Freeway operations 7 reports ; presented at the 42nd Annual Meeting, January 7-11, 1963.

Manylion Llyfryddiaeth
Awduron Corfforaethol:	National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, National Research Council (U.S.). Highway Research Board. Dept. of Traffic and Operations. Committee on Freeway Operations, National Research Council (U.S.). Highway Research Board. Dept. of Traffic and Operations. Committee on Characteristics of Traffic Flow
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington, D.C. Highway Research Board of the Division of Engineering and Industrial Research, National Academy of Sciences-National Research Council 1963.
Cyfres:	Highway research record no. 21. Publication (National Research Council (U.S.)) 1118.
Pynciau:	Express highways. Traffic flow. Traffic engineering. Freeway operations.