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SR 167 Corridor


  • Thank you for your patience during the closure of SR 18 over the weekend of July 25 and 26! We would also like to thank the hardworking crews that were able to open SR 18 13 hours ahead of schedule. Check out our blog for details about the work our crews performed. Hit up our Flickr page to see our crews in action over the weekend. This work accomplished a key step in the 8th to 227th Southbound HOT Lane Project.
SR 167 Map

SR 167 corridor map

SR 167 Challenges

SR 167, also known as the Valley Freeway, is an important highway for moving people and goods in the Puget Sound. It serves as an alternative to I-5, connecting south King and north Pierce counties to the cities of Seattle and Bellevue. Today’s drivers are experiencing traffic congestion up to six hours a day, affecting commerce and commuters. The largest freight distribution center in the Puget Sound Region is located along SR 167, and housing developments continue to increase. The population of the cities along the highway nearly doubled from 1970 to 2005. By the year 2030, at least 100,000 more people will probably be living along the corridor to take advantage of less expensive housing and available land. 

How Are We Addressing the Challenges?

SR 167 improvements will provide more capacity, decrease congestion, improve safety, relieve choke points, and provide more reliable travel times for drivers. We have several efforts underway:

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