An improvement project on Route 4 in Farmington is snarling the Thursday commute.
Police said traffic on Farmington Avenue is restricted to one lane in each direction in the area of Garden Street.
They warned drivers to expect heavy delays.
They also said drivers should avoid traveling on Garden Street as work is happening in the middle of Route 4 where it intersects with Garden Street.
Garden Street will be open to traffic; however, traffic flow will be impeded, according to police.
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