Motor vehicle speed, volume, weight and travel times.
Series: Its Bulletin; 303; National Research Council (U.S.). Publication; 931; Publication (National Research Council (U.S.)) ;; 931.
Publisher: National Academy of Sciences-National Research Council
Published: 1961
Place of publication: Washington
Language: eng
Number of pages: 116
Subjects: Traffic surveys.; Traffic engineering.
Notes: Includes bibliographies.