Rapid Bus Sdn Bhd is the largest bus operator in Malaysia operating mainly in urban areas of Klang Valley, Penang & Kuantan. As of August 2022, Rapid KL service brands unit of Rapid Bus, has operates 112 normal routes and also 69 MRT Feeder Bus routes. Rapid Bus routes were previously operated by Intrakota Komposit Sdn Bhd, a subsidiary of DRB-Hicom Berhad; and Cityliner Sdn Bhd, a subsidiary of Park May Berhad. When it took over, there were 179 routes. Since January 2006, Rapid KL has redrawn the entire network.