| West North Line, Chennai Suburban | |
|---|---|
| Overview | |
| Type | Suburban railway |
| System | Chennai Suburban Railway |
| Status | Operational |
| Termini |
Chennai Central (Madras Central) Tirupati (city) |
| Stations | 40 |
| Operation | |
| 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 Tiruvallur) 3 (till Arakkonam) 2 (till Tirupati (city)) |
| Track gauge | Broad Gauge |
| Operating speed | 90 km/h (maximum service speed) |
The West North Line of Chennai Suburban Railway is the fifth longest line that runs west-north from Chennai (Madras) City. Suburban services terminate at Tiruttani and MEMU services run till Tirupati, across the state line in Andhra Pradesh.