West North Line, Chennai Suburban
| West North Line, Chennai Suburban | |||
|---|---|---|---|
| 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) | ||
  | |||
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.
Sections[edit]
Chennai Central MMC - Thiruvallur[edit]
- This section has 2 dedicated lines for suburban train operations apart from 2 mail line for mixed traffic.
 - EMUs are operated along 3rd and 4th main lines during peak hours.
 - 5th and 6th rail lines are planned.
 - 9-car and 12-car EMU are operated in this sector.
 
Thiruvallur - Arakkonam[edit]
- Suburban trains operate in the 2 main lines.
 - 3rd rail line is completed & 4th rail line will be completed in 2015.
 - 9-car and 12-car EMU are operated in this sector.
 
Arakkonam - Tiruttani[edit]
- Suburban trains operate in the 2 main lines.
 
Chennai Central MMC - Tirupati[edit]
- MEMU trains operate between Chennai Central and Tirupati.