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Evaluation of the Television Surveillance System for the Baytown-LaPorte Tunnel
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1966-02-01
[PDF-2.56 MB]
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Abstract:It is a recognized fact that the maintenance of orderly traffic movement through a tunnel and over bridges requires some type of continual surveillance of traffic flow in order that appropriate traffic control measures can be put into effect when needed. A closed-circuit television system appears to have the flexibility of providing the necessary information to assure that the proper traffic control can be imposed and to enable an evaluation to be made of the over-all effect of the control on the entire system. With the increasing demand that automobiles are placing on tunnels as well as freeways, television appears to be a very effective tool for maintaining desired levels of service. In April of 1963 the Texas Transportation Institute initiated a cooperative research project with the Texas Highway Department and the U.S. Department of Commerce, Bureau of Public Roads, to evaluate the use of television as a surveillance system for the Baytown-LaPorte tunnel. A two-year research program was developed to study uses of the television medium. During the first year of this two-year program, most of the work was concentrated towards evaluating the then existing manual surveillance system as a basis for comparing operation with a closed-circuit television surveillance system.
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