Chennai (Metro Rail News): The Chennai Metro Project progressed as the Tamil Nadu Government has granted formal approval for the construction of Phase 2’s Line 4 Extension, which spans 52.94 km connecting Poonamallee – Sunguvarchatram -Parandur. The project has been estimated to cost ₹15,906 crore. Line 4 of Phase 2 spans 26.1 km from Lighthouse to Poonamallee Bypass.
As per the consultant’s recommendation, who carried out the Detailed Project Report (DPR), the project will be implemented in two phases — from Poonamallee to Sunguvarchatram in Phase I and from Sunguvarchatram to Parandur in Phase II.
Approval For Poonamallee to Sunguvarchatram Stretch
The Tamil Nadu Government has also approved the “first phase implementation” of this corridor, which spans 27.9 km from Poonamallee to Sunguvarchatram. This section is estimated to cost ₹8,779 crore. As per the official from CMRL, this section will feature 14 stations.
Stations
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- Nazarathpet
- Chembarambakkam
- Kuthambakkam Bus Terminus
- Samathuvapuram
- Chettipedu
- Thandalam
- SIPCOT Irungattukottai
- Pennalur
- Sriperumbudur
- Pattunool Chatram
- Irungulam Industrial Area
- Mambakkam
- Thirumangalam
- Sunguvarchatram
Future Projection
The Detailed Project Report (DPR) of this section will be forwarded to the Centre for its approval.
Read nextChennai Metro Phase II: PM Modi, CM Joseph Vijay Inaugurate 15-km Corridor 4 Stretch 11 Oct 2026
What about Koyambedu to pattabiram metro rail project? please update.