Tiruvallur railway station is an NSG–2 category Indian railway station in Chennai railway division of Southern Railway zone. It is one of the railway stations of the Chennai Central–Arakkonam section of the Chennai Suburban Railway Network. It is one of the terminal and oldest stations in the network where some of the suburban trains originate and terminate. It serves the neighbourhood of Tiruvallur, a suburb of Chennai, and is located 41 km west of the Chennai Central railway station. It has an elevation of 47.46 m above sea level.