Chennai Metro Phase 2 Corridor-4 Stage 1A to commence Passenger Service at 4 pm on 11 October 2026
Chennai Metro Rail Limited (CMRL) has announced the commencement of regular passenger services on a 15-km section of Corridor 4 (Yellow Line) of Phase 2, connecting Poonamallee Bypass Metro Station and Vadapalani Metro Station through 11 elevated stations.
Stations Covered
- Poonamallee Bypass
- Poonamallee Bus Stand
- Poonamallee Government Hospital
- Karayanchavadi
- Kumananchavadi
- Kattupakkam
- Iyappanthangal
- Thelliyaragaram
- Porur Bypass
- Porur Junction
- Vadapalani
Service Commencement
- 11 October 2026: Services begin at 4:00 PM and operate until 9:00 PM in both directions.
- From 12 October 2026 onwards: Regular passenger services will operate daily from 7:00 AM to 9:00 PM.
Train Frequency
Monday to Saturday
- Peak Hours
- 8:00 AM to 11:00 AM
- 5:00 PM to 8:00 PM
- Train every 10 minutes
Non-Peak Hours
- 7:00 AM to 8:00 AM
- 11:00 AM to 5:00 PM
- 8:00 PM to 9:00 PM
- Train every 15 minutes
Sundays and Holidays
- No peak-hour schedule.
- Trains operate every 15 minutes from 7:00 AM to 9:00 PM.
Last Train
- The final train departs at 9:00 PM from both:
- Poonamallee Bypass Metro Station
- Vadapalani Metro Station
Significance
The opening of this first operational section of Phase 2 Corridor 4 (Yellow Line) is a major milestone in Chennai's public transport expansion. The new corridor improves connectivity for residents of Poonamallee, Kattupakkam, Iyappanthangal, Porur, and surrounding areas, offering a faster and more reliable alternative to road travel while helping reduce traffic congestion.
Key Takeaway
The new metro section provides a direct, high-capacity transit link between western Chennai suburbs and the city core, marking a significant step toward the full rollout of Chennai Metro Phase 2.
