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Interstate 405 (Washington)

Interstate 405 marker

Interstate 405
Renton Freeway
Route information
Auxiliary route of I‑5
Defined by RCW 47.17.595
Maintained by WSDOT
Length: 30.30 mi (48.76 km)
Existed: 1964 – present
Major junctions
South end: I‑5 / SR 518 in Tukwila
 

SR 167 in Renton
SR 900 in Renton
I‑90 in Factoria
SR 520 in Bellevue
SR 908 in Kirkland

SR 522 in Bothell
North end: I‑5 / SR 525 in Lynnwood
Location
Counties: King, Snohomish
Highway system
SR 401 SR 409

Interstate 405 marker

SR 167 in Renton
SR 900 in Renton
I‑90 in Factoria
SR 520 in Bellevue
SR 908 in Kirkland


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