N1 National Highway, Renewal Lenzburg-Birrfeld
Project
- Renewal of the freeway section from Lenzburg to the Birrfeld junction (approx. 10 km)
Helbling services
- Review and revision of the project handbook
- Definition of processes Change order management
- Second opinion for controversial planner and contractor addenda
Key project figures
- Investment costs: approx. CHF 210 million
- 4-lane freeway section, approx. 10 kilometres
- Realization: 2010 - 2013
- Helbling processing period: From 2010
Customer: Bundesamt für Strassen ASTRA

