As the name implies, after you finish truck driving college and also have your cdl license, you can be driving commercial grade trucks. A class A license is needed for tractor trailers, or autos which can be carrying 26,001 kilos or maybe more when you find yourself at the rear http://commercialtruckdrivingsim40505.digiblogbox.com/18947251/5-easy-facts-about-affordable-driving-simulator-described