	34.3	2.2	5.1
Pipeline	–	–	–	–	S	S	S
Multiple modes	15.1	4.8	23.1	4.1	23.8	4.5	8.2
Parcel, USPS or courier	15.1	4.7	23.6	4.0	24.6	4.4	8.2
Truck and rail	S	S	S	S	S	S	30.6
Truck and water	S	S	S	S	S	S	21.2
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	25.8	1.0	37.5	1.8	30.1	1.6	26.7

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	32.1	–	S	S	23.6	–	24.0
Single modes	46.8	9.7	S	S	26.2	5.4	30.0
Truck	48.0	9.8	S	S	26.8	5.5	S
For-hire truck	18.7	7.0	25.7	9.4	32.8	10.5	17.4
Private truck	S	S	S	S	32.1	8.7	46.2
Rail	S	S	S	S	S	S	31.6
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	48.8	0.2	S	S	14.5
Pipeline	–	–	–	–	S	S	S
Multiple modes	23.8	4.8	25.6	1.4	26.7	2.6	14.4
Parcel, USPS or courier	23.6	4.7	25.8	1.3	20.7	1.3	14.4
Truck and rail	S	S	S	S	S	S	31.6
Truck and water	S	S	S	S	S	S	27.9
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	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	16.8	–	39.9	–	49.1	–	10.4
Single modes	24.4	8.4	47.8	10.0	S	S	12.4
Truck	30.6	6.1	50.0	10.5	S	S	18.3
For-hire truck	38.9	5.7	S	S	S	S	15.8
Private truck	43.6	4.4	S	S	S	S	31.1
Rail	–	–	–	–	–	–	–
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	29.0	5.6	31.8	3.5	36.8	6.5	7.7
Pipeline	S	S	S	S	S	S	S
Multiple modes	29.7	7.9	34.1	11.7	45.0	10.6	14.5
Parcel, USPS or courier	29.7	7.9	34.1	11.7	45.0	10.6	14.5
Truck and rail	–	–	–	–	–	–	–
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	S	S	S	S	30.4

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	19.4	–	34.7	–	18.3	–	16.8
Single modes	18.6	7.6	40.9	11.4	24.5	9.0	13.1
Truck	24.1	8.7	42.8	12.9	30.3	10.8	17.2
For-hire truck	30.0	8.5	49.4	13.3	31.0	11.1	14.5
Private truck	34.4	1.1	S	S	S	S	42.3
Rail	–	–	–	–	–	–	–
Water	S	S	S	S	S	S	31.6
Shallow draft	S	S	S	S	S	S	31.6
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	31.6
Air (including truck and air)	35.7	3.6	40.3	3.2	42.6	5.5	8.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	27.9	8.1	28.0	11.0	24.9	9.2	27.4
Parcel, USPS or courier	27.9	8.1	28.4	11.0	25.3	9.3	27.4
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	27.0	0.8	41.8	1.2	S	S	26.3

