to $9 for non-carpool and motorcycle traffic. The southbound HOT lane ends in Pacific, while the northbound lane begins in Auburn, forming a six-lane freeway. It then passes The Outlet Collection shopping mall, served by interchanges with 15th Street Southwest and SR 18, an east–west freeway with connections to Federal Way and Covington. SR 167 travels along Mill Creek and the Interurban Trail on the western side of downtown Auburn, passing the Emerald Downs racetrack and Auburn Municipal Airport, and traverses a rural part of the Green River Valley as it enters Kent. The freeway crosses over the Green River into downtown Kent and intersects SR 516, which continues west to Highline College and Des Moines and east to Covington and Maple Valley. SR 167 turns northeast, crossing over the Interurban Trail and Union Pacific Railroad near the accesso ShoWare Center sports arena and the Maleng Regional Justice Center. The freeway continues through an industrial area on the outskirts of downtown Kent and crosses over the BNSF Railway's Seattle Subdivision before turning north to follow the east edge of the Green River Valley. SR 167 separates the Green River industrial area and the residential neighborhoods of Benson Hill and East Hill as it crosses into Renton near the Valley Medical Center at Carr Road. The freeway reaches a cloverleaf interchange with I-405, which includes a direct access ramp from the HOT lanes to the high-occupancy vehicle (HOV) lanes on I-405 heading north towards Bellevue. SR 167 continues onto a six-lane section of Rainier Avenue, which passes northeast through a commercial area with car dealerships and big-box retailers. The street bends northwest and crosses under a railroad viaduct before reaching SR 900 at Sunset Boulevard, where SR 167 terminates. The entire route of SR 167 is listed as part of the National Highway System, identifying routes that are important to the national economy, defense, and mobility, and the state's Highway of Statewide Significance program, recognizing its connection to major communities. The highway is maintained by the Washington State Department of Transportation (WSDOT), who conduct an annual survey of traffic volume that is expressed in terms of average annual daily traffic (AADT), a measure of traffic volume for any average day of the year. Average daily traffic volumes on SR 167 in 2016 ranged from a minimum of 8,400 at its southern terminus in Tacoma to a maximum of 129,000 at South