What is the mode of transportation in Qatar?
How to use Qatar public transport?
Metrolink users have the option of using Karwa Smart Card or QR Code (available on Karwa Journey Planner App), or using Doha Metro & Lusail Travel Card to tap in and out when To use QR Code: Open the Karwa Journey Planner App on your mobile phone (or download the app and register first), go to Cards & Favorites on the Menu, select the metrolink QR Ticket – Free option, click on the QR Code box to display the full QR Code. Scan the QR Code on the reader in the busboarding and alighting from the bus.