Traffic control device evaluation program: simulator evaluation of sponsored changeable message signs and in-situ evaluation of rumble strip alternatives.
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2016-07-01
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Edition:Technical report, August 2013¿August 2016
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Abstract:This report describes two research activities. One research study tested the effects of adding commercial
logos acknowledging sponsorship to Changeable Message Signs. A driving simulator study was conducted
using test signs with travel times and safety message both with and without logos, while complying with the
Texas Manuals on Uniform Traffic Control Devices guidance regarding overall message length and phase
timing. Measures of performance included eye gaze duration and last look distance as well as driving
performance measures of speed limit compliance and lane maintenance. Forty-two drivers in old and young
age groups participated in the study. Another research study evaluated various rumble strip alternatives that
have been used on various roadways in Texas. In this study, vehicles were instrumented with specialized
equipment to measure the sound and vibration of various rumble strip alternatives. The vehicles were driven
at various speeds during the testing. The primary measure of effectiveness was the change in vibration and
sound from the control condition of driving in the lane.
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