The northbound lanes of Whitney Avenue in Hamden will be closed between Putnam Avenue and Davis Street for several hours after a car struck a pole this morning.
Just before 8 a.m., a vehicle traveling north on Whitney Avenue hit a utility pole and then a retaining wall, police said.
The Hamden Fire Department had to extricate the driver, who was transported to Yale-New Haven Hospital.
Police did not know the extent of the driver's injuries.
Police have reopened the southbound lanes of the road.