According to Virginia State Police, the closure was at the request of US Secret Service. It had reportedly reopened as of 5:30 p.m.
The highway was closed leading up to the American Legion Bridge in McLean, jamming traffic for nearly five miles up to Tyson's Corner as of 4:45 p.m.
Biden's visit to MD hasn't been confirmed as the cause of the shutdown. The Hill, however, confirmed Biden was set to attend a fundraiser in Chevy Chase Tuesday, June 27.
Montgomery County Council President Evan Glass was among those who found himself at a standstill on Tuesday afternoon, though he was able to make light of the frustrating situation.
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