County Line Road Transportation Corridor Improvement Project

Project Documents:

Project Exhibit (PDF) 

Contract Agreement with Roadway Engineering and Construction (PDF)

Notice of Award to Roadway Engineering and Construction - Awarded by City Council February 7, 2022 (PDF)

Project Specifications (PDF)

Project Maps (PDF)

Project Website link 

Detour Routes and Closures (PDF)

Plans available on request at

Contact Information:

Project related questions should be directed to Construction Manager Terry Renner at

Project Inspector Brian McDuffie can be reached at 

Roundabouts Explained:

For an informational video about the benefits of roundabouts, watch the following video prepared by the U.S. Department of Transportation Federal Highway Administration:

Modern Roundabouts - A Safer Choice

The following is an instructional video about roundabouts prepared by the Washington State Department of Transportation:

Rules of the Roundabout