There is a 12' tunnel on the Skyline Parkway and 3 on Blue Ridge Parkway you will have to detour around, 2 are just a little over 11' and one is 10' 6". There has also been some construction projects on the Blue Ridge Parkway you may want to check on. They may not affect you depending on how far you travel on each of the parkways. Google "tunnels" on each of the parkways for the milepost locations.
2014 Palomino Puma 25RS 28 days in 2014, 47 days in 2015, 71 days in 2016, 2017 3 done, 28 days booked and 7 more planned
2011 F-150 Supercrew 5.0 6spd, Me, Xyl and the 2 kids, BooBoo and Gracie (kittens)