Backups were reported as long as three miles in the area due to the crash, which resulted in multiple northbound lanes on the interstate being blocked in Alexandria.
The crash was reported in the area of VA-236 (exit 3/Duke Street).
Virginia DOT officials said that as of 5:15 p.m. on Monday, traffic was backed up approximately 2.5 miles.
Details about the crash were not released.
Check Daily Voice for updates.
Want breaking news in the DMV as it happens, or want to contribute? Join the DMV All Incidents Facebook group.
Click here to follow Daily Voice Round Hill and receive free news updates.