Crews respond to a water main break on Sunday, Dec. 15, 2019 in Lynn, Massachusetts.
Heavy traffic is expected Monday morning in Lynn, Massachusetts following a water main break that affected the Lynnway.
Police said one lane remains closed after authorities shut down Route 1A south at Shepard Street Sunday to work on the water main break.
Massachusetts State Police said one lane of the route remains closed as of Tuesday morning and warns that drives that delays are expected. Motorists are urged to avoid the area and seek an alternate route if they can.
It is unclear what caused the water main break.
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