The Puget Sound Gateway Program, presented at a Highline Forum in September 2018, outlines two highway completion projects—SR 509 in King County and SR 167 in Pierce County—designed to improve freight movement between the ports of Seattle and Tacoma and key distribution centers. Among its key benefits, the program includes a new south access point to Sea-Tac Airport and aims to reduce congestion on local roads surrounding the airport. Funding for the program combines state, local, federal, and toll revenue sources, with electronic tolling on all new lanes expected to begin as early as 2025.Open full document
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A WSDOT presentation to the Highline Forum on September 26, 2018, providing an update on the Puget Sound Gateway Program, which includes the SR 509 Completion Project in King County and SR 167 in Pierce County. The presentation covers program benefits, funding sources including state, local, federal, and toll revenues, and details on the tolling framework for the new lanes.