Police activity shuts down parts of I-495 in Fairfax County

An investigation is underway on Interstate 495, causing major delays in Fairfax County on Sunday.

What we know:

Police activity has shut down all southbound lanes on Interstate 495 between Gallows Road and Little River Turnpike.

Officials say emergency crews responded to reports of a vehicle collision and stabbing on the interstate.

Traffic is currently being detoured at Exit 50a onto Route 29/Route 50.

What we don't know:

Officials have yet to release further details about the investigation. 

This is a developing story. Check back for updates.

The Source: Information from this article was provided by VaDOT.

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