Improved criteria for traffic signals at individual intersections /

Bibliographic Details

Corporate Author:	Planning Research Corporation
Other Authors:	Gerlough, Daniel L., Wagner, Frederick A.
Format:	Book
Language:	English
Published:	[Washington] : Highway Research Board, 1967.
Series:	Publication (National Research Council (U.S.)) ; no. 1477. Report (National Cooperative Highway Research Program) ; 32.
Subjects:	Traffic signs and signals.