>Width between the tracks extends about 140 centimeters, but not in all instances. The tracks measured at the San Gwann site in Malta are said to be half a mete

>Width between the tracks extends about 140 centimeters, but not in all instances. The tracks measured at the San Gwann site in Malta are said to be half a meter in depth, making them the deepest to be found. Wow. Our rail gauge is 142 centimeters. And half a meter deep? (Goes looking into Roman cart technology)... about the same! > These rims had their outer side convex, inner side concave or flat, with a thickness of about 15 mm., a width of between 35 to 45mm., and a diameter from 1001 to 1193 mm.20 >Roman Traction Systems http://www.humanist.de/rome/rts/wagon.html http://www.humanist.de/rome/rts/wagon.html >The historical tendency to place the wheels of horse-drawn vehicles approximately 5 feet (1,500 mm) apart probably derives from the width needed to fit a carthorse in between the shafts. >Are U.S. Railroad Gauges Based on Roman Chariots? https://www.snopes.com/fact-check/railroad-gauge-chariots/ https://www.snopes.com/fact-check/railroad-gauge-chariots/