UPDATE: According to 511Virginia, Route 1 has reopened and the backup is clear.

PRINCE WILLIAM COUNTY, Va. (WRIC) — All northbound lanes of Richmond Highway (Route 1) are closed after a crash in Prince William.

According to the Virginia Department of Transportation, the crash took place just north of the intersection of Richmond Highway and Port Potomac Avenue. All northbound lanes of Richmond Highway are currently closed in the area.

Drivers are asked to expect delays. For real-time traffic information and highway cameras, visit 511Virginia.org.