Factors and trends in trip lengths.
Series: National Cooperative Highway Research Program. Report;  ;48; NAS-NRC publication 1582.; Report (National Cooperative Highway Research Program) ;; 48.; Publication (National Research Council (U.S.)) ;; no. 1582.
Publisher: Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences-National Academy of Engineering
Published: 1968
Place of publication: [Washington?]
Language: eng
Number of pages: 70
Subjects: Trip length.
Notes: Bibliography: p. 68-70.
"NCHRP project 7-4 '64 & '65 continued."
"Research sponsored by the American Association of State Highway Officials in cooperation with the Bureau of Public Roads."