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Proceedings Paper

Hidden Cameras To Detect Wrong Way Driving On Freeway Ramps
Author(s): Richard P. Weaver
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Paper Abstract

This paper discusses the need and de-velopment of equipment to detect wrong way entries into freeway off ramps. The major steps covered are: * History of development * Design and application of camera * Results of information gathered A description of the logic used in construction of the camera is also discussed.

Paper Details

Date Published: 1 May 1972
PDF: 6 pages
Proc. SPIE 0030, Photo-Optical Instrumentation: A Tool for Solving Traffic and Highway Engineering Problems, (1 May 1972); doi: 10.1117/12.953563
Show Author Affiliations
Richard P. Weaver, California Department of Public Works (United States)


Published in SPIE Proceedings Vol. 0030:
Photo-Optical Instrumentation: A Tool for Solving Traffic and Highway Engineering Problems
William T. Baker; Harry W. Case; Slade Hulbert, Editor(s)

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