I wanted to call bs on this, but for now it seems you are right. In Texas, there are plans to take an abandoned railroad line from about Farmersville to a location fairly close to Texarkana. I am not sure the exact mileage, but I would think it must compete. Here is an off the cusp link about it.
https://www.texasmonthly.com/travel/traveling-130-miles-alon...