● Red Line

Chennai Metro Rail (CMRL)

Proposed

Stations

39 Proposed

47 km

Line Length

Madhavaram Milk Colony Sholinganallur

Terminal Stations

Chennai Metro Red Line Overview

The Red Line, Corridor 5 of Chennai Metro Phase 2, is an under-construction line of about 47 km from Madhavaram Milk Colony to Sholinganallur. Mostly elevated, it will run along Chennai's western and southern arterial roads through Kolathur, Koyambedu, Porur, the St. Thomas Mount area and Medavakkam. Around 45-46 stations are planned. No section has opened yet. Explore the planned Chennai Metro Red Line route map, proposed station list, interchange points, approval and construction status, expected timelines and the latest project updates.

Red Line Station List 2026 (0 Active)

Parking Feeder Bus ATM Restroom

Under Construction · Proposed

Madhavaram Depot

Assisi Nagar

Manjambakkam

Velmurugan Nagar

Madhavaram Bus Terminus

Shastri Nagar, Chennai

Retteri Junction

Kolathur Junction

Srinivasa Nagar

Villivakkam

Villivakkam Bus Terminus

Villivakkam CTH Road

Anna Nagar West

Anna Nagar KV

Koyambedu Market

Natesan Nagar

Virugambakkam

Alwarthirunagar

Alapakkam Junction

Mugalivakkam

Ramapuram

Manapakkam

Chennai Trade Centre

Butt Road

Alandur

St. Thomas Mount

Adambakkam

Vanuvampet

Ullagaram

Madipakkam

Kilkattalai

Echangadu

Kovilambakkam

Vellakkal

Medavakkam I

Medavakkam II

Perumbakkam

Classical Tamil Institute

Elcot

See Full CMR Station List

Red Line Route Map 2026

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Official Map

Red Line History, Facts & Expansion

The Red Line is Corridor 5 of Chennai Metro Phase 2, from Madhavaram Milk Colony to Sholinganallur.
It is about 47 km long, largely elevated, with around 45-46 stations.
It will connect north Chennai with Koyambedu, Porur, the St. Thomas Mount area and Sholinganallur on OMR.
Part of the corridor shares a double-decker viaduct with Corridor 4 near Porur.
Interchanges are planned with the Green and Blue lines and with Corridors 3 and 4.
The line was under construction as of October 2026, with no opening date announced.
Corridor 5 is largely elevated, unlike Corridor 3.
It is planned to connect with Chennai's Outer Ring Road growth areas.
It will interchange with Corridor 4 at Porur area.
The corridor is implemented by CMRL as part of Phase 2.

Chennai Metro Red Line Phase-wise Expansion

Phase 2 - Western Section (Under construction)

Madhavaram-Koyambedu-Porur section in progress.

Phase 2 - Southern Section (Under construction)

Porur-St. Thomas Mount area-Medavakkam-Sholinganallur in progress.

Opening (Planned)

No date announced.

Separate Proposal: Koyambedu-Pattabiram (Proposed)

About 21.8 km, 19 stations; DPR submitted February 2025.

Red Line FAQs

The Chennai Metro Red Line (Corridor 5) is planned to have 45 stations connecting Madhavaram Milk Colony to Sholinganallur.

The Red Line will run from Madhavaram Milk Colony to Sholinganallur, covering approximately 47 km and connecting several residential and commercial areas.

No, the Red Line is currently under construction as part of Chennai Metro Phase II and has not yet started passenger services.

Chennai Metro Phase II has a target completion timeline of December 2028. The Red Line's opening will depend on construction progress, trial runs and safety approvals.

The planned Red Line will connect with other metro corridors at designated interchange points, allowing passengers to transfer between different routes across Chennai.

Yes, the Red Line will include both underground and elevated sections, depending on the route and local infrastructure requirements.

The Red Line is planned to cover approximately 47 km between Madhavaram Milk Colony and Sholinganallur under Chennai Metro Phase II.

Koyambedu–Pattabiram is a separately proposed branch line known as Corridor 5B. It should be listed separately from the main Red Line route.

Yes, passengers will be able to use the Red Line after construction, testing and the required safety approvals are completed.