The town’s busiest intersections are about to get busier.

Main Street from Front Street to Allen Road will be paved this summer, as will Second Avenue between Main and Union streets.

Work will include portions of curbs, gutters and sidewalks and some culvert work, as well as paving of a section of Allen Road between Main Street and Old Haines Highway, said Al Clough, southeast director for the state Department of Transportation.

The project is…