The ATMB company, Mont Blanc Autoroutes and Tunnel has existed under the current name only since 1996 but its history started in 1957. Read about the key dates in the history of ATMB.
The STMB Mont Blanc Tunnel company was created.
Charles de Gaulle and Giuseppe Saragat inaugurate the Mont Blanc Tunnel.
The Government decides to build the Autoroute Blanche (A40) and confers the project to STMB
The first section of the Autoroute Blanche is opened.
STMB becomes ATMB (Mont Blanc Autoroutes and Tunnel).
On the 24th of March the fire in the Mont Blanc Tunnel claims 39 victims. A monument is erected to their memory on the access road to the Tunnel.
ATMB and SITMB (Italian Mont Blanc Tunnel company) create the GEIE-TMB (European Mont Blanc Economic Interest Group) responsible for the management of the installation as a single unit.
ATMB and SITMB invest 400 million euros to create a new tunnel which becomes a world reference in terms of security The construction is progressively opened to traffic.
The new Eloise Autoroute Blanche(A40) centre is inaugurated.
The government confers the management and maintenance of the Route Blanche (RN205) to ATMB.
The Fayet intervention centre is reinstated to maintain the Route Blanche (RN205).
The first High Quality Environmental ® motorway management centre is inaugurated in Bonneville.
The customer Service Centre opens its doors in Nangy to deal with the high demand in electronic tolls.