Effectiveness of safety and public service announcement messages on dynamic message signs /

Bibliographic Details
Main Author:	Boyle, Linda (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, DC : U.S. Department of Transportation, Federal Highway Administration, July 2014.
Subjects:	Traffic signs and signals > Testing. Human information processing > Testing. Electronic traffic controls > Testing. Intelligent transportation systems > Testing. Highway communications.
Online Access:	https://purl.fdlp.gov/GPO/gpo56633

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