This map depicts the Washington State SR-509 extension project, showing three construction stages: Stage 1a (at Toll Point near S 208th St), Stage 1b (along I-5 through Kent), and Stage 2 (connecting Burien via Des Moines Memorial Drive to the existing Lake to Sound Trail). The map also identifies future Sound Transit stations, Barnes Creek Wetland mitigation, the Des Moines Creek Trail, and the Lake to Sound Trail under construction near Sea-Tac Airport.Open full document
Notes
This map depicts the Washington State SR-509 extension project, showing three construction stages: Stage 1a (at Toll Point near S 208th St), Stage 1b (along I-5 through Kent), and Stage 2 (connecting Burien via Des Moines Memorial Drive to the existing Lake to Sound Trail). The map also identifies future Sound Transit stations, Barnes Creek Wetland mitigation, the Des Moines Creek Trail, and the Lake to Sound Trail under construction near Sea-Tac Airport.
