Purposes of vehicle trips and travel.
|Other Authors:||Roskin, Mark E.|
Washington : U.S. Federal Highway Administration : 1980.
> Trip purpose.
Prepared by Mark E. Roskin ; COMSIS Corporation.
Sponsored by U.S. Federal Highway Administration Highway Statistics Division ; DTFH61-80-C-00047.
"Office of Highway Planning"--Cover.
Distributed by NTIS.
viii, 108 p. :
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- Full view (original from Northwestern University)