Washington State Route 509
State highway in Washington, US
State Route 509 (SR 509) is a 35.17-mile-long (56.60 km) state highway in the U.S. state of Washington. The highway goes from Interstate 705 in Tacoma in Pierce County to SR 99 in Seattle in King County.
SR 509 | ||||
|---|---|---|---|---|
 | ||||
| Route information | ||||
| Length | 35.17 mi[1] (56.60 km) | |||
| Existed | 1964[2]–present | |||
| Major junctions | ||||
| South end |  I-705 in Tacoma | |||
 SR 99 in Federal Way SR 516 in Des Moines SR 518 in Burien | ||||
| North end | SR 99 in Seattle | |||
| Location | ||||
| Country | United States | |||
| State | Washington | |||
| Counties | Pierce, King | |||
| Highway system | ||||
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References
change- ↑ Staff (2012). "State Highway Log: Planning Report 2012, SR 2 to SR 971" (PDF). Washington State Department of Transportation. pp. 1549–1563.
- ↑ "47.17.680: State route No. 509". Revised Code of Washington. Washington State Legislature. 1991 [1970].