San Bernardino (road tunnel)

San Bernardino (Road Tunnel)

San Bernardino (road tunnel)

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Description:
The San Bernardino road tunnel is a road tunnel on the A13 motorway/expressway in southeastern Switzerland, completed in 1967 and replacing the San Bernardino Pass road. It begins near the town of San Bernardino, Graub√ľnden and ends 6.6 km (4.1 miles) north in Hinterrhein.A speed limit of 80 km/h (50 mph) is in force, and this is enforced by means of speed-check cameras. This road tunnel is considerably less prone to traffic jams than the St. Gotthard Tunnel.

The San Bernardino Tunnel is part of the A13 as a single carriageway freeway and therefore passes through one bore without a central physical structure. As there is only one lane per direction, overtaking (passing other vehicles) inside the tunnel is not permitted.

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.

History

In 1967, the long San Bernardino Tunnel was opened as part of the National Road N13 (today A13), between the villages of Hinterrhein and San Bernardino. The tunnel connected Eastern......
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