Disney's 1900 frieght train vs the "Viewliner" from Tomorrowland

Between 1957 and 1958, the Viewliner, "The fastest miniature train in the world," ran alongside the Disneyland Railroad for just over a year, and therefore has the distinction of being the shortest-lived ride in the park's history.

http://waterandpower.org/museum/Early_Southern_California_Amusement_Parks.html