A multi-vehicle crash on Interstate 695 at Park Heights along the Outer Loop brought traffic to a complete standstill Thursday night.
Maryland State Police confirmed multiple cars were involved and at least one was overturned.
Officials could not however confirm injuries shortly before 11 p.m.
Officers were dispatched to the area at around 10:10 p.m.
Officers were able to open the left shoulder lane for drivers to get by at around 10:50 p.m.