Directly next to the Tunnel de Revenez is a very steep slope made of large, loose rock blocks which endangered the railway line lying directly below.
To protect the railway line, Martigny-Châtelard and the road lying next to it, 650 m² of SPIDER® S3-130 was installed. Also installed, was a 3 m high, 24 m long, RXE-500 rockfall barrier.
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