FREDERICK, Md. (AP) — Maryland State Police say all lanes of northbound Interstate 270 are closed in the Frederick area.

Police say the road will be closed for about three hours Thursday morning after a car crashed into a pole holding an overhead sign north of New Design Road. Police say a Chevrolet Malibu went off the road and hit the sign early Thursday. The driver was taken to Meritus Medical Center in Hagerstown.

READ MORE: Assault Suspect Tries To Steal Car While Fleeing Baltimore County Officers, Police Say

The road will be closed for several hours while the sign is removed and replaced.

READ MORE: Police Respond To Shooting At Owings Mills Pizza Shop

Traffic will be detoured onto Interstate 70.

MORE NEWS: Dartigue To Serve As Maryland's Next Public Defender

(Copyright 2013 by The Associated Press. All Rights Reserved.)