The route Needles Highway is part of the South Dakota Highway 87, which is running through the Black Hills of South Dakota, U.S. Traveling Needles Highway, you have to drive through some very narrow granite tunnels, the Iron Creek and the Needles Eye Tunnel.
During a vacation with his family, this man, a bus driver himself, filmed the difficult task of maneuvering a charter bus through the Needles Eye Tunnel, and was quite surprised to see that this was even possible.
And here is the view from inside the tunnel, filmed by Dick Gibson on a different occasion:
