It was along this new route that the Wienerwald Tunnel, which is the single biggest engineering structure, was constructed to convey the line across the Wienerwald mountain range. Its construction facilitate the movement of trains traversing the Westbahn to call at Wien Hauptbahnhof, the recently completed central station serving Vienna.
It was along this new path that the Wienerwald Tunnel, which is the largest engineering undertaking, was constructed to cross the Wienerwald mountain range. Its construction allowed for the movement of trains on the Westbahn line to stop at Wien Hauptbahnhof, a central station serving Vienna.