The Chennai Mofussil Bus Terminus or CMBT is a modern bus terminus located in Chennai, India, providing outstation transportation services. Spread over an area of 37 acres (150,000 m2) in Koyambedu, it is the largest bus terminus in Asia. And is accredited with the ISO 9001:2000 quality certification for its quality management and excellence.Previously, before the opening of CMBT, Erode Central Bus Terminus was the largest bus stand in Asia and presently, Erode bus stand is the Second largest bus terminus in Asia. It is located on the 100 feet (30 m) inner-ring road (Jawaharlal Nehru Road) in Koyambedu between SAF Games Village and the Koyambedu Vegetable Market. Chennai Metro Rail is planning for its coach depot behind CMBT.
The terminus has 6 platforms in 3 bus fingers with 180 bus bays. It also has an idle parking area for 60 buses and can station 270 buses at any given time. Being the most important entry-exit point of the city, the terminus has a capacity to handle over 2,000 buses and 200,000 passengers a day. The terminus currently handles more than 500 buses at a time, and 3,000 buses and 250,000 passengers a day. The 36.5-acre (148,000 m2) bus terminus has an 17,840 sq ft (1,657 m2) waiting facility for passengers, a 25,000 sq ft (2,300 m2) parking space for auto rickshaws, cabs and private cars, and 16,000 sq ft (1,500 m2) parking space for two-wheelers.
The amenities provided in the terminus include 3 hotels and 3 smaller eateries inside the terminus, 3 locker rooms, 10 travel agency offices, shops, supermarkets, ATMs, dorm rooms (A/C and non-A/C) for rent, toilets, round-the-clock security, pure drinking water free of cost facilitated by a reverse-osmosis treatment plant, a 24-hour pharmacy, and first-aid facilities and medical assistance. Wheel chairs are provided for the physically disabled. In 2012, the number of reservation counters was increased from 6 to 16. It has been estimated that over 500,000 footfalls per day is being recorded at CMBT and over 4,800 buses, including intra-city and mofussil buses, ply in and out of CMBT.
In June 2009, the Chennai City Police opened a "child-friendly centre" at the bus terminus to serve as a help booth for lost and wandering children and victims of child abuse.There are 64 closed-circuit camera (CCTV) installed in the terminus.