
Background on Puget Sound Gateway Program
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• Completion of State Routes 167 and 509
• Funded by the Washington State Legislature in the 2015 “Connecting
Washington” transportation funding package
• Was a central priority over several legislative sessions – for both Port of
Seattle and Port of Tacoma
• Total funding is $1.9 billion; that includes $310 million from tolls and local
contributions
• Provides direct freight links from both seaports and from Seattle-Tacoma
International Airport (Sea-Tac) to key distributions centers in the region, to
Eastern Washington, and to other states along the northern tier.
• Gives travelers accessing Sea-Tac options for approaching from the South,
by finally linking SR 509 to Interstate 5.