Changeable message sign displays during non-incident, non-roadwork periods
By: consultant: Conrad L. Dudek.
Contributors: National Research Council (U.S.). Transportation Research Board.; National Cooperative Highway Research Program.; American Association of State Highway and Transportation Officials.; United States. Federal Highway Administration.
Series: NCHRP synthesis -- 383; Synthesis of highway practice -- 383.
Publisher: Transportation Research Board
Published: 2008
Place of publication: Washington, D.C
Language: eng
Number of pages: 68
ISBN-13: 9780309098137
Subjects: Electronic traffic controls; Traffic signs and signals; Variable message signs
Notes: "A synthesis of highway practice."

At head of title: National Cooperative Highway Research Program.

Includes bibliographical references (p. 50-51).

Also available online.

Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration NCHRP project 20-5, topic 38-11