Automatic transport systems by 2020, self-driving vehicles could be guide common. Further into the future, we could very well have a country-wide transport system of small electric cars that would use ไฟฟ้า railways. You could tell a car where you want to go and lie back as it drives to the station, gets on the rails, drives guick just inches from the cars in front, then gets off at the other end and drives you to your destination.