South Line, Chennai Suburban

South Line
Overview
Status	Operational
Termini	Chennai Beach (Madras Beach) Puducherry (union territory)
Stations	50
Service
Type	Suburban railway
System	Chennai Suburban Railway
Operator(s)	Southern Railway (India)
Depot(s)	Egmore, Tambaram
History
Opened	1931; 93 years ago (1931)
Technical
Line length	200.6 kilometres (124.6 mi) (60 km Suburban and 140.6 km MEMU)
Track gauge	Broad Gauge
Electrification	Yes
Operating speed	100 km/h (maximum service speed)
Route map Legend Chennai Beach — Villupuram North Line West Line 0.00 Chennai Beach High Court 1.80 Chennai Fort  MRTS  3.07 Chennai Central Green Line Blue Line 3.07 Chennai Park 3.07 Parktown MRTS 4.32 Chennai Egmore Green Line 6.56 Chetput Purple Line Cooum River 8.15 Nungambakkam 9.68 Kodambakkam Orange Line 11.29 Mambalam 12.90 Saidapet Adyar River 15.01 Guindy Blue Line 17.12 St. Thomas Mount Green Line Red Line  MRTS  18.75 Pazhavanthangal 20.04 Meenambakkam 21.22 Tirusulam Blue Line 23.15 Pallavaram 25.35 Chromepet Blue Line 27.36 Tambaram Sanatorium 29.14 Tambaram Blue Line 32.64 Perungalathur Blue Line 34.44 Vandalur Blue Line 37.48 Kilambakkam Blue Line 37.50 Urapakkam 40.41 Guduvancheri 43.94 Potheri 45.85 Kattangulathur 46.96 Maraimalai Nagar 51.48 Singaperumal Koil 55.59 Paranur 59.84 Chengalpattu Junction to Arakkonam 63.00 Tirumani 68.37 Ottivakkam 73.08 Padalam 80.83 Karunguzhi 84.48 Maduranthakam 91.07 Pakkam 95.37 Melmaruvathur 98.21 Acharapakkam 104.27 Tozhuppedu 109.44 Karasangal 113.86 Olakur 118.59 Panchalam 125.48 Tindivanam 134.84 Mailam 143.44 Perani 149.92 Vikravandi 156.44 Mundiyampakkam to Katpadi 162.76 Viluppuram Junction

The South Line of Chennai Suburban Railway is the fourth longest suburban line that runs southwards from Chennai (Madras) City. It is the oldest suburban line of Chennai (Madras), opened in 1931. Suburban services terminate at Chengalpattu (Chingleput) and MEMU services at Puducherry. The capacity utilisation of Chennai Beach-Egmore-Tambaram section is 69 percent. The tract travels along the GST Road from St.Thomas Mount to Villupuram.^[1]