An accident on I-95 involving a police cruiser brought southbound traffic to a standstill from Tinicum Township in Delaware County to the state border Tuesday night.
The accident happened around 10:20 p.m., and police and medics remained on the scene around 11:15 p.m. as the massive traffic jam continued to build.
State police in Delaware County said tow trucks were on the scene around 11:30 p.m. waiting to remove the damaged vehicles from the highway.
The far left southbound lane was open as of 11:30 p.m., allowing traffic to creep by the scene of the accident, police said.
Details on how many people were injured, and the severity of their injuries was not immediately available.