Mobile Asphalt Plants. Compact, highly mobile/portable, wheeled, single chassis asphalt batch mix plants. SuperRoadMix is available with capacities of 30, 60 or 90 TPH. Mounted on a single chassis are all the components necessary to repeatedly and reliably deliver upto 90 t/h of high quality asphalt. Comprising a twin compartment feed hopper, dryer, automatic burner, hot .