West North Line, Chennai Suburban

West-North Line
Overview
Status	Operational
Termini	Chennai Central (Madras Central) Tirupati (city)
Stations	40
Service
Type	Suburban railway
System	Chennai Suburban Railway
Operator(s)	Southern Railway (India)
Depot(s)	Avadi
Technical
Line length	151 km (82 km Suburban and 69 km MEMU)
Track length	412 kilometres (256 mi)
Number of tracks	4 (till Arakkonam) 2 (till Tirupati (city))
Track gauge	Broad Gauge
Operating speed	90 km/h (maximum service speed)
Route map Legend 151 Tirupati 140 Renigunta 130 Pudi 121 Taduku 114 Puttur 107 Vepagunta 100 Ekambarakuppam 98 Nagari 94 Venkatanarasimharajuvaripeta 89 Ponpadi 82 Thiruttani West Line West South Line 69 Arakkonam Junction Puliyamangalam Mosur 58 Thiruvalangadu 54 Manavur Kosasthalaiyar River Senji Panambakkam Kadambattur 45 Egattur 42 Tiruvallur Puttlur 36 Sevvapet Road 32 Veppampattu 29 Thiruninravur 26 Nemilichery 29 Pattabiram Military Siding Engineering Depot 28 Pattabiram Military Siding 25 Pattabiram 24 Hindu College 21 Avadi Red Line 18 Annanur 17 Thirumullaivoyal 15 Ambattur Red Line 14 Pattaravakkam 12 Korattur ICF Furnishing Factory 13 Anna Nagar West 12 Padi 9 Villivakkam Red Line 8 Perambur Loco Works 6 Perambur Carriage Works 5 Perambur Purple Line 4 Vyasarpadi Jeeva North Line to Chennai Beach 2 Basin Bridge 0 Chennai Central MMC

The North west Line of Chennai Suburban Railway is the fifth longest line that runs west–north from Chennai City. Suburban services terminate at Tiruttani and MEMU services run till Tirupati, across the state line in Andhra Pradesh.