The A75 is an autoroute (motorway) in France.
Known also as la Méridienne, it is a developmental project aiming to speed up, and reduce the cost of car travel from Paris to the south of France. Apart from the Millau Viaduct, it is free for the entire 335 km (208 mi) between Clermont-Ferrand and Béziers. It was not due to be finished until spring 2011, but was fully opened in December 2010. South of St. Flour there are views of the Garabit viaduct.
The Massif Central (French pronunciation: [masif sɑ̃tʁal]) is a highland region in south-central France consisting of mountains and plateaus. It covers about 15% of mainland France.
Subject to volcanism that has subsided in the last 10,000 years, these central mountains are separated from the Alps by a deep north–south cleft created by the Rhône river and known in French as the sillon rhodanien (literally "Rhône furrow"). The region was a barrier to transport within France until the opening of the A75 motorway, which not only made north–south travel easier but also opened access to the massif itself.