Alpine tunnel

Tunnel of the Frejus T

Tunnel T4
Tunnel of the Frejus

raforo dl Fr


European Roads

Inauguration	1980
Beginning	Bardonecchia
End	Modane
Length	12,895 km
Regions	Piedmont Savoia ( France )
Toll	Yes

The Tunnel of the Frejus is a gallery he it connects France with Italy. This is set under the Frejus Mountain among the cities of Modane in France and Bardonecchia in Italy and it races parallel to the railway tunnel of the Frejus. It constitutes one of the principal transalpine connections between France and Italy.

Along 12,870 kms, this is entered on call July 12 th 1980 causing the closing of the service shuttle of transport of the automobiles in the railway gallery. This is managed by two societies: a French (SFTRF) and an Italian (SITAF), every for the national line of competence. (The SFTRF had been presided by Pierre Dumas since 1962 to 1989). It is attainable from the Italian slope through l ' highway Turin-Bardonecchia (A32) or the government 335 that salt from Oulx (Ulzio) where it has detached him since government 24, said “of the Monginevro”, and it reaches Bardonecchia after few more than 20 kms. From the French side, it is attainable through Route Nationale or through the Autoroute de the Maurienne, connected to the highway for Lione (A43 in the French numeration). The transit, allowed both to the tourist traffic and commercial, toll is submitted to. In the first 20 years of exercise this is seen the passage of over 20 million vehicles.

Following the accident needed in the tunnel of the White Mountain in 1999, the safety of the gallery has been notably strengthened to the beginning of the years 2000 also imposing the rigid respect of the maximum speed of 70 km/hs and a safety distance of 150 ms among every vehicle. The tunnel has been endowed with the most modern means of signaling of smokes and flames (particular quotation deserves the system D.A.I., that notices through the videocameres set inside the tunnel the deceleration of the vehicles e/o the shine of flames, as well as the presence of smokes) and sensory of survey of the temperatures with devices places along the run to brief distances and checked from a room you command, the P.C.C. (Sets of Centralized Control). It is installed also a system of hydrants (one every 130 meters) fed by able reservoirs of water. They are present along the run 11 shelters, endowed with telephone connections and connected loudspeakers with the room of control and with a duct of ventilation of pure air, separate every from two doors firebreak the more day-pupil of which is automatically closed when the temperature of the gallery in the proximities overcomes one determined temperature. Two portals Graphic-Termo i sites before has finally been realized to the entries able to reveal if in the means in transit they are present generating anomalous situations of heat.

The team fireproof it is composed from four teams of intervention, of which: one on the Italian base; one on that French; two inside the gallery, set both to around 4000 meters from the entrances.

Tunnel of the Frejus - Entered Side Italy

Tunnel of the Monte Bianco

Tunnel T1
Tunnel of the Monte Bianco


European Roads

I nauguration	1965
Beginning	Courmayeur
End	Chamonix
Length	11,6 km
Regions	Valley of Aosta ( Italiy ) Savoia ( France )
Toll	Yes

The Tunnel of the Monte Bianco (in French, Tunnel du Mont-Blanc ) it is a motorway gallery that connects Courmayeur, in the Valley of Aosta (Italy), to Chamonix, in the French department of the Tall Savoia, connecting the region Gnaw-Alps to the Valley of Aosta. These two communities have in common important partner-linguistic bonds and the fact to found their economic development upon a tied up tourism to a territory they climb on only to the world.

This is jointly been built between Italy and France; the jobs of construction had beginning in 1957 and they finished in 1965, the year of the opening. The tunnel is constituted by an unique gallery to double sense of circulation and it represents one of the most greater streets of transalpine transport.

Its length is of 11,6 kms. The longest part is found in French territory: 7.640 ms, against the 3.960 ms in Italian territory. L' altitude is of 1.381 ms on the Italian slope, to the feet of the glacier of the Brenva, while it is reaching fifty-fifty gallery the 1.395 ms, to go down then to the 1.271 ms on the French slope, to the feet of the glacier of the Bossonses.

The road plan of the tunnel is not horizontal, but of concave form to facilitate the outflow of the water. In comparison to the frontier, the tunnel exactly passes under the vertical one (the aplomb) de the Aiguille du Midi, where the thickness of granite coverage reaches the 2.480 ms, measure record for the motorway and railway galleries.

Its height is of 4,35 ms and its width of 8 ms (2x3,5 ms for the passages and 2x0,5 ms of side passage).

For a safety matter, the speed limit has been set to 70 km/hs and the passing is forbidden rigorously.

This is remained for long time the longer motorway tunnel to the world.

From 1965 to 2007 they have transited you 55 million vehicles, with a daily average that wanders to few less than 5.000 in the last years.

Tunnel of the Monte Bianco - Entered Side France

Tunnel of the Monte Bianco - Entered Side Italy

Tunnel of the Gran San Bernardo

Tunnel T2
Tunnel of the Gran San Bernardo


European Roads

Inauguration	1964
Beginning	Saint-Rhémy-en-Bosses
End	Bourg-Saint-Pierre
Length	5,798 km
Regions	Valley of Aosta Canton Vallese ( Switzerland )
Toll	Yes

The tunnel of the Gran St. Bernard (in French, Tunnel du Grand-Saint-Bernard ) it is a long gallery 5798 ms that put in communication the Valley of Aosta with the Swiss canton of the Vallese.

It passes under the homonym alpine pass, sets on the italo-Swiss border, to 2.469 ms of quota and his/her points of entry / gone they are situated in the communes of Bourg-Saint-Pierre (1.918 ms) in Switzerland and Saint-Rhémy-en-Bosses (1.875 ms) in Italy.

The name of the footstep derives from the saint which founded a hospice as I shelter for the travellers, in Swiss territory, in the XI century.

The beginning of its construction happened in 1958 and in alone 6 years him it was able to proceed to its inauguration, happened March 19 th 1964. Its structure is to an only roadway with two passages of march alternated and from Italy it is attainable through the SS27. The transit of the tunnel is subject to the payment of a toll in base to the typology of vehicle.

It was the first open road tunnel through the Alps .

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