SIOUX FALLS, S.D. (KELO) — Inside his Sioux Falls home, Matt Pepper bikes hundreds of miles during the winter next to his model train display. “It’s the only place I had to put the bicycle.

He said: “This has been a fantastic project to work on and a great investment to make the most of what the Heart of Wales line has to offer. “By the summer when all the trains are running you ...