State Route 167 is a major highway located in the state of Washington. It runs approximately 20 miles, connecting the cities of Auburn and Renton. This route serves as a vital link for commuters and freight traffic in the region, facilitating access to key areas such as Seattle and Tacoma. The highway features several interchanges and connects with other important routes, including Interstate 5 and Interstate 405. It is designed to accommodate a high volume of vehicles, making it an essential part of the local transportation network.