Washington State Route 8 west of the US 101 interchange, and is scheduled to begin this season and last 2 months. In 2010, WSDOT aims to rebuild the columns that support the SR 8/US 101 interchange and reduce the risk of failure in an earthquake, such as the 2001 Nisqually earthquake. Washington State Route 8 State Route 8 (SR 8) is a state highway in Grays Harbor and Thurston counties, of the U.S. state of Washington. It extends from U.S. Route 12 (US 12) in the city of Elma, east to an interchange with US 101 about northwest of the state capital, Olympia. SR
Washington State Route 20 to Okanogan. By 1973, SR 20 was extended over existing state highways in northern Washington, replacing portions of SR 113 and SR 525 near Port Townsend; SR 30 and SR 294 from Tonasket to Tiger; and part of SR 31 from Tiger to Newport. Although US 12 has a larger east–west extent, SR 20 is the longest highway in Washington at , only longer than US 12. The highway has been called "The Most Beautiful Mountain Highway in the State of Washington." SR 20 begins at a wye junction with US 101 at the southwest end of Discovery Bay on