Project Details
PROJECT NUMBER
22-804
START DATE
06/15/22
END DATE
01/31/25
SPONSORS
Iowa Department of Transportation
Researchers
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.