Low-Cost Strategies to Reduce Speed and Crashes on Curves

Project status

Completed

Start date: 11/01/08
End date: 03/31/11

Researcher(s)

Principal investigators:

Co-principal investigators:

Student researcher:

  • Huishan Duan

About the research

The main goal of this research is to evaluate the effectiveness of dynamic speed feedback signs and other low-cost strategies to reduce speeds and crashes on curves. Research results will provide traffic safety and county engineers and other professionals with additional tools to more effectively manage speeds and decrease crashes on horizontal curves on rural roadways.

Publications

Reports:

Related publications:

Sponsor(s)/partner(s)

Sponsor(s):

  • Federal Highway Administration
  • Iowa Department of Transportation
  • Iowa Highway Research Board
  • Midwest Transportation Consortium
  • Minnesota Department of Transportation
  • U.S. DOT RITA
Supplementary retroreflective material on chevron
Supplementary retroreflective material on chevron posts were one treatment evaluated