Studies to Develop Guidelines on Work Zone Barrier Use on Freeways: Project Summary
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2020-11-30
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Alternative Title:0-7020: Studies to Develop Guidelines on Work Zone Barrier Use on Freeways
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Abstract:Based on the results of the tasks performed, the researchers developed recommended guidelines for use by work zone designers to help determine: • When temporary barriers should be used in work zones. • How to assess the trade-offs in alternative temporary barrier deployment options upon expected work zone crashes, especially when the alternatives result in different project durations and project costs. • How to assess whether to include emergency turnouts or enforcement pullout areas within a work zone, and what dimensions those areas should be if they are incorporated into the temporary traffic control plan for the project. • How to assess whether to specify that the temporary barriers that will be required in the work zone should be anchored.
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