Rural Curve Warning Sign Installation Project

Updated and enhanced curve warning signs will be installed on 18 rural county arterial and collector roads over 36 miles.


Project out to bid for construction.

Updated: March 16, 2022

These safety improvements are expected to provide:

  • 20–35% reduction in fatal and serious injury-causing crashes from adding curve warning signs 

The traffic safety team has assessed and determined proper curve advisory speeds to post along each road segment where curve warning signs will be installed along the following roads: 

  • 232nd Drive
  • Baker Road
  • Beavercreek Road
  • Borland Road
  • Elk Road
  • Feyrer Park Road
  • Grahams Ferry Road
  • Hayden Road
  • Knights Bridge Road
  • Ladd Hill Road
  • Leland Road
  • Lone Elder Road
  • Macksburg Road
  • Molalla Avenue
  • Rosemount Road
  • Tooze Road
  • Wilsonville Road

For more information on curve warning signs, read the ODOT Fact Sheet on Updated Curve Warning Signs


To provide a safer roadway for all users and to reduce crashes.


The county began the design phase in February 2020. Installation of safety signs to start May 2022. The project is expected to be complete by Dec. 2022.

Traffic impacts

Minor and intermittent lane closures for sign installation may be needed at some locations.

Current activities

  • Project out to bid for construction.


  • Project estimate $250,000.
  • Funding is provided from the  County Road Fund and HB 2017 Funds. 


150 Beavercreek Road Room #325 Oregon City, OR 97045

Office Hours:

Monday to Thursday
8 a.m. to 4 p.m.

Available by phone/email
8 a.m. to 3 p.m.

Related Events
Transportation Engineering
Transportation Engineering
Related News
Transportation and Development, Transportation Engineering, Transportation Maintenance
Transportation and Development, Damascus Roads, Transportation Engineering