Route 397 is a state highway located in the state of Washington. It runs primarily through Pasco, connecting major roads and providing access to various local destinations. The route is approximately 5 miles long and serves as an important thoroughfare for both residents and visitors. The highway begins at the intersection with U.S. Route 12 and extends northward to State Route 240. Along its path, Route 397 facilitates transportation for commercial vehicles and commuters, contributing to the economic activity in the region. It also enhances connectivity between different neighborhoods and key facilities in Franklin County.