SR 167 continues under a bluff along the west side of the White River Valley and crosses into King County as it passes through the suburban towns of Pacific and Algona. The highway turns north and follows a section of the Union Pacific Railroad through an industrial area along the White River in northern Sumner.

SR 167 gains a set of auxiliary lanes and enters a long curve to the north along the Puyallup River in Sumner, where it meets the west end of SR 410 near the city's train station. The four-lane freeway travels east over Milwaukee Avenue to a trumpet interchange with SR 512, where the concurrency with SR 161 ends. SR 167 crosses the Puyallup River on a pair of bridges and turns east onto a freeway, where it begins a short concurrency with SR 161, which continues north on Meridian Avenue towards Federal Way.

It then enters the city of Puyallup and traverses an auto row at the north edge of downtown before turning north onto Meridian Avenue near the commuter rail station. SR 167 travels southeast along the south bank of the Puyallup River as a four-lane undivided highway, passing through farmland and industrial areas. The interchange is fed by ramps leading to and from the Tacoma Dome area and Downtown Tacoma, with auxiliary ramps to East 28th Street and East Bay Street that connect to Portland Avenue East. SR 167 begins at an interchange with I-5 in Tacoma, adjacent to the Emerald Queen Casino and near the Puyallup Indian Tribe headquarters. After an interchange with I-405 in Renton, it terminates at an intersection with SR 900. It then turns northeast onto a freeway and passes through interchanges with SR 512 in Puyallup and SR 410 in Sumner, continuing north through Auburn and Kent. The 28-mile (45 km) highway begins in Tacoma at an interchange with Interstate 5 (I-5) and travels southeast to Puyallup as an undivided road. It is commonly known as the Valley Freeway and serves the Green River Valley from Tacoma to Renton, primarily as a four-lane freeway.

State Route 167 ( SR 167) is a state highway in the Seattle metropolitan area of Washington state.

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