Description: Traffic control devices.

Format:	Book
Language:	English
Published:	Washington, D.C. : Transportation Research Board, 2015.
Series:	Transportation research record, no. 2492
Subjects:	Traffic signs and signals. Highway engineering > Safety measures.

Physical Description:	vii, 83 p. : ill. ; 28 cm.
Bibliography:	Includes bibliographical references.
ISBN:	9780309369183
ISSN:	0361-1981 ;