Motorists in Port Jefferson face midday and nighttime lane closures as the state begins work Tuesday on the resurfacing of Route 25A/Main Street, officials said.

The work, between East Broadway and Hallock Avenue, will be done during the week from 10 a.m. to 3 p.m. and 10 p.m. to 6 a.m., the state Department of Transportation said.

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Officials said they would try to keep one lane open in each direction during the work, but it might be necessary to reduce that to a single lane at times, and alternating traffic.

There could be brief closings of all lanes as construction equipment is moved along the 1.4-mile stretch of the repaving project.