Tunnel width and height restrictions on Needles Highway, Black Hills South Dakota. I have read most of the posts here and on other web pages about width restrictions, but none really address the height restrictions completely.There are a few web pos...
UPDATE to earlier post: I finished the trip through the Black Hills, including both the Needles Highway and Iron Mountain Road. My Class B Airstream Interstate Lounge (Mercedes Sprinter Base) has a height of 9'10" with all the stuff on top (AC, Win...
