12:35 p.m.: State transportation officials report the road has reopened.
Original post: Colesville Road (Route 29) northbound is closed at Timberwood Avenue, due to a crash involving a dump truck, according to traffic reporting services.
Northbound traffic is being diverted to University Boulevard.
According to information from Maryland transportation authorities, only one southbound lane is getting by.
The closure has the potential to last for several hours. Fuel is reportedly leaking at the site.
Please check back for details.