Work zone simulator analysis : driver performance and acceptance of alternate merge sign configurations.
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2016-06-01
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Edition:Final report
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Abstract:Improving work zone road safety is an issue of great interest due to the high number of crashes observed in work
zones. Departments of Transportation (DOTs) use a variety of methods to inform drivers of upcoming work zones. One method
used by DOTs is work zone signage configuration. It is necessary to evaluate the efficiency of different configurations, by law,
before implementation of new signage designs that deviate from national standards. This research presents a driving simulator
based study, funded by the Missouri Department of Transportation (MoDOT) that evaluates a driver’s response to work zone
sign configurations. This study has compared the Conventional Lane Merge (CLM) configurations against MoDOT’s alternate
configurations. Study participants within target populations, chosen to represent a range of Missouri drivers, have attempted
four work zone configurations, as part of a driving simulator experience. The test scenarios simulated both right and left work
zone lane closures for both the CLM and MoDOT alternatives. Travel time was measured against demographic characteristics
of test driver populations. Statistical data analysis was used to investigate the effectiveness of different configurations employed
in the study. The results of this study were compared to results from a previous MoDOT to compare result of field and
simulation study about MoDOT’s alternate configurations.
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