If you want to go suphanburi,you can go by car,bus and train. When you come to city. You can get around city by รถรอบเมือง You can see around the city all you pay only 7 batht and you can go by free tram to travel arround city In my opinion (people born suphanburi) .i suggest, you should to go by car because you can travel othre places in suphanburi more comfortable.