Mid-Atlantic B.D.R.
The Backcountry Discovery Routes are an off-road adventure motorcycle firm based in Washington State. They have developed interconnected routes all over the western United States as well as one east coast route. called the Mid-Atlantic BDR. This could also be considered a Northeast route considering it traverses the whole state of PA, which could be an adventure itself alone.
They’re really doing some cool stuff over there and have plans to release even more tracks. Check them out at ridebdr.com.