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Minnesota Horizontal Curve Safety Improvement
Minnesota Guidestar
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Project Completion

September 2012


Project Team


Project Documents

Minnesota Horizontal Curve Safety Improvement

Project Description

One low-cost technology that may help drivers select an appropriate speed when approaching a horizontal curve is the dynamic curve warning sign. A DCWS generally consists of a warning sign combined with a speed measuring device (e.g., radar) that activates a variable message (e.g., slow down) when vehicles are traveling above a set threshold. This project evaluated the speed impacts of three DCWSs installed in two Minnesota counties. This project was proposed as a supplement and expansion of an ongoing Federal Highway Administration (FHWA) national DCWS field study.


Lessons Learned

The project has been completed. The following lessons may be learned upon its completion:




Next Steps

Some potential next steps related to the subject of this project may include the following: