MOTORWAY MAINTENANCE PROJECT A1 EFFRETIKON – OHRINGEN
June 18, 2021 2:59 pmA 12 km stretch of the A1 motorway between the exits Effretikon and Winterthur Ohringen is to be refurbished. Moreover,... View Article
A 12 km stretch of the A1 motorway between the exits Effretikon and Winterthur Ohringen is to be refurbished. Moreover,... View Article
During peak hours, the motorway section between Winterthur Ohringen and Oberwinterthur is highly congested. To ensure a stable flow of... View Article
In the future, through traffic will bypass Aarwangen on a new road west of the town. The NISTRA evaluation tool,... View Article
All sections of the Swiss motorway network need to be regularly maintained. Corrective maintenance measures for the A14 motorway section... View Article
Steady growth in traffic is causing more and more congestion on Swiss motorways. The «Programme to Eliminate Bottlenecks on the... View Article
The 162 m long Töss Bridge between Winterthur Töss exit and Winterthur Wülflingen exit was renovated between March 2014 and... View Article
R+R has carried out a research study on behalf of the Swiss Association of Road and Traffic Professionals (VSS) on... View Article
The northern Zurich bypass between the Limmattal interchange and the Zurich North junction became operational in 1985. Today, the traffic... View Article
The 30-year old Limmattal interchange – Schlieren exit section of the A1 motorway features six lanes and has a length... View Article
The short motorway section between Schlieren exit and Europa bridge is situated exclusively in a heavily urbanised environment. The four... View Article
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We are delighted to welcome Maria as a new member of the R+R staff and wish her every success in her new role.
Maria holds an MSc in Civil Engineering (Geotechnical Engineering/Construction and Maintenance Management) from ETH Zurich, as well as a BSc in Civil Engineering (Honours, cum laude) from the Universidad de Los Andes in Bogotá, Colombia.
Thanks to her many years’ experience in client representation, tunneling and underground construction, procurement, and operational and strategic project management, she is an excellent addition to our R+R-Team’s consultancy and technical expertise.
Renato Käppeli / Stefan Isler
Over the past two years, we have supported the Federal Roads Office (FEDRO) as project-owner support unit in the development of the maintenance concept (EK) for the ZOK project.
In addition to renewal work, smaller, targeted improvements to enhance traffic safety and traffic flow were also examined.
A particular challenge in this demanding project was the dense population and high traffic volume in the vicinity of Zurich Airport.
Approval for the EK has been granted, and we look forward to supporting the next project phases.

On April 23rd, 2026, the Federal Department of the Environment, Transport, Energy and Communications issued planning approval for the "N06.32 EP Muri – Rubigen" maintenance project on the A6 motorway to FEDRO’s Thun branch. If no objections are received, the next phase of the planning process can be started. Actual maintenance work on this section of the motorway as well as on the Worb feeder road will be carried out from 2029 onwards.