Table B-20 - Estimated Measures of Reliability for Shipment Characteristics by Commodity Group and Mode of Transportation for State of Origin: 2002 and 1997
Monday, July 2, 2012
Table B-20 - Estimated Measures of Reliability for Shipment Characteristics by Commodity Group and Mode of Transportation for State of Origin: 2002 and 1997
[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]
All Commodities
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 7.3 | 6.7 | 10.5 | 9.6 | 8.1 | 10.6 | 19.6 | 14.8 | 17.2 | 8.2 | 14.7 | 9.7 |
| Single modes | 8.1 | 7.5 | 11.6 | 9.3 | 8.2 | 10.6 | 19.8 | 15.8 | 18.0 | 19.9 | 9.0 | 28.7 |
| Truck | 8.2 | 7.7 | 12.1 | 9.7 | 9.6 | 11.6 | 9.5 | 26.1 | 22.4 | 15.9 | 12.5 | 26.4 |
| Rail | 25.6 | 15.4 | 25.6 | 28.4 | 23.0 | 33.4 | 30.4 | 25.6 | 26.5 | 8.0 | 10.7 | 12.7 |
| Water | – | S | S | – | S | S | – | S | S | – | 27.9 | – |
| Air (including truck and air) | 26.7 | 26.7 | 20.4 | 27.4 | S | S | 29.3 | S | S | 6.4 | 4.8 | 7.3 |
| Pipeline | S | – | S | S | – | S | S | S | S | S | S | S |
| Multiple modes | 24.6 | 15.6 | 34.7 | 24.6 | S | S | 23.3 | S | S | 5.8 | 7.4 | 6.9 |
| Parcel, USPS or courier | 24.6 | 16.8 | 36.5 | 27.2 | 14.6 | 26.0 | 27.4 | 19.7 | 24.7 | 5.8 | 7.4 | 6.9 |
| Truck and rail | S | S | S | S | S | S | S | S | S | 25.5 | 17.5 | 41.6 |
| Other multiple modes | S | S | S | S | S | S | S | S | S | 29.8 | S | S |
| Other and unknown modes | 21.4 | 17.8 | 29.9 | S | 37.2 | S | 24.2 | 27.9 | 18.8 | 34.6 | S | S |
SCTG 01-05, Agriculture products and fish
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 15.0 | 10.4 | 18.5 | 20.9 | 12.4 | 21.3 | 24.9 | 20.7 | 19.3 | 28.7 | 23.3 | 39.7 |
| Single modes | 15.0 | 10.6 | 18.8 | 21.0 | 12.5 | 21.6 | 24.9 | 21.2 | 19.7 | 28.6 | 27.7 | 47.7 |
| Truck | 15.0 | 12.0 | 20.7 | 25.4 | 14.8 | 27.8 | 16.7 | 15.9 | 23.1 | 29.6 | 28.4 | 49.9 |
| Rail | 36.9 | 21.0 | 28.2 | 37.9 | 27.5 | 36.3 | 32.9 | 28.1 | 21.7 | 11.0 | 11.6 | 13.9 |
| Water | – | S | S | – | S | S | – | S | S | – | 27.9 | – |
| Air (including truck and air) | S | S | S | S | S | S | S | S | S | 31.6 | 29.9 | 43.6 |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | S | S | S | S | S | S | S | S | S | 27.9 | 18.6 | 4.8 |
| Parcel, USPS or courier | S | S | S | S | S | S | S | S | S | 27.9 | 27.6 | 5.7 |
| Truck and rail | – | S | S | – | S | S | – | S | S | – | 20.2 | – |
| Other multiple modes | – | S | S | – | S | S | – | S | S | – | 31.6 | – |
| Other and unknown modes | 48.2 | S | S | 43.9 | S | S | 49.3 | S | S | S | S | S |
SCTG 06-09, Grains, alcohol, and tobacco products
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 17.6 | 7.1 | 12.5 | 37.1 | 14.3 | 42.2 | S | 18.0 | S | 30.8 | 18.4 | 70.3 |
| Single modes | 17.6 | 7.5 | 13.0 | 37.1 | 15.3 | 46.2 | S | 18.5 | S | 30.8 | 19.0 | 73.4 |
| Truck | 17.0 | 9.2 | 10.3 | 12.2 | 14.7 | 11.1 | 28.7 | 14.0 | 27.2 | 32.5 | 18.4 | 68.7 |
