Extracted Data Points

  • Third mountain tunnel (MT-07) breakthrough achieved at Ambesari village in Dahanu Taluka of Palghar district, Maharashtra
  • MT-07 tunnel spans 417 metres in length and 14.4 metres in width
  • Tunnel designed to accommodate both up and down tracks of the Bullet Train corridor
  • Excavation method: controlled drilling and blasting from both ends
  • Three mountain tunnel breakthroughs completed in Maharashtra within the last five months
  • First mountain tunnel breakthrough (MT-05) achieved on 2 January 2026 near Saphale in Palghar district, spanning 1.5 km
  • Second breakthrough (MT-06) achieved on 3 February 2026, involving 454-metre-long tunnel using New Austrian Tunnelling Method (NATM)
  • Seven mountain tunnels under construction in Maharashtra
  • MT-08 (350 metre) achieved breakthrough on 5 October 2023
  • MT-03 has crossed 80% excavation progress
  • MT-04 has reached nearly 60% progress
  • MT-01 and MT-02 are progressing steadily
  • Total eight mountain tunnels in Mumbai–Ahmedabad Bullet Train Project
  • Seven tunnels located in Palghar district of Maharashtra
  • One tunnel in Valsad district of Gujarat (tunnelling work already completed)
  • All three mountain tunnels between Vapi and Boisar Bullet Train stations successfully excavated
  • Monitoring systems deployed: Surface Settlement Points (SSP), 3D targets, strain gauges, seismographs
  • Safety measures: ventilation systems, fire-safety arrangements, controlled access, continuous geotechnical supervision
  • Project passes through industrial region between Boisar in Maharashtra and Vapi in Gujarat