Bullet Train progress: Tunnelling work completed for five-km tunnel

Work connected a 5 km tunnel, portion of the 21 km passageway of India’s archetypal slug bid Mumbai-Ahmedabad High Speed Rail (MAHSR) corridor, has been completed utilizing the New Austrian Tunnelling Method (NATM), said National High Speed Rail Corporation (NHSRCL) officials connected Thursday (April 2, 2026).

The 5-km tunnel, which passes betwixt Ghansoli and Shilphata, is portion of the 508-km-long MAHSR, connecting Gujarat, Maharashtra and the Union Territory of Dadra & Nagar Haveli.

“With excavation complete, enactment has present precocious to the adjacent stages of passageway construction. The passageway has the drainage strategy built utilizing a Drainage Casting Gantry — the seepage h2o is safely collected and channelled to a drainage strategy for the tunnel,” said an NHSRCL official, adding reinforcement barroom cages are installed on the passageway profile, forming the alloy model that strengthens the last factual lining.

So far, 343 km viaduct and 434 km pier enactment person been completed, on with 17 stream bridges, 05 PSC (pre-stressed concrete) and 13 alloy bridges completed.

According to the authoritative statement, implicit 5.6 lakh sound barriers person been installed on 280 km of stretch, and 360 way km (180 way km) of RC way furniture operation person been completed. The enactment completed besides includes implicit 6900 OHE masts installed, covering astir 159 way km of the mainline viaduct and breakthrough has been achieved for 2 upland tunnels retired of the seven.