Safety Concerns
A major tunnel fire between France and Italy in 1999 triggered a general safety review of road tunnels in several countries including Switzerland. In September 2007, the San Bernardino Tunnel saw the completion of a major safety upgrade. Lighting has been increased and become more evenly diffused, with a corresponding improvement in visibility. Particular care has been taken with the visibility of access points to the reworked escape tunnel, minimizing the risk of escape routes becoming obscured by smoke in the event of a major conflagration.
Read more about this topic: San Bernardino (road Tunnel)
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