Travel mode special reports: based on data from 1990 Nationwide Personal Transportation Survey (NPTS).

Federal Highway Administration, Washington, D.C.Mode of access: Internet.Author corporate affiliation: Georgia Institute of Technology, AtlantaAuthor corporate affiliation: California University, IrvineAuthor corporate affiliation: Washington University, SeattleSubject code: GDSubject code: IJCSubject code: IJDSubject code: IJDBSubject code: NRQMSubject code: SCISubject code: SDBFSubject code: SDBF