HIGHWAY FREIGHT FLOW STUDY, 1970
This study developes a file of intercity truck modal traffic flow data. Origins and destinations are coded to 63 zones within the U.S. commodity is also identified. A mailout/mailback survey was administered to a stratified random sample of common and contract carriers. Stratification based on vehicle weight. Sample size is unknown.
- ADP Storage: Magnetic tapes.
Kearney (AT) and Company, Incorporated100 South Wacker Drive
Chicago, IL United States 60606
- Publication Date: 1970
- Accession Number: 00320769
- Record Type: Publication
- Source Agency: Transportation Systems Center
- Files: TSR, USDOT
- Created Date: Oct 30 1982 12:00AM