MONROE — Highway 203 will close for four days as contractors build a new roundabout at the intersection with High Rock Road and 203rd Street SE.
The closure between Tualco Road and Northeast Woodinville-Duvall Road will begin at 8 p.m. Friday and reopen at 4 a.m. Wednesday, June 26. Local traffic will be allowed up to the roundabout construction, but the intersection itself is closed to all.
Detours will take southbound passenger cars to Tualco Road to High Bridge Road and then W Snoqualmie Valley Road NE to get into Duvall from Monroe. Northbound traffic will take the same route.
Freight traffic going north, meanwhile, will be asked to use NE Woodinville-Duvall Road to get to Highway 522, which goes to Monroe. Southbound freight traffic will be asked to take the same route.
About 12,000 vehicles travel along Highway 203 at High Rock Road every day.
“The new roundabout will slow vehicle speeds near the intersection, calm traffic and reduce the number of potential conflict points drivers face, making for easier decisions,” the state Department of Transportation writes in its project description. “It also will include two center islands that large trucks can drive over, making it easier for them to navigate.”
The project cost is $2.81 million.
Other construction work in the area is on the docket, as well. Snohomish County is closing one lane on nearby High Bridge Road from 9 a.m. to 3 p.m. Monday to Wednesday. Ground settling has caused an issue with a nearby fire hydrant that workers will fix during the closure.
Jordan Hansen: 425-339-3046; jordan.hansen@heraldnet.com; Twitter: @jordyhansen.
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