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Use of graphics and symbols on dynamic message signs : technical report /

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Bibliographic Details
Main Author: Ullman, Brooke R.
Corporate Authors: United States. Federal Highway Administration, Texas. Department of Transportation, Texas Transportation Institute
Other Authors: Trout, Nada D., Dudek, Conrad L.
Format: Government Document Book
Language:English
Published: College Statiopn, Tex. : Springfield, Va. : Texas Transportation Institute, The Texas A&M University System ; Available through the National Technical Information Service, [2009]
Series:Research report (Austin, Tex.) ; 5256-1.
Subjects:
Traffic signs and signals > Testing.
Human information processing > Testing.
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