The Midwest Central Railroad is a 3 ft (914 mm) narrow gauge heritage railroad operating within the confines of Mount Pleasant, Iowa's McMillan Park, site of the Midwest Old Thresher's Reunion. The railroad is a registered, 501(c)(3) non-profit organization. The mainline track is a 1 mile (1.6 kilometer) loop with traffic moving in a clockwise direction regulated by an electrically signaled block system. The mainline loop features two stations: at the north end, the original Hillsboro, Iowa, depot along with a Milwaukee Road signal tower; and at the south end, a newer wood frame/metal sided building.