France dominated by domestic brands such as Renault (27% of cars sold in France in 2003), Peugeot (20.1%) and Citroën (13.5%). Over 70% of new cars sold in 2004 had diesel engines, far more than contained petrol or LPG engines. France possesses the Millau Viaduct, the world's tallest bridge, and has built many important bridges such as the Pont de Normandie. There are 464 airports in France. Charles de Gaulle Airport, located in the vicinity of Paris, is the largest and busiest airport in the country, handling the vast majority of popular and commercial traffic and connecting Paris with virtually all
Millau Viaduct conditions (fatigue, density, texture, adherence, anti-rutting etc.). The 'ideal formula' was found after two years of research. The electrical installations of the viaduct are large in proportion to the size of the bridge. There are of high-current cables, of fibre optics, of low-current cables, and 357 telephone sockets; allowing maintenance teams to communicate with each other and with the command post. These are situated on the deck, on the pylons, and on the masts. The pylons, road deck, masts, and cable stays are equipped with a multitude of sensors to enable structural health monitoring. These are designed to detect the