A serious accident has Rosemont Ave. in Frederick City closed.
Frederick Police are on the scene of an accident on Rosemont Ave. where a passenger car went under a tractor trailer.
It took emergency crews 36 minutes to extracate one person who was trapped in the vehicle under the truck.
That person is being taken by ambulance to Meritus Medical Center in Hagerstown, Maryland.
Police say for the next several hours, Rosemont Ave. will be closed between Montevue Lane and Tuscanney Drive.