Over 200,000 Noise Barriers Installed Along Mumbai-Ahmedabad Bullet Train Route to Enhance Quiet, Scenic Journeys

Over 200,000 noise barriers have been installed along a 100 km stretch of the Mumbai-Ahmedabad Bullet Train route, according to the National High Speed Rail Corporation Ltd (NHSRCL). These barriers are designed to reduce noise from the train while allowing passengers to enjoy scenic views, ensuring a quiet and pleasant journey.

The barriers use advanced Shinkansen technology from Japan and are made of concrete panels, each 2 meters tall and 1 meter wide, placed on both sides of the elevated viaduct. These panels are specifically designed to handle the noise challenges of high-speed rail operations.

The train generates noise as it interacts with air (aerodynamic noise) and as its wheels run on the tracks. The barriers work by reflecting and dispersing this sound, effectively reducing noise pollution.

In urban and residential areas, taller barriers are being used, with a 2-meter concrete base topped with an additional 1-meter transparent polycarbonate panel, making the total height 3 meters. This ensures quieter surroundings for nearby communities while preserving the beautiful views for passengers.

The bullet train itself is designed to minimize noise. It uses a double-layer aluminum structure that reduces internal noise levels. Its long, pointed nose also helps cut down on loud pressure waves when the train exits tunnels.

Out of the 508 km route of the Mumbai-Ahmedabad High-Speed Rail (MAHSR) line, over 465 km will run on elevated viaducts, ensuring smooth operations and reduced noise impact along the way.