Line 3 (Chennai Metro)

Purple Line (Line 3)
Overview
Status	Under construction
Termini	Madhavaram Milk Colony Siruseri SIPCOT
Stations	47
Service
Type	Rapid transit
System	Chennai Metro
Operator(s)	Chennai Metro Rail Limited
Technical
Line length	45.4 km (28.2 mi)
Number of tracks	2
Character	26.3 km (16.3 mi) Underground 19.1 km (11.9 mi) Elevated
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	25 kV 50 Hz AC overhead catenary
Operating speed	80 km/h (50 mph)
Route map Legend Madhavaram Milk Colony Red Line Madhavaram High Road Moolakadai Sembiyam Perambur Market Perambur Perambur railway station Ayanavaram Otteri Nullah Otteri Pattalam Perambur Barracks Road Purasaiwakkam Kellys Kilpauk Green Line Chetput Lake Chetpet railway station Chetpet Cooum River Sterling Road Nungambakkam Anna Flyover Thousand Lights Blue Line Royapettah Dr. Radhakrishnan Salai Thirumayilai Orange Line Mandaveli Greenways Road Adyar River Adyar Junction Adyar Depot Buckingham Canal Indira-Nagar Thiruvanmiyur Chennai MRTS Tharamani Nehru Nagar Kandanchavadi Perungudi Thoraipakkam Mettukuppam PTC Colony Okkiyampet Okkiam Maduvu Karapakkam Okkiyam Thoraipakkam Sholinganallur Red Line Sholinganallur Lake I Sholinganallur Lake II Nookampalayam metro depot Semmancheri I Semmancheri II Gandhi Nagar Navallur Siruseri SIPCOT 1 SIPCOT 2

The Purple Line or Line 3 is one of the planned lines of Chennai Metro. It is part of the second phase of the project and the under construction line stretches from Madhavaram Milk Colony to Siruseri SIPCOT. The 45.4 km (28.2 mi) long line will consist of 47 stations, out of which 28 will be underground and 19 will be at grade or elevated.