Catalog Record: Changeable message sign displays during non-incident, non-roadwork periods | HathiTrust Digital Library

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Changeable message sign displays during non-incident, non-roadwork periods /
Conrad L. Dudek.

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Main Author: Dudek, Conrad L.
Language(s): English
Published: Washington, D.C. : Transportation Research Board, 2008.
Subjects: Variable message signs.
Note: "A synthesis of highway practice."
At head of title: National Cooperative Highway Research Program.
Also available online.
Physical Description: 68 p. : charts ; 28 cm.
Locate a Print Version: Find in a library

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