Rennsteig Tunnel is the longest road tunnel in Germany with a length of 7,916 meters.
The Rennsteig Tunnel is part of the motorway Autobahn A 71 between Gräfenroda and Oberhof in Thuringia. It is also called the Christiane Tunnel for its "godmother" Christiane Herzog, wife of the former German President Roman Herzog.
The tunnel was built between 26 June 1998 and 5 July 2003, when it was opened by German chancellor Gerhard Schröder.
It was part of the traffic project German unity and cost 210 million euros.
Wikipedia https://en.wikipedia.org/wiki/Rennsteig_Tunnel
Coordinates 50°41'33.4" N 10°43'52.198" E
