Comments: Traffic control for freeway maintenance.

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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] : Highway Research Board, 1969.
Series:	Harvard Graduate School of Design--Frances Loeb Library digitization project. Synthesis of highway practice ; 1. Publication (National Research Council (U.S.)) ; no. 1743.
Subjects:	Roads > Maintenance and repair > Safety measures. Traffic signs and signals.
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