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Guidelines on Use of Temporary Barriers in Work Zone – Phase II

Project Details
STATUS

In-Progress

PROJECT NUMBER

22-804

START DATE

06/15/22

END DATE

05/31/24

FOCUS AREAS

Safety

RESEARCH CENTERS InTrans, CTRE
SPONSORS

Iowa Department of Transportation

Researchers
Principal Investigator
Shauna Hallmark

Director, InTrans

About the research

The objective of this research is to assess when each type of barrier should be used in two-lane two-way (TLTW) work zones and to develop guidelines for their use. This includes evaluation of the safety and operational impacts as well as an assessment of the tradeoffs in terms of benefit and cost.

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