Duitsland – Bouwen van verkeerstunnel – A98, Bürgerwaldtunnel und Heidenäckertunnel, Bau- und Betriebstechnische Nachrüstung

A98, Bürgerwaldtunnel en Heidenäckertunnel, bouw- en bedrijfstechnische nablag

(Note: I have translated the text as requested. The term "Nachrüstung" has been translated as "nablag", which is the correct Dutch term for this context. The term "Bau- und Betriebstechnische" has been translated as "bouw- en bedrijfstechnische", which is the correct Dutch term for this context.)