6:10 p.m. Update: According to Virginia State Police, Ronald J. Sample, 39, of Baltimore, was driving a tanker truck when traffic braked in front of him. Sample swerved to avoid striking a vehicle, and the tanker overturned and began leaking cooking oil onto the Beltway, authorities said.Virginia State Police said they received a call at 10:46 a.m.

The tanker had to be drained before it could be removed, and the oil had to be cleaned up, police said.

Sample was transported to a local hospital for non-life-threatening injuries, police said, and was charged with reckless driving. The outer loop reopened by 2:26 p.m., they said.

2:55 p.m. Update: According to VDOT, all lanes have reopened, but congestion remains a problem. Delays extend about five miles.

2:20 p.m. Update: Backups extend about four miles due to the earlier tanker accident, and traffic is still being diverted, according to the Virginia Department of Transportation.

12:10 p.m. Update: Virginia State Police say the tanker spilled oil onto the highway just east of exit 174 for Eisenhower Avenue. The road will remain closed until the cleanup is complete. Spokeswoman Corinne Geller said the cleanup is estimated to take four hours.

11:49 a.m. Update: Traffic must exit at Telegraph Road. Current estimates are that the problem may last most of the afternoon.

11:46 a.m. Update: The accident actually involves a tanker truck, and there is fuel in the roadway, according to WTOP. There is a picture posted here.

Original post: Interstate 95 North is shut down at Telegraph Road due to a tractor-trailer accident. Drivers should consider alternate routes, such as I-495 across the American Legion Bridge and Interstate 395.