Chennai metro Yellow Line Opens October 11, connecting Poonamallee Bypass to Vadapalani across 11 newly built elevated stations. Prime Minister Narendra Modi will officially inaugurate the ₹4,900-crore corridor during his visit to Chennai on Sunday. Furthermore, the 15-kilometre stretch forms a crucial segment of Phase II Corridor 4, linking fast-growing western suburbs directly with the city network.
Chennai Metro Phase II route network expansion and Yellow Line details
Specifically, Chennai Metro Phase II spans 118.9 kilometres across three distinct corridors, featuring 128 total stations. The mega infrastructure project involves an investment of ₹63,246 crore implemented by CMRL.
Additionally, the newly built Yellow Line stretch features a 3.7-kilometre double-decker structure equipped with CBTC signaling for driverless operations. Consequently, the line offers seamless interchange access to the existing Green Line at Vadapalani station.
| Operational Parameter | Service Timings, Frequency & Route Specifications |
| Inaugural Service Hours | October 11: 4:00 PM to 9:00 PM |
| Regular Daily Schedule | October 12 onwards: 7:00 AM to 9:00 PM (Last train departs at 9 PM) |
| Peak Hour Train Frequency | Every 10 minutes (8:00 AM–11:00 AM & 5:00 PM–8:00 PM) |
| Non-Peak & Sunday Frequency | Every 15 minutes |
| Corridor Route Length | ~15 km elevated stretch (11 operational stations) |
| Network Phase II Scale | 118.9 km network across Corridors 3, 4, and 5 |
Complete station list and regular train schedules
Meanwhile, CMRL confirmed that regular commercial operations will begin following the Prime Minister’s inaugural morning ride from Porur Bypass. Specifically, peak hours will run every 10 minutes between 8 AM and 11 AM, and 5 PM and 8 PM.
[Poonamallee Bypass] ---> [Poonamallee Bus Terminus] ---> [Poonamallee Govt Hospital]
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[Karayanchavadi] ---------> [Kumananchavadi] ------------> [Kattupakkam]
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[Ayyappanthangal] --------> [Thelliyaragaram] -----------> [Porur Bypass]
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[Porur Junction] ---------> [Vadapalani (Green Line Interchange)]
Furthermore, the 11 operational stations include Poonamallee Bypass, Poonamallee Bus Terminus, Poonamallee Government Hospital, Karayanchavadi, Kumananchavadi, Kattupakkam, Ayyappanthangal, Thelliyaragaram, Porur Bypass, Porur Junction, and Vadapalani. Therefore, as Chennai metro Yellow Line Opens October 11, commuters gain rapid, hassle-free mass transit across key commercial corridors.
