I have two vehicles. Can I use one FASTag for two vehicles? This topic is empty. Viewing 1 post (of 1 total) Author Posts January 16, 2022 at 2:48 pm #795 adminKeymaster Customer can use only one tag with one vehicle. Once Tag is affixed on the windshield of the vehicle, it cannot be removed as it will get destroyed and will not work at the toll plaza. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Continue with Google Log In