Drivers heading north on Interstate 405 toward downtown Bellevue should take alternate routes this weekend. Traffic will be reduced to one lane between 112th Avenue Southeast and Northeast Sixth Street as crews install sections of quieter pavement.
While motorists on northbound I-405 could face delays of up to one hour if they don't take alternate routes, the impact on most city streets is not expected to be significant and Bellevue will be open for business as usual.
Lane closures will start at approximately 3 a.m. Saturday, Aug. 15, and run until 5 a.m. Monday, Aug. 17.
The asphalt must be applied when it's warm and dry, so paving work will depend on the weather. Cool or wet weather will mean the work needs to be rescheduled.
During the closure crews will repave the northbound roadway, including several test sections of quieter pavement, the third and final of such tests at locations across the region. The paving work is part of WSDOT's I-405, South Bellevue Widening Project, which is designed to reduce congestion on one of the area's worst chokepoints.
In addition to lane closures on the I-405 mainline, several ramp closures will be needed. On Saturday, the northbound HOV exit ramp to Northeast Sixth Street will be closed. On Sunday, ramp closures include: the northbound on-ramp from Coal Creek Parkway to I-405, the northbound ramps from I-405 to eastbound and westbound I-90, and the northbound off-ramp to Southeast Eighth Street and 116th Avenue Southeast. Signed detours will be in place.
Specific streets and intersections in Bellevue likely to see higher traffic volumes over the weekend include: 118th Avenue Southeast from Coal Creek Parkway to Southeast Eighth Street; Factoria Blvd.; 148th Avenue Southeast; Southeast Eighth Street interchange at I-405; and the Northeast Eighth Street interchange at I-405.
Bellevue has worked closely with WSDOT on a traffic management plan to minimize delays. The city will monitor traffic at major intersections, adjust traffic signal timing to help push vehicles through busy intersections, and have police officers on duty at key intersections to help keep traffic flowing.
WSDOT offers more information on the quieter pavement work. Choose Your Way Bellevue offers a range of travel options in Bellevue.
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