All eastbound lanes of the Long Island Expressway between Exits 46 and 48 in Plainview will be closed from 10 p.m. to 5 a.m. weekdays beginning Wednesday to seal cracks and do other road repairs, the state Department of Transportation said.

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The agency said it just finished similar work on the westbound lanes.

The DOT has said the project, which began July 24, would take an estimated three weeks.