This is a news release from the Montgomery County Police Department published verbatim.
Source: this site
Detectives from the Montgomery County Department of Police – Collision Reconstruction Unit are investigating a single-vehicle collision that occurred this morning in Darnestown.
On Saturday, April 20, 2019, at approximately 8:06 a.m. officers from the Montgomery County Department of Police – 1st District, and Montgomery County Fire & Rescue personnel responded to the area of Darnestown Road and Riffleford Road for the report of a single-vehicle collision with the driver entrapped. After a prolonged extrication, the driver was transported to a local hospital with life-threatening injuries.
The preliminary investigation revealed that a 2008 Lexus IS300 was traveling eastbound on Darnestown Road approaching the intersection with Riffleford Road. For reasons still under investigation, the vehicle left the roadway and struck a metal traffic-light support pole on the driver’s side door. The driver remains in critical condition.
This collision remains under investigation. Anyone with information regarding this collision is asked to contact the Collision Reconstruction Unit at 240-773-6620.