The state Department of Transportation is warning Snohomish County drivers of road maintenance expected to slow traffic on northbound I-5 and city streets.

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The Washington State Department of Transportation is warning Snohomish County drivers about road maintenance on northbound Interstate 5 in Everett and Marysville this weekend. WSDOT expects traffic to be sluggish on Interstate 5 and to also spill over onto city streets.

The maintenance work, dubbed #SnoCoSqueeze by the state agency, will begin as WSDOT begins its “Viadoom” closure on Seattle’s Alaskan Way Viaduct, so drivers should not expect a reprieve from jammed-up roadways south of the planned squeeze.

Work in Snohomish County will begin with lane restriping overnight Thursday on northbound I-5. WSDOT will shift northbound lanes to the right and adjust Marysville entry and exit ramps. Those changes will stay in place through at least May 10, the agency said in a news release.

Separately, about 4 miles north of the restriping work, all lanes of northbound I-5 will be shut from 1 to 3 a.m. Friday as a contractor for the Tulalip Tribes moves a large crane across the interstate.

Starting at 9:30 p.m. Friday, northbound I-5 will be reduced to two lanes as contractors begin work to replace expansion joints on the Ebey Slough Bridge. The Highway 529 onramp to I-5 will be closed. Overnight on Friday and again on Sunday, WSDOT will close all but one lane of northbound I-5.

By Monday morning, the Highway 529 onramp will be open, along with three lanes of I-5.