I was going to snark(tm) that I-370 in Montgomery County, MD https://en.wikipedia.org/wiki/Interstat… is waay shorter, at 2.5 miles, but then realized you’re talking about true 2-digit interstates, not spurs

Smart-alec noneOther was (jokingly?) asking about the home baseball park of the Washington DC professional baseball team, the Nats. Which obviously isn’t part of NPS.