The autoroute (, highway or motorway) system in France consists largely of toll roads (76% of the total). It is a network of of motorways as of 2014. On road signs, autoroute destinations are shown in blue, while destinations reached through a combination of autoroutes are shown with an added autoroute logo. Toll autoroutes are signalled with the word péage (toll or toll plaza). Length Numbering scheme Unlike other motorway systems, there is no systematic numbering system, but there is a clustering of Autoroute numbers based on region. A1, A3, A4, A5, A6, A10, A13, A14, A15, A16 radiate clockwise from Paris with A2, A11, and A12 branching from A1, A10, and A13, respectively. A7 begins in Lyon, where A6 ends. A8 and A9 begin from the A7. The 20s are found in northern France. The 30s are found in eastern France. The 40s are found near the Alps. The 50s are in the southeast, near the French Riviera. The 60s are found in southern France. The 70s are found in the centre of the country. The 80s are found in western France. Named routes Autoroutes are often given a name, even if these are not very used: A1 is the autoroute du Nord (Northern motorway). A4 is the autoroute de l'Est (Eastern motorway). A6 and A7 are autoroutes du Soleil (Motorways of the Sun), as both lead from northern France to the sunny beach resorts of southern France. A8 is named La provençale as it cross the geographical region of Provence. A9 is named La Languedocienne as it crosses the geographic region of Languedoc A10 is named L'Aquitaine because it leads to Bordeaux and the region Nouvelle-Aquitaine. A11 is named L'Oceane because it leads to the Atlantic Ocean (Nantes) A13 is named the autoroute de Normandie as it traverses the region Normandy. A16 is named L'Européenne (the European) because it connects Paris with several European destinations such as the Belgium–France border, as well as Calais, which is connected with England. A20 is named L'occitane as it leads to the region Occitanie in south-west France. A21 is named the rocade minière (mining road) because it crosses the Nord-Pas de Calais Mining Basin, the largest mining stub in France. A26 is named the autoroute des Anglais (motorway of the English) as it connects Calais, the main point of arrival for cars and lorries from the UK, before continuing to Troyes, and