India's Bullet Train Project Hits Tunnel Breakthrough Milestone

India's ambitious Mumbai-Ahmedabad High Speed Rail project marked a significant milestone on January 2, 2026, with the breakthrough of a 1.5-kilometer mountain tunnel in Maharashtra's Palghar district. Railway Minister Ashwini Vaishnaw virtually witnessed the event from Rail Bhawan in New Delhi, highlighting progress on the nation's first bullet train corridor.

The tunnel, known as MT5, is among the longest in Palghar and connects the Virar and Boisar stations. It represents the second tunnel completion in Maharashtra for the project, following a 5-kilometer underground section between Thane and Bandra-Kurla Complex finished in September 2025. The National High Speed Rail Corporation Limited is overseeing construction of the 508-kilometer corridor, which spans Maharashtra, Gujarat, and Dadra and Nagar Haveli. Funded and technically supported by Japan, the line will accommodate trains reaching speeds of 320 kilometers per hour, slashing the journey between Mumbai and Ahmedabad to just over two hours.

The project features 12 stations: Mumbai, Thane, Virar, Boisar, Vapi, Billimora, Surat, Bharuch, Vadodara, Anand, Ahmedabad, and Sabarmati. Engineering challenges include a...