| Rail | S | 21.6 | S | S | 25.0 | S | S | 29.0 | S | 15.7 | 6.7 | 16.3 |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | – | – | – | – | – | – | – | – | – | – | – | – |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | S | S | S | S | S | S | S | S | S | 32.4 | 26.6 | 27.4 |
| Parcel, USPS or courier | S | S | S | S | S | S | S | S | S | 31.6 | 29.8 | 26.7 |
| Truck and rail | S | S | S | S | S | S | S | S | S | 31.6 | 30.0 | 59.0 |
| Other multiple modes | – | – | – | – | – | – | – | – | – | – | – | – |
| Other and unknown modes | S | 46.1 | S | S | 49.2 | S | S | S | S | 30.2 | S | S |
SCTG 10-14, Stones, non-metallic minerals, and metallic ores
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 16.2 | 26.0 | 20.7 | 23.8 | 22.4 | 31.1 | 29.3 | 31.5 | 34.4 | S | 30.9 | S |
| Single modes | 16.3 | 26.1 | 21.1 | 24.6 | 19.9 | 30.6 | 30.4 | 32.4 | 35.3 | 41.6 | S | S |
| Truck | 16.3 | 26.9 | 22.3 | 24.6 | 20.9 | 32.5 | 30.4 | 32.4 | 37.8 | 41.6 | S | S |
| Rail | – | S | S | – | S | S | – | S | S | – | S | S |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | – | S | S | – | S | S | – | S | S | – | 31.6 | – |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | S | S | S | S | S | S | S | S | S | 29.9 | 30.2 | 47.6 |
| Parcel, USPS or courier | S | S | S | S | S | S | S | S | S | 29.9 | 30.2 | 47.6 |
| Truck and rail | – | – | – | – | – | – | – | – | – | – | – | – |
| Other multiple modes | – | – | – | – | – | – | – | – | – | – | – | – |
| Other and unknown modes | S | S | S | S | S | S | S | S | S | S | S | S |
SCTG 15-19, Coal and petroleum products
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 38.1 | 21.2 | 39.0 | 48.6 | 22.2 | 42.0 | 49.6 | 49.8 | 39.7 | 39.5 | 33.1 | 85.3 |
| Single modes | 38.2 | 22.4 | 40.4 | 48.7 | 23.2 | 43.3 | 49.7 | S | S | 40.3 | 29.3 | 68.2 |
| Truck | 38.2 | 22.4 | 40.4 | 48.7 | 23.2 | 43.3 | S | S | S | 40.6 | 29.3 | 68.4 |
| Rail | – | – | – | – | – | – | – | – | – | – | – | – |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | S | S | S | S | S | S | S | S | S | 31.6 | 31.6 | 109.7 |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | S | S | S | S | S | S | S | S | S | 39.5 | 31.6 | 28.0 |
| Parcel, USPS or courier | S | S | S | S | S | S | S | S | S | 39.5 | 30.6 | 22.7 |
| Truck and rail | – | – | – | – | – | – | – | – | – | – | – | – |
| Other multiple modes | – | S | S | – | S | S | – | S | S | – | 31.6 | – |
| Other and unknown modes | S | S | S | S | S | S | S | S | S | 34.8 | 38.8 | 20.9 |
SCTG 20-24, Pharmaceutical and chemical products
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 18.8 | 17.2 | 47.0 | 28.1 | 42.5 | 73.9 | 36.0 | 19.5 | 62.9 | 13.6 | 19.7 | 11.3 |
| Single modes | 24.7 | 21.5 | 43.5 | 28.3 | 44.5 | 78.5 | 36.3 | 21.6 | 70.5 | 28.4 | 21.8 | 58.0 |
| Truck | 24.9 | 21.8 | 44.6 | 28.0 | 46.9 | 84.8 | 38.0 | 15.4 | 101.8 | 27.8 | 21.9 | 58.2 |
| Rail | S | 36.5 | S | S | 36.5 | S | S | 43.8 | S | 48.5 | 18.7 | 38.4 |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | S | S | S | S | S | S | S | S | S | 28.0 | 22.6 | 40.5 |
