Chennai Metro Rail has informed the Tamil Nadu government and the central government that the first section of the second phase, from Poonamallee to Vadapalani, can be inaugurated any time now. On Tuesday, Chennai Metro Rail received permission to operate trains on the 14.6-km route, with some relaxation in the speed and frequency of trains. Now, CMRL can run trains every 10 minutes on the Poonamallee-Vadapalani route.

The Mumbai Metropolitan Development Authority (MMRDA) announced that Metro Line 5 will now be 34.21 kilometers long, making it one of the largest metro corridors in the entire Mumbai Metropolitan Region. This announcement comes after the approval of a new extension called Metro Line 5A, which adds 11.83 kilometers to the original 22.38-kilometer project.

Delhi Metro Rail Corporation (DMRC) Managing Director Vikas Kumar said that several countries, including Israel, Egypt and Kenya, have approached DMRC for cooperation in metro projects. The corporation now plans to expand its international presence through a dedicated overseas branch to generate additional revenue to modernize the capital's aging infrastructure.

Gurugram experienced a massive power outage on May 23, 2026, after a transformer exploded in Sector 72, disrupting the power grid. The outage also disrupted Rapid Metro services for nearly an hour, leaving dozens of passengers stranded inside. An official stated that the disruption was caused by a technical fault, which led to an oil leak and subsequent explosion in the transfer circuit.

The Bangalore Metro Rail Corporation Limited (BMRCL), in collaboration with Aarvi Engineering Consultants, submitted the detailed project report (DPR) for the proposed Tumakuru Metro corridor to the Karnataka government on May 23. The DPR proposes a 60-kilometer metro corridor from Madavara (BIEC) to Tumakuru via Nelamangala, Dabaspet, and Kyathasandra. The proposed corridor will have 16 stations, an estimated travel time of 59 minutes, and an estimated cost of approximately ₹19,700 crore under the public-private partnership (PPP) model.