Police are investigating a one-car accident Friday afternoon that sent the driver to the hospital.

A delivery car for Hancock Pharmacy of Bridgeport crashed through the guardrail and struck a sound barrier at Kings Highway near Meadow Street about 1:30 p.m., just off the southbound Exit 23 ramp of Interstate 95.

The driver for the pharmacy, who was initially was left unconscious by the crash, was out of the car when fire and police crews arrived on the scene, police said.

He was taken to St. Vincent's Medical Center in Bridgeport for treatment of what were described as non-life-threatening injuries.