FEASIBILITY STUDY OF CLOSED CIRCUIT TELEVISION FOR TRAFFIC SURVEILLANCE

As part of a continuing effort to improve safety and efficiency, a closed circuit television (CCTV) system was tested on the San Francisco-Oakland Bay Bridge. Four television cameras were installed on the upper deck of the West Bay suspension spans. These cameras provide the opportunity to monitor traffic on two miles of roadway from a central location, and to detect and dispatch help to traffic incidents. The objective of the test was to evaluate both the technical feasibility of CCTV and its effectiveness in speeding up the detection and removal of disabled vehicles. It was concluded that the closed circuit television is technically feasible and is an effective tool for traffic surveillance on the Bay Bridge. /Modified author abstract/