Areas served: Districts of Chennai, Thiruvallur, Kanjipuram, Villupuram, Vellore and North Arcot Districts in Tamil Nadu state and Nellore and Chithoor districts of Andhra Pradesh State.
Route Kms and Electrification
| | | | Electrification |
| Gauge | RKms | TKms | RKms | |
| BG | 698 | 1444 | 685 | |
| MG | - | - | - | |
Passenger Halts/Stations
| Block Stations | 101 |
| Flag Stations | 20 |
| Halt Stations | 16 |
| | Rly Phone | DOT Phone |
| Shri. Anupam Sharma DRM | 22800 | 044-25355900 |
| Shri. Prabhakar ADRM I | 22602 | 044-25358131 |
| Shri. Mohanraja ADRM II | 22551 | 044-25351136 |
System Map of Chennai Division
