The Mumbai-Pune Expressway's 'Missing Link,' a ₹6,695-crore infrastructure project, was inaugurated on May 1, 2026, aiming to alleviate the notorious traffic bottleneck in the Khandala ghat section. This 13.3-kilometer stretch features India's tallest cable-stayed bridge and one of the world's widest road tunnels. However, just nine weeks later, the expressway faced a significant disruption due to a monsoon-triggered landslide.
On July 6, 2026, heavy rainfall led to a landslide near Tunnel 2 on the Pune-to-Mumbai carriageway, damaging a retaining wall and rendering the route unsafe for traffic. Authorities initially suspended traffic in both directions but later reopened the Mumbai-to-Pune carriageway, while the Pune-to-Mumbai corridor remained closed. Motorists were diverted to the old Mumbai-Pune Highway, causing significant congestion. The incident was attributed to nature, described as an "act of God." Anilkumar Gaikwad, MSRDC Vice Chairman, stated that boulders from the hillside fell onto the tunnel's entrance due to intense rainfall, causing damage to the false frame but not affecting the tunnel's structural integrity.
Despite these claims, experts questioned the adequacy of the existing protection measures. The slope above the tunnel had been stabilized using rock bolts, steel mesh, and other rockfall protection measures. However, the boulders that fell originated from nearly 150 meters above the protected portion of the slope, raising concerns about the effectiveness of the mitigation strategies.
The incident has sparked political debate, with opposition parties criticizing the government's preparedness and the quality of construction. Maharashtra Congress President Harshvardhan Sapkal remarked, "With the very first rain, the 'Infra Man' has become a 'Disaster Man'!"
This disruption underscores the challenges of constructing infrastructure in monsoon-prone regions and highlights the need for robust engineering solutions to withstand extreme weather events.