Traffic signal systems, 2011.

Bibliographic Details
Corporate Author:	National Research Council (U.S.). Transportation Research Board
Format:	Book
Language:	English
Published:	Washington, D.C. : Transportation Research Board, 2011.
Series:	Transportation research record ; 2259.
Subjects:	Traffic signs and signals. Electronic traffic controls.
Online Access:	Free access for TRB sponsors only Publisher's summary TRR home page