Chennai (Metro Rail News): Chennai Metro Rail Corporation (CMRL) has initiated testing and trial runs on Line 4 of Phase 2. The trials were conducted for the 10 km Downline stretch of Line 4. Originally, Line 4 of Chennai Metro Phase 2 spans 26.1 km between Light House and Poonamallee Bypass through 28 stations.
Earlier, CMRL initiated trials on the Up-Line section. In March 2025, CMRL conducted trials on a 3 km stretch of Line 4 connecting Poonamallee Depot and Mullaithottam. Subsequently, in April 2025, CMRL extended the trials (Upline) on the 9.1 km stretch connecting Mullai Thottam Metro Station and Porur Junction Metro Station.
About the Trial Run
CMRL has commenced trial runs on the 10 km stretch of Corridor 4, which connects Porur Junction Metro Station to Poonamalle Bypass Metro Station through 10 stations. Poonamalle Metro Depot will be the nerve centre to coordinate the testing & trials of the section.
Stations
- Porur Junction
- Chennai Bypass Crossing
- Ramachandra Hospital
- Iyyapanthangal Bus Depot
- Kattupakkam
- Kumananchavadi
- Karayanchavadi
- Mullai Thottam
- Poonamalle bus terminus
- Poonamallee Bypass
Further Updates
Additionally, the Poonamaallee Bypass station ASS (Auxiliary Substation) was also inaugurated and successfully charged through 33kV power supply cable from Poonamallee Receiving substation at Poonamallee Depot.
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