FASTTag is a technology which uses Radio Frequency Identification which helps in recognizing the owner of vehicle thereby charges them and allows to pass through the toll without human interruption. Benefits: A vehicle does not stay in queue to get passed through a toll. The government does not require to hire a person to charge tax for using the road. One does not need any cash in hand to cross any number of highways, all happens automatically through the account linked. Lots of time is saved through this process.