Once the user logs on to the system and provides the required information about the vehicle, the software calculates and displays the tax amount payable. If the user accepts to make the payment, the portal redirects him to selected bank or treasury site. Check Uttar Pradesh road tax rates, RTO tax details, online payment steps, and how a new car loan can help cover your road tax costs. Learn how to calculate and pay road tax for different types of vehicles in Uttar Pradesh. Find out the factors influencing road tax , the rates for two-wheelers, three-wheelers, four-wheelers and commercial vehicles, and the online payment process. Complete guide on Uttar Pradesh road tax - know rates, how to pay online or offline, and the refund process. Simple steps for car, bike & commercial vehicles.