Recently, I took US 202 through Doylestown in Bucks County, Pennsylvania. In 2017, you can continue driving on US 202 southbound along the US 202 Parkway. However, the first time I visited the area in October 2004, that was not the case. Someone choosing to continue south on US 202 would need to exit and drive on PA 611 briefly. There was a stub end at end of this interchange, as US 202 was planned to continue as an expressway beyond that point.
Old highway alignments come in all shapes and sizes, as well as taking some different forms after their lifespan of serving cars and trucks has ended. In the case of an old alignment of what was NY 10 south of Tupper Lake, New York, part of the old road was turned into part of a hiking trail to go up Goodman Mountain. At one time, the road passed by Goodman Mountain to the east, or Litchfield Mountain as it was known at the time. As the years passed, sometime around 1960, the part of NY 10 north of Speculator became part of NY 30, and remains that way today from Speculator, past Indian Lake and Tupper Lake and up to the Canadian Border. At one time, the highway was realigned to pass the Goodman Mountain to the west, leaving this stretch of road to be mostly forgotten and to be reclaimed by nature. During the summer of 2014, a 1.6 mile long hiking trail was approved the Adirondack Park Agency to be constructed to the summit of the 2,176 foot high Goodman Mountain. For the first 0.9 mi