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Chennai Metro Phase 2: First Driverless Train Trial Run Begins on Poonamallee-Porur Stretch

CMRL begins dynamic testing of three-coach driverless trains on elevated Corridor 4; commercial rollout on track for 2026.

9 October 2026VizhiTN Transit & Urban Infrastructure Desk5 min read
Chennai Metro Phase 2: First Driverless Train Trial Run Begins on Poonamallee-Porur Stretch
📷 Visual Archive • VizhiTN Field Desk✓ Verified Story

Why this matters to Tamil Nadu

The Poonamallee-Porur stretch will serve as the gateway connecting western suburbs and industrial hubs directly with Chennai's IT corridor, cutting peak-hour commuting time from 90 minutes to just 22 minutes.

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Key Highlights

Essential facts and key takeaways

4 points
Corridor 4 Stretch: Poonamallee Bypass to Porur Junction (approx 16 km)
Train Specifications: 3-coach Driverless Train Sets (CBTC Signaling)
Testing Speed: Progressively tested from 25 km/h to design speed of 80 km/h
Safety Certification: Undergoing mandatory RDSO and Commissioner of Metro Railway Safety (CMRS) audits

Timeline

Chronological developments

4 events
1
Nov 2024
Delivery of first driverless train set at Poonamallee Depot
2
Feb 2026
Overhead electrification (25kV AC) and viaduct track completion
3
Oct 2026
Official high-speed track dynamic trials on Corridor 4
4
Early 2027
Planned commercial operations launch for public commuters

Official Sources

Verified links & documentation

Chennai Metro Rail Limited (CMRL)TN Highways & Minor Ports Department

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