In 1996, a new U-Bahn contract, known as the "30 billion package", was settled.
For the first time in Europe, a U-Bahn project had to undergo a costly and lengthy environmental impact assessment, as the U2 extension showed a length of more than 10 km (6.2 mi).
This expansion phase involved:
In 1996, a new U-Bahn contract, known as the "30 billion package", was settled. For the first time in Europe, a U-Bahn project had to undergo a costly and lengthy environmental impact assessment, as the U2 extension showed a length of more than 10 km (6.2 mi). This expansion phase involved:
Vienna U-Bahn