| Pipeline | S | – | S | S | – | S | S | S | S | S | S | S |
| Multiple modes | 39.9 | 24.7 | 220.9 | 20.1 | S | S | 20.4 | S | S | 14.4 | 15.2 | 12.4 |
| Parcel, USPS or courier | 39.9 | 19.4 | 230.7 | 20.1 | 14.8 | 33.4 | 20.4 | 10.8 | 32.6 | 14.4 | 15.2 | 12.4 |
| Truck and rail | – | S | S | – | S | S | – | S | S | – | 29.9 | – |
| Other multiple modes | – | – | – | – | – | – | – | – | – | – | – | – |
| Other and unknown modes | 34.2 | S | S | S | S | S | S | S | S | 29.5 | 26.6 | 37.1 |
SCTG 25-30, Logs, wood products, and textile and leather
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 26.6 | 35.9 | 26.9 | 22.9 | 31.2 | 33.7 | 44.7 | 31.4 | 114.5 | 18.3 | 13.6 | 16.9 |
| Single modes | 32.2 | 50.0 | 41.5 | 24.7 | 26.5 | 34.6 | 47.9 | 32.4 | 135.3 | 22.0 | 19.5 | 89.6 |
| Truck | 32.5 | S | S | 24.7 | 26.5 | 34.6 | 47.9 | 32.4 | 135.8 | 21.1 | 20.8 | 128.0 |
| Rail | S | – | S | S | – | S | S | – | S | 31.6 | – | – |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | S | 29.0 | S | S | 33.8 | S | S | 33.5 | S | 21.7 | 11.9 | 29.9 |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | 28.8 | 39.2 | 13.9 | 25.6 | 24.6 | 10.3 | 22.6 | 25.8 | 8.9 | 12.0 | 8.6 | 14.0 |
| Parcel, USPS or courier | 28.8 | 39.2 | 13.9 | 25.7 | 24.6 | 10.3 | 22.8 | 25.8 | 8.9 | 12.0 | 8.6 | 14.0 |
| Truck and rail | – | – | – | – | – | – | – | – | – | – | – | – |
| Other multiple modes | S | – | S | S | – | S | S | – | S | 31.6 | – | – |
| Other and unknown modes | 34.6 | S | S | 38.6 | S | S | S | S | S | S | S | S |
SCTG 31-34, Base metal and machinery
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 12.1 | 15.6 | 23.7 | 24.5 | 48.1 | 20.4 | 24.4 | S | S | 23.3 | 17.0 | 11.5 |
| Single modes | 13.0 | 13.7 | 23.7 | 25.4 | 48.6 | 20.4 | 24.4 | S | S | 35.7 | 15.6 | 23.6 |
| Truck | 13.0 | 13.4 | 23.8 | 23.9 | 48.8 | 18.8 | 23.2 | S | S | 33.8 | 16.0 | 22.6 |
| Rail | 38.8 | 32.9 | 41.1 | S | 48.8 | S | S | S | S | 32.2 | 26.6 | 27.2 |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | S | 43.9 | S | S | S | S | 37.0 | S | S | 16.5 | 11.8 | 23.6 |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | 21.2 | 37.5 | 17.8 | 20.5 | 24.4 | 18.0 | 27.9 | 26.0 | 18.9 | 20.4 | 12.4 | 14.5 |
| Parcel, USPS or courier | 21.3 | 37.8 | 17.5 | 20.5 | 25.1 | 16.5 | 28.8 | 28.2 | 19.6 | 20.4 | 12.4 | 14.5 |
| Truck and rail | S | S | S | S | S | S | S | S | S | 28.8 | 31.6 | 10.1 |
| Other multiple modes | – | S | S | – | S | S | – | S | S | – | 31.6 | – |
| Other and unknown modes | 27.5 | 23.5 | 105.6 | S | 38.0 | S | S | S | S | 26.9 | S | S |
SCTG 35-38, Electronic, motorized vehicles, and precision instruments
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 11.2 | 11.1 | 21.0 | 13.2 | 8.5 | 21.7 | 21.6 | 6.8 | 28.4 | 13.3 | 13.1 | 14.1 |
| Single modes | 15.4 | 10.1 | 31.8 | 14.4 | 10.2 | 26.6 | 20.1 | 6.1 | 27.5 | 24.9 | 29.0 | 65.2 |
