Chennai Metro Phase 2: Underground Tunneling Hits Major Milestone in Core Corridor
CMRL accelerates tunneling works across Corridor 3 and 5, setting the stage for integrated multimodal transitions by late 2027.
Why this matters to Tamil Nadu
Reduces daily commuting time across congested arterial corridors like Kellys and Royapettah by over 40 minutes. Integrates seamlessly with suburban rail and MTC bus terminals to build a unified multi-modal urban transit grid. Employs advanced Earth Pressure Balance Tunnel Boring Machines (EPBTBMs) to ensure structural safety in dense residential areas.
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