Hidden cameras to detect wrong-way driving on freeway ramps.

Author(s)
Weaver, R.P.
Year
Abstract

This paper discusses the need and development of equipment to detect wrong-way entries into freeway off ramps. The major steps covered are: 1) history of development, 2) design and application of the camera, and 3) results of information gathered. A description of the logic used in the construction of the camera is also discussed.

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Publication

Library number
B 19470 fo /73/82/
Source

Proceedings of the Society of Photo-Optical Instrumentation Engineers, Volume 30, November 1971, p. 39-44, fig., tab., ref.

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