Similar is planned for Nürnberg with an 1.8km tunnel with green roof: http://www.nuernberg.de/internet/soer/frankenschnellwegplaene.html http://www.nuernberg.d

Similar is planned for Nürnberg with an 1.8km tunnel with green roof: http://www.nuernberg.de/internet/soer/frankenschnellwegplaene.html http://www.nuernberg.de/internet/soer/frankenschnellwegplaen... The plans are currently lying at court because of some opponents.