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For more construction photos, go to WSDOT's Flickr page.
Crews opened a new lane of westbound SR 520 between SR 202 and West Lake Sammamish Parkway on June 27, 2010.Crews also opened a newly rebuilt off-ramp to West Lake Sammamish Parkway.Crews install guardrail on the new ramp.
In late October 2009 crews rebuilt a portion of the eastbound SR 520 off-ramp to West Lake Sammamish Parkway.Rebuilding the ramp will improve safety by removing a large curve.Crews are installing bridge girders for a wider overpass on SR 520 at SR 202.The girders must be placed very precisely onto the bridge columns.The girders will accomodate a wider SR 520. This is the overpass at NE 76th Street.Multiple silt fences keep construction runoff out of the Sammamish River.A new flyover ramp from SR 202 to westbound SR 520 opened in early 2008.