But, on 29 September, the Nawab's representative at Poonamallee blockaded the road to Fort St George advising the British that the Nawab would not accept anything less than 1,000 pagodas in return for Tiruvottiyur.
It is also an important halting point for buses starting from Chennai Mofussil Bus Terminus and going towards Tirupati, Kanchipuram, Vellore etc.
Bus services are there to Poonamallee (62), Avadi (62), Koyambedu, Vallalar Nagar (M248), Vandalur, Broadway, Tambaram (170L) and few private buses to Kanchipuram and Redhills.
In August 1678, the Maratha Emperor Shivaji sent an army of 1,500 horse to capture Poonamallee.
The station is being constructed as an underground station on Poonamallee High Road in front of the Chennai Central railway station and the Ripon Building.