We did GMR to the Ski Lifts yesters. GMR is in good shape and closed to traffic. There's some construction going on about 6-8 miles up, and the roads is only about 4 feet wide for a very short stretch. There are also some mounds of dirt along the roadside. None of this presented much of a problem, on the way down, you just need to be aware of the construction and other rides, but it doesn't sound like you're planning on descending GMR anyway.
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