Close to the most trainlike car I've come across, David at The Old Motor found a cool old invention that went 60 mph

http://theoldmotor.com/?p=90291 found on http://blog.hemmings.com/index.php/2013/07/20/four-links-missing-cadillac-concept-car-life-size-tonka-truck-tonka-truck-museum-syd-mead-80th/