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2013 King County Construction Season


2013 is busy year for construction on roadways in King County. WSDOT, SDOT and local jurisdictions have several projects to improve safety, ease congestion and maintain infrastructure.

Get prepared:

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 City of Shoreline: Add transit lanes, turn pockets and center mediansSB I-5: Repave 220th St to 52nd Ave. Repave ramps at 236th St SW and 220th St SWI-405: Add one lane in both directions to operate as express toll lanesCity of Bothell: Realign SR 522 and add left turn lanesCity of Redmond: Repave the roadwayI-5 Express lanes: Replace signs and electrical componentsSR 520: Build new floating bridgeSB I-5: Grind one mile - Replace 31 concrete panelsSR 520 Add transit/HOV lanes, bus stops and bike pathNB I-405: Replace concrete SE 8th St to Main SSR 99: Build tunnel under downtown SeattleSR 99: Replace timber bridgeI-5/WSB/Columbian Way ramps - Replace expansion jointsNB I-5: Replace expansion joints and repave Corson/Michigan and repave ramp to Spokane StI-90/Westlake Sammamish Pkwy: Build second roundaboutCity of Renton: Add new bus lanes and sidewalksSR 518: Grind and replace 50 concrete panelsCity of Kent: Build new three-lane roadwaySR 18: Repave the highwayNB I-5: Grind three miles of pavement and replace 60 concrete panelsCity of Auburn: Add center turn lane and bike lanesSR 18: Repave the Green River BridgeCity of Auburn: Lower Z Street underneath the rail lineSR 18: Repave the highwaySR 410: Seismically retrofit the bridge