| Truck | 15.7 | 9.3 | 33.6 | 14.4 | 10.2 | 26.7 | 20.3 | 5.9 | 28.0 | S | 34.7 | S |
| Rail | S | S | S | S | S | S | S | S | S | 27.9 | 31.6 | 56.9 |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | 33.9 | 35.0 | 30.0 | 27.9 | 34.1 | 17.1 | 25.4 | 33.7 | 13.9 | 8.6 | 5.9 | 9.5 |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | 16.3 | 24.5 | 21.2 | 28.9 | 15.8 | 35.3 | 49.4 | 22.2 | 83.6 | 11.1 | 6.9 | 8.8 |
| Parcel, USPS or courier | 19.4 | 25.0 | 21.0 | 28.2 | 16.0 | 23.7 | 35.3 | 17.7 | 26.6 | 11.0 | 6.9 | 8.7 |
| Truck and rail | S | S | S | S | S | S | S | S | S | 29.8 | 31.6 | 41.2 |
| Other multiple modes | S | – | S | S | – | S | S | – | S | 31.6 | – | – |
| Other and unknown modes | 33.4 | 31.9 | 36.0 | 34.9 | S | S | S | S | S | 47.5 | 33.6 | 20.4 |
SCTG 39-43, Furniture, mixed freight and misc manufactured products
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | 14.2 | 13.5 | 16.1 | S | 17.9 | S | S | 19.7 | S | 12.4 | 15.0 | 14.7 |
| Single modes | 19.2 | 18.0 | 21.7 | S | 18.2 | S | S | 20.5 | S | 14.7 | 20.8 | 22.8 |
| Truck | 19.2 | 18.4 | 22.1 | 43.3 | 19.1 | 38.6 | S | 19.9 | S | 15.3 | 24.2 | 35.1 |
| Rail | S | 36.1 | S | S | 35.5 | S | S | 36.3 | S | 28.9 | 25.4 | 75.4 |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | S | S | S | S | 46.2 | S | S | 47.8 | S | 28.0 | 17.8 | 20.7 |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | 29.3 | 43.5 | 35.3 | S | 34.2 | S | S | 35.5 | S | 9.1 | 7.9 | 10.6 |
| Parcel, USPS or courier | 29.3 | 43.5 | 35.3 | S | 34.2 | S | S | 35.5 | S | 9.1 | 7.9 | 10.6 |
| Truck and rail | – | – | – | – | – | – | – | – | – | – | – | – |
| Other multiple modes | – | – | – | – | – | – | – | – | – | – | – | – |
| Other and unknown modes | 48.6 | 32.8 | 141.9 | 34.2 | 36.4 | 75.1 | S | S | S | 42.6 | S | S |
Commodity Unknown
| Mode of transportation | Value | Tons | Ton-miles | Average miles per shipment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | CV 2002 |
CV 1997 |
Std. error of percent change 1997-2002 | |
| All modes | S | 33.1 | S | S | S | S | S | 46.8 | S | S | 28.3 | S |
| Single modes | S | 33.7 | S | S | S | S | S | 46.9 | S | S | 26.6 | S |
| Truck | S | 34.7 | S | S | S | S | S | 48.3 | S | S | 28.2 | S |
| Rail | – | – | – | – | – | – | – | – | – | – | – | – |
| Water | – | – | – | – | – | – | – | – | – | – | – | – |
| Air (including truck and air) | – | S | S | – | S | S | – | S | S | – | 29.9 | – |
| Pipeline | – | – | – | – | – | – | S | S | S | S | S | S |
| Multiple modes | S | 49.4 | S | S | 31.1 | S | S | 33.4 | S | S | 28.3 | S |
| Parcel, USPS or courier | S | 49.4 | S | S | 31.1 | S | S | 33.4 | S | 28.6 | 28.3 | 15.0 |
| Truck and rail | S | – | S | S | – | S | S | – | S | 31.6 | – | – |
| Other multiple modes | – | – | – | – | – | – | – | – | – | – | – | – |
| Other and unknown modes | S | S | S | S | S | S | 49.4 | S | S | 26.5 | 31.6 | 14.7 |
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.