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	28.9	–	30.2	–	24.2	–	37.0
Single modes	30.9	5.8	31.3	1.7	22.1	5.2	35.9
Truck	31.0	6.2	31.3	2.0	22.8	5.4	36.7
For-hire truck	33.6	8.4	S	S	27.6	6.3	19.6
Private truck	31.2	7.3	35.1	8.3	34.3	4.3	32.9
Rail	S	S	S	S	S	S	28.2
Water	S	S	S	S	S	S	29.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	29.8
Air (including truck and air)	S	S	S	S	49.5	–	27.4
Pipeline	–	–	–	–	S	S	S
Multiple modes	25.0	5.5	46.4	1.6	S	S	30.4
Parcel, USPS or courier	33.7	5.6	34.7	1.6	44.4	0.8	30.9
Truck and rail	S	S	S	S	S	S	23.8
Truck and water	38.0	–	47.3	–	45.4	0.2	21.4
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	20.0	–	25.8	–	35.5	–	9.8
Single modes	25.3	3.4	26.0	2.6	40.3	3.9	20.4
Truck	27.2	4.4	26.1	2.7	40.0	4.2	25.5
For-hire truck	39.5	5.8	29.0	5.0	43.6	5.3	12.9
Private truck	23.6	4.7	40.8	6.9	46.5	2.8	17.1
Rail	S	S	S	S	S	S	25.2
Water	S	S	S	S	S	S	29.8
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	29.8
Air (including truck and air)	30.8	2.3	S	S	S	S	8.7
Pipeline	S	S	S	S	S	S	S
Multiple modes	13.7	2.5	21.2	1.1	18.0	2.3	8.1
Parcel, USPS or courier	13.7	2.5	21.5	1.1	18.0	2.3	8.1
Truck and rail	S	S	S	S	S	S	28.8
Truck and water	S	S	45.0	–	44.2	0.1	21.2
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	S	S	S	S	S	S	31.6
Other and unknown modes	26.4	1.7	S	S	39.8	2.6	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	23.0	–	35.5	–	33.3	–	S
Single modes	23.1	3.9	35.7	2.3	38.0	10.5	S
Truck	27.3	10.5	35.8	8.3	40.6	15.2	S
For-hire truck	30.3	9.7	S	S	48.3	15.3	S
Private truck	35.4	10.3	S	S	S	S	S
Rail	S	S	S	S	S	S	31.8
Water	S	S	S	S	S	S	36.0
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	36.0
Air (including truck and air)	S	S	S	S	S	S	26.0
Pipeline	–	–	–	–	S	S	S
Multiple modes	S	S	S	S	S	S	24.0
Parcel, USPS or courier	–	–	–	–	–	–	–
Truck and rail	S	S	S	S	S	S	24.0
Truck and water	–	–	–	–	–	–	–
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	S	S	47.3	0.4	S	S	S

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	13.9	–	14.2	–	17.0	–	22.8
Single modes	14.8	1.9	14.2	0.6	18.7	2.8	33.0
Truck	14.7	2.1	14.3	1.2	12.1	5.1	38.1
For-hire truck	23.2	3.9	10.4	2.0	23.7	6.4	18.9
Private truck	17.0	4.6	17.0	2.6	14.0	6.2	S
Rail	S	S	S	S	S	S	29.8
Water	S	S	S	S	S	S	S
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	S	S	S	S	S	S	S
Air (including truck and air)	S	S	S	S	S	S	20.6
Pipeline	S	S	S	S	S	S	S
Multiple modes	23.6	1.1	19.6	0.3	24.1	2.5	24.5
Parcel, USPS or courier	26.0	1.0	21.5	0.2	27.5	0.5	24.5
Truck and rail	S	S	S	S	S	S	25.8
Truck and water	28.8	0.1	27.9	0.1	30.5	2.0	11.1
Rail and water	–	–	–	–	–	–	–
Other Multiple modes	–	–	–	–	–	–	–
Other and unknown modes	37.8	1.0	41.6	0.4	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	42.4	–	40.9	–	34.3	–	17.4
Single modes	24.4	10.4	41.9	7.1	37.5	11.1	25.8
Truck	25.3	9.2	23.0	12.6	39.9	10.5	47.6
For-hire truck	46.8	3.5	25.6	8.8	46.0	9.5	21.2
Private truck	31.3	10.9	31.4	10.4	S	S	S
Rail	S	S	S	S	S	S	44.4
Water	–	–	–	–	–	–	–
Shallow draft	–	–	–	–	–	–	–
Great Lakes	–	–	–	–	–	–	–
Deep draft	–	–	–	–	–	–	–
Air (including truck and air)	S	S	S	S	S	S	24.2
Pipeline	S	S	S	S	S	S	S
Multiple modes	S	S	49.4	1.0	S	S	20.9
Parcel, USPS or courier	S	S	31.7	0.5	41.6	4.7	20.9
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

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.