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.
One of the more intriguing mysteries of the early US Route System in California is where the original south terminus of US Route 91 was intended to be located in the Mojave Desert. This blog is a little different than my usual behind the wheel fare and explores why US Route 91 ultimately ended at US Route 66 in Daggett instead of Bannock. What ultimately became the US Route System was first discussed during the American Association of State Highway Officials ("AASHO") during their annual 1924 meeting. Ultimately the AASHO recommended to the Department of Agriculture to work with the States to develop a system of Interstate Highways to replace the many Auto Trails in use. The Joint Board on Interstate Highways was ultimately commissioned by the Department of Agriculture and it's branch agency the Bureau of Public Roads in March of 1925. The Joint Board on Interstate Highways first met in April of 1925 and decided on the new interstate road network would be known a