Highline Forum 221116 WSDOT SR 509 Presentation

Andrey Chepel, PE, SR 509 Construction Manager November 16, 2022 SR 509 Completion Project Highline Forum • Project overview and timeline • Construction Progress – Stage 1a – Stage 1b • Stage 2 Procurement timeline • Community Engagement Agenda Puget Sound Gateway Program The Puget Sound Gateway Program is composed of two projects: the SR 167 Completion Project in Pierce County, and the SR 509 Completion Project in King County. • Essential connections to the ports of Tacoma and Seattle • Ensure people and goods move more reliably through the Puget Sound region • Enhance the state's economic competitiveness by connecting the state's largest ports to key distribution centers Delivering the projects under one program allows WSDOT to realize efficiencies in planning, environmental review, design, and construction. SR 509 Completion Project • SR 509 – Stage 1a (work performed by Sound Transit in FWLE) Open to traffic • SR 509 – Stage 1b I-5 to 24th Avenue South New Expressway Open to traffic in 2025 • SR 509 – Stage 2 24th Avenue South to South 188th Street New Expressway Open to traffic by 2029 Under construction Under construction Stage 1a • Construction activities in SeaTac • SR 99 bridge open to traffic Aug. 1, 2022 SR 99 Bridge (Sound Transit) Nov 3, 2022 • ST/WSDOT joint noise walls are complete along I-5 • 4,539 feet from S 216th Street to I-5/SR 516 interchange Noise Walls (Sound Transit) Aug 24, 2022 • Administered by King County Parks • WSDOT/Gateway contributed…
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