Mont Blanc tunnel

**Mont Blanc Tunnel**
	road tunnel connecting France and Italy Entrée du tunnel du Mont-Blanc, côté français.
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Instance of	road tunnel; international tunnel; base tunnel; toll tunnel;
Part of	France–Italy border;
Location	Haute-Savoie; Aosta Valley; France; Italy;
Has use	road;
Operator	Autoroutes et tunnel du Mont-Blanc; Q3459653;
Maintained by	Autoroutes et tunnel du Mont-Blanc; Q3459653;
Crosses	Mont Blanc massif;
Carries	Route nationale 205 (France, 1978–); State road 26 dir (Italy); European route E25;
Inception	1965;
Date of official opening	19 July 1965;
Significant event	closure (fire of the Mont Blanc tunnel, 1999–2002); fire of the Mont Blanc tunnel (1999–1999); construction (1957–1965);
Diameter	8.6 m;
Length	11.611 km;
Elevation above sea level	1,274 m (Chamonix-Mont-Blanc); 1,381 m (Courmayeur);
	official website
	45° 50′ 48.23″ N, 6° 55′ 16.97″ E
Authority file
	Q323310; VIAF ID: 148577329; Library of Congress authority ID: sh2005004866; IdRef ID: 028889460; BabelNet ID: 00910495n; J9U ID: 987007561686905171; Structurae structure ID: 20003177
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