Traffic control for freeway maintenance.

Bibliographic Details
Corporate Authors:	National Research Council (U.S.). Highway Research Board, American Association of State Highway Officials, United States. Bureau of Public Roads
Format:	Book
Language:	English
Published:	[Washington], [publisher not identified] ; 1969.
Series:	Publication (National Research Council (U.S.)) ; no. 1743. Synthesis of highway practice ; 1.
Subjects:	Roads > Maintenance and repair > Safety measures. Traffic signs and signals.

Description
Item Description:	"NCHRP project 20-5 FY '68." "Research sponsored by the American Association of State Highway Officials in cooperation with the Bureau of Public Roads."
Physical Description:	47 pages : illustrations ; 28 cm.
Bibliography:	Bibliography: pages 36-37.