The largest underground station Chennai Central Metro station sprawling over 70,000 sq.m will be located opposite the Central railway station. There will be six entries/ exits of the Chennai Central Metro station.
There will be a bus bay next to the entry/exit and the facility may function along the lines of the arrangement where buses enter and exit Central railway station. That apart, there will be a ventilation shaft (an air passage to facilitate ventilation underground) and ancillary equipments and buildings required for the working of this station.
There will be some space allocated for parking in a basement underneath the land. CMRL plans to create parking space for about 500 cars and 1000 two-wheelers for the Chennai Central Metro station.
Also there will be airport check-in facility in one of the basement levels there which will allow air passengers to complete the check-in procedures at the station itself.