This story has been updated.
A single-vehicle crash caused the closure of a stretch of Route 123 in New Canaan on Friday afternoon.
just after noon on Friday Route 123 (Smith Ridge Road) was closed between Country Club Road and North Wilton Road.
The driver of the vehicle was extricated, the New Canaan Fire Department said.
The extent of the person's injuries has not yet been released.
Motorists were advised to take alternate routes and avoid the area.
This is a developing story. Check back to Daily Voice for updates.
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