A fatal, one-car crash closed the southbound lanes of I-476 near the St. Davids/Villanova exit for about five hours early Friday.

The driver of a sedan was fatally injured about 2:30 a.m. when the car flipped and landed on its roof, officials said. The victim's name has not been released.

The crash closed the southbound lanes between Exit 13 in Radnor Township and Exit 9 in Marple Township until 7:30 a.m.

State Police are investigating in an effort to determine the cause of the crash.