Abstract
The purpose of this investigation was to develop a comprehensive traffic signal and flasher maintenance program that was both economical and practical for a typical maintenance district in a state highway department. All phases of the emergency and preventive maintenance operations were analyzed to determine the best maintenance program. The optimum lamp replacement, involving the determination of the proper time Intervals for scheduling group lamp replacements and the most economic lamp life, was ascertained. The shortest routes for preventive maintenance operations were determined for several maintenance alternatives, and by comparing the anticipated annual costs, the most economic option was revealed. The staff necessary for effective traffic signal and flasher operation was ascertained for the maintenance activities performed by state personnel. A scientific maintenance program enables the traffic engineer to discharge his principal assignment of providing safe, efficient, and economic travel by insuring that the traffic signals and flashers are dependable and operating in accordance with the predetermined schedules. The investment in traffic control devices is protected by eliminating the deterioration of equipment and the resulting costly failures caused by a policy of neglect. Traffic signals that are clean, well painted, and in proper working condition provide the traffic engineering profession with a medium for establishing good public acceptance.
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Published on 01/01/1966
Volume 1966, 1966
DOI: 10.5703/1288284313706
Licence: CC BY-NC-SA license
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