Emergency vehicle warning systems

Emergency vehicle warning systems

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The subject of visual and auditory warning devices (lights and sirens) for emergency and service vehicles is surveyed from a broad perspective. The report should provide directly useful information at all levels from the selection of hardware to a general understanding of the psychophysical factors determining the effectiveness of these devices. Topics covered include: an analysis of warning signals; the present situation and the need for uniform national standards; suggested performance standards for warning light systems and for sirens, including the reasons for the principal requirements; recommendations for actions that can be taken to improve the signal effectiveness of emergency vehicles; and brief summaries of some of the physical measurements that are made on a selection of lights and sirens.THE WARNING SIGNAL PROBLEM Signal Effectiveness A number of factors make it difficult to gain the attention of motorists by means of warning lights. The increased number of vehicles on the road with each passing year is evident to everyanbsp;...

Title:Emergency vehicle warning systems
Author:Arthur I. Rubin, Gerald Leonard Howett, Center for Building Technology, Law Enforcement Standards Laboratory, National Institute of Justice (U.S.)
Publisher: - 1981


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