In Hennepin County, MN, a public survey reported nearly 80 percent of respondents had improved awareness of approaching traffic after the installation of the intersection warning system.

Hennepin County,Minnesota,United States

Summary Information

The Intelligent Transportation Systems (ITS) Section of the Minnesota Department of Transportation (Mn/DOT) Office of Traffic, Safety and Technology (OTST) performs research, demonstrations, and operational tests of ITS transportation solutions. The annual report of the Mn/DOT OTST ITS Section’s funded activities for fiscal year July 1, 2008 through June 30, 2009 presents:
  • Technology Development Projects that develop innovative solutions to present day-to-day problems.
  • Operational Tests and Demonstrations that test the functionality, benefits, and costs of new or emerging technologies in real-world environments.
  • Technology Deployment Projects that place technology solutions in the hands of travelers and transportation professionals, to benefit users on a daily basis.

A six month operational field test of an Intersection Warning System developed at the intersection of CSAH 47 and Lawndale Lane in Hennepin County, Minnesota was completed in June 2009. The purpose of this project was to provide active, real-time supplemental warning to drivers approaching an intersection and alert them to look for oncoming traffic.


An independent evaluation of this project reported very positive feedback from the general public through a survey process.

  • 94.2 percent were aware of the sign
  • 88.5 percent understood the meaning of the sign
  • 79.4 percent had improved awareness of approaching traffic
  • 65.2 percent are more likely to stop when sign is flashing
  • 50 percent of survey respondents indicated they pay more attention when the sign is flashing

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2009 ITS Annual Report Minnesota Department of Transportation Office of Traffic, Safety and Technology ITS Section

Published By: Minnesota DOT

Source Date: 2010



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Goal Areas


Typical Deployment Locations

Rural Areas


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Benefit ID: 2011-00749