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| A71 (Germany) | |
|---|---|
| Country | DEU |
| Route | 71 |
| Length km | 256 |
| Established | 2005 |
| Terminus a | Südharz |
| Terminus b | Saaletal |
| States | Thuringia; Bavaria |
A71 (Germany) is an autobahn in central Germany linking the Harz region with the Thuringian Forest and the Franconian Saale valley, traversing key corridors between Braunlage, Erfurt, Suhl, Coburg and Saalfeld. The route provides strategic motorway connections to the Bundesautobahn 4, the Bundesautobahn 9 and the Bundesautobahn 73, integrating with federal trunk roads such as the Bundesstraße 4 and the Bundesstraße 85. It passes notable infrastructure and natural features including the Hainich National Park, the Unstrut River, the Thuringian Forest, and the Rhön Mountains.
The A71 begins in the north near the Harz Mountains region and proceeds southward through Thuringia, skirting the western edge of Sangerhausen and crossing the Unstrut and Saale catchments before reaching the Thuringian Basin and the city of Erfurt. South of Erfurt, the motorway tunnels beneath or near the Hörselberge and traverses the Thuringian Forest via the prominent Rennsteig corridor, using major engineering structures such as the Froschgrundsee embankment and the Rothenbachkopf viaduct near Suhl. The southern sections connect to the Bavarian network around Coburg and terminate toward Saalfeld where links to the A9 and regional routes provide access to Nuremberg, Leipzig, and the Franconian Forest.
Initial planning for a north–south corridor through Thuringia dates to post-war German transport studies influenced by proposals from the Bundesverkehrswegeplan and infrastructure priorities set after German reunification, with early feasibility studies involving the Deutsche Bundesbahn and regional authorities in Thuringia and Bavaria. Construction phases were carried out across the 1990s and 2000s, influenced by environmental reviews involving agencies such as the Bundesamt für Naturschutz and consultations with the European Commission under the Habitat Directive. Sections opened progressively, with major ceremonies attended by officials from the Federal Ministry of Transport and Digital Infrastructure, state ministers from Erfurt and Munich, and representatives of contractors including HOCHTIEF and Bilfinger. Controversies during planning involved local advocacy groups from Suhl, conservationists near the Hainich, and litigation referencing provisions of the Baugesetzbuch.
Key interchanges include the northern junction with the A38 corridor near Sömmerda, the interchange with the A4 near Erfurt-West providing access to Frankfurt am Main and Dresden, and the southern connection to the A9 near Bayern. Other important exits serve urban nodes such as Suhl, Ilmenau, Hildburghausen, Coburg, and rail hubs at Erfurt Hauptbahnhof and Saalfeld (Saale). Freight and passenger routing options at junctions link to regional lines of the Deutsche Bahn network and to federal roads like the Bundesstraße 247 and the Bundesstraße 4.
Traffic volumes on the A71 vary from commuter-heavy flows around Erfurt and Suhl to freight-dominated segments serving industrial zones near Coburg and logistics parks influenced by companies such as DHL and DB Schenker. Annual average daily traffic statistics collected by the Bundesanstalt für Straßenwesen indicate peak loads on holiday weekends associated with travel to the Harz and Franconian Switzerland regions, and seasonal patterns tied to events in Erfurt like the Erfurt Christmas Market. Safety and enforcement activities are coordinated with state police forces of Thuringia and Bavaria and with agencies responsible for the Autobahnpolizei.
Major construction works included extensive tunnelling and viaduct construction contracted to firms with experience from projects such as the Tunnelbohrmaschine deployments on the Gotthard Base Tunnel and bridge projects comparable to the Rügenbrücke precedent. Upgrades have addressed pavement rehabilitation, addition of emergency lanes, and installation of intelligent transport systems (ITS) interoperable with national initiatives led by the Federal Ministry of Transport and Digital Infrastructure. Environmental mitigation during construction used methodologies derived from case studies at the Hainich National Park and monitoring by research institutes such as the Thuringian Institute for Forestry.
Proposals under review in regional transport plans and the Bundesverkehrswegeplan 2030 include capacity improvements at bottlenecks near Erfurt, noise abatement measures adjacent to communities like Meiningen and Hildburghausen, and potential service area expansions similar to facilities on the A3 corridor. Cross-border coordination with Bavarian planners considers integration with freight corridors serving Nuremberg and Leipzig via intermodal terminals associated with DB Cargo. Environmental groups and municipal councils in Suhl continue to participate in consultations about routing adjustments, while funding discussions involve the KfW and federal infrastructure financing mechanisms.
Category:Autobahns in Germany Category:Transport in Thuringia Category:Transport in Bavaria