Paving and other construction will start tonight on state Highway 500, a busy route used by nearly 60,000 vehicles a day.
Highway 500 was last paved in 2002. Heavy use and freeze/thaw cycles have contributed to pavement deterioration.
Contractor crews working for the Washington State Department of Transportation will do most construction at night, although two full weekend closures will be necessary.
Here is the latest schedule. All work is weather-dependent and could be postponed:
• A single lane in both directions of Highway 500, from Northeast 39th Street to Northeast Fourth Plain Boulevard, is scheduled to close intermittently, from 8 p.m. to 8 a.m., beginning tonight and ending Friday morning, for paving and replacement of bridge expansion joints over Interstate 205.
• A full weekend closure of Highway 500 westbound, from Interstate 5 to Northeast Thurston Way, is scheduled to begin at 9 p.m. Friday and end no later than 4 a.m. Aug. 12 for paving and expansion joint replacement.
WSDOT has not publicized dates for a full weekend closure on the same section of Highway 500 eastbound. That closure is expected to begin at 10 p.m. on a Friday and end no later than 5 a.m. the following Monday.
Drivers should plan to use alternate routes during the full weekend closures and expect delays of up to 20 minutes during other construction.
Last fall, a contractor working for WSDOT removed traffic signals on Highway 500 intersections at Northeast Falk Road/42nd Avenue and Northeast Stapleton Road/54th Avenue.
Upcoming work will widen the 90-degree turns at those four ramps onto Highway 500, creating gentler turns for drivers entering the highway.
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