Kerala State Road Transport Corporation (KSRTC) is a state-owned road transport corporation in the Indian state of Kerala. It is one of the country's oldest state-run public bus transport services. The corporation is divided into three zones (South, Central and North), and its headquarters is in the state capital Thiruvananthapuram. Daily scheduled service has increased from 1,200,000 kilometres (750,000 mi) to 1,422,546 kilometres (883,929 mi), using 6,241 buses on 6,389 routes. The corporation transports an average of 3.145 million commuters per day.