Washington State Route 509
State Route 509 (SR 509) is a 35.17-mile-long (56.60 km) state highway in the U.S. state of Washington, connecting Tacoma in Pierce County to Seattle in King County. The highway travels north from Interstate 705 (I-705) in Tacoma to SR 99 south of downtown Seattle. It serves cities along the Puget Sound and west of Seattle–Tacoma International Airport in south King County, including Federal Way, Des Moines, and Burien. SR 509 is part of the National Highway System and is a limited-access highway near the Port of Tacoma and from Burien to its northern terminus in Seattle. Prior to the 1964 highway renumbering, the highway was part of Secondary State Highway 1V (SSH 1V) from Tacoma to Des Moines and SSH 1K from Des Moines to Seattle. SR 509 was re-aligned onto the Burien Freeway in 1968 and
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Washington State Route 509
State Route 509 (SR 509) is a 35.17-mile-long (56.60 km) state highway in the U.S. state of Washington, connecting Tacoma in Pierce County to Seattle in King County. The highway travels north from Interstate 705 (I-705) in Tacoma to SR 99 south of downtown Seattle. It serves cities along the Puget Sound and west of Seattle–Tacoma International Airport in south King County, including Federal Way, Des Moines, and Burien. SR 509 is part of the National Highway System and is a limited-access highway near the Port of Tacoma and from Burien to its northern terminus in Seattle. Prior to the 1964 highway renumbering, the highway was part of Secondary State Highway 1V (SSH 1V) from Tacoma to Des Moines and SSH 1K from Des Moines to Seattle. SR 509 was re-aligned onto the Burien Freeway in 1968 and
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56.60062848
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State Route 509 (SR 509) is a ...... to I-5, that remains unbuilt.
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length (μ)
5.660062848e+4
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743,339,964
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SR 509 is highlighted in red.
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North end of SR 516 overlap
North end of SR 99 overlap, south end of SR 516 overlap
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Northbound exit and southbound entrance
Northern terminus, continues as SR 99
South end of SR 99 overlap
Western terminus, interchange
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Road
Cloverdale Street / Myers Way – South Park, White Center
Des Moines Memorial Drive / South 188th Street
Marine View Drive
Port of Tacoma Road
Portland Avenue
South 112th Street / 5th Avenue South / Glendale Way South
South 128th Street
South 146th Street
South 160th Street
South 176th Street
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State Route 509 (SR 509) is a ...... he Burien Freeway in 1968 and
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Washington State Route 509
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