Line 4Partly open

Yellow Line

Elevated line from Poonamallee Bypass through Porur to Vadapalani, where it meets the Green Line; the rest of the corridor is still being built.

Last checked 18 Oct 2026

Stations

Open so far

First train

Daily, from both Poonamallee Bypass and Vadapalani.

Fares

By distance

Stations

In order along the line. White rings mark stations where you can change to another line.

Tap a time to see where it comes from and when we last checked it.

First trainDaily, from both Poonamallee Bypass and Vadapalani.

Last trainDaily, from both Poonamallee Bypass and Vadapalani.

Trains everyMonday to Saturday, 8 to 11 am and 5 to 8 pm. Every 15 minutes at other times, and all day on Sundays and public holidays.

Fares go up with the distance you travel.

Minimum fareSingle journey, for example Poonamallee Bypass to Poonamallee Bus Stand.

Maximum fareSingle journey, Poonamallee Bypass to Vadapalani.

Stations on this line where you can change to another line or kind of train.

Every opening and change we have recorded for this page.

11 Oct 2026Opened
Opens from Poonamallee Bypass to Vadapalani (11 stations); six more stations between Porur Junction and Vadapalani are still to open
Railway Gazette: Chennai Metro opens first section of the Yellow Line (13 Oct 2026)

Where the information on this page comes from.

Spotted something out of date?Tell us which station or figure changed and where you saw it.