Headlamp beam usage on U.S. highways.

Author(s)
Hare, C.T. & Hemion, R.H.
Year
Abstract

Headlamp beam usage by drivers at seventeen locations in the continental United States was analyzed.Observations were made at selected test sites in fifteen states.Information observed for each vehicle included: type of vehicle, number of headlamp, direction of travel, speed, initial beam usage, beam change in response to apposing vehicle, distance from opposing vehicle when beam change was accomplished, and trailing distances.

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Publication

Library number
B 27740 /91 /
Source

San Antonio, Texas, Southwest Research Institute / U.S. Department of Transportation DOT, Federal Highway Administration FHWA 1968, VI + 82 p., 7 ref.

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