Traffic control devices.

Bibliographic Details
Corporate Author:	National Academies of Sciences, Engineering, and Medicine (U.S.) (sponsoring body.)
Format:	Book
Language:	English
Published:	Washington, D.C. : Transportation Research Board, 2015.
Series:	Transportation research record ; 2492.
Subjects:	Traffic signs and signals > Effectiveness. Highway engineering > Safety measures. Design and technology > Safety measures > Effectiveness.
Online Access:	Subscription required for online access