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The A89 autoroute is an autoroute in central France. It is known as the La Transeuropéenne. It connects Bordeaux (from Libourne) and Lyon (at Limonest) via Clermont-Ferrand. Its total length is 544 km (338 mi). The project started in 1991 and was completed in 2018. It is composed of a new road construction and the re-use of a large part of the A72 built in the 1980s. The autoroute has taken the number of the national road it runs along, the N89. Of the 544 kilometers in service: 167 km is between Libourne and Brive, 175 km between Saint-Germain-les-Vergnes and Combronde and 143 km between Clermont-Ferrand and Limonest. It is a concession of the Autoroutes du Sud de la France with the exception of the last section, 5 km between La Tour-de-Salvagny and Limonest was conceded to Autoroutes Paris-Rhin-Rhône. In order to ensure the continuity of the numbers, following the opening of the section between the Saint-Julien-Sancy interchange and the Combronde junction in early 2006, the common core of the A71 motorway now bears both names (A71-A89), while the A710 and A72 autoroutes between Clermont-Ferrand and Balbigny, have been renamed the A89. From Wikipedia
