The Massachusetts Department of Transportation says that Exit 14B on Interstate 495 South in Plainville will be closed until Friday.

Officials say traffic trying to access Route 1 Southbound from the interstate will be detoured to Exit 14A.

Motorists will then follow detour signs to the Interstate 495 North on-ramp.

Traffic will then continue on Interstate 495 North and take the off-ramp at Exit 14B to Route 1 Southbound.

Officials say the closure is taking place as part of Plainridge Park Casino Project.

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