First responders were called to the southbound lanes of the interstate on Tuesday, near mile marker 177, where there was a reported crash that closed all thru lanes while police investigated and crews cleared the area.
As of 5:45 p.m. on Nov. 5, the south left lane, right lane, and right shoulder are closed, and the exit ramp was narrowed.
Details about the crash were not released. Delays were estimated at around three miles shortly before 6 p.m. on Tuesday, according to 511 Virginia.
It is unclear when I-95 south will reopen in Fairfax County.
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 Great Falls and receive free news updates.