Infrastructure

When a driver enters a tunnel, he expects only one thing – to cross safely to the other side. To do this, he must…

The Višňové Tunnel is today just a few minutes' stretch of highway for drivers. However, behind this short passage lies an extensive technological system,…

Building and facility management is no longer just about maintenance, repairing broken equipment, or ensuring regular inspections. Modern facility…

Tunnels today are not just highway construction sections. They are closed, technologically-charged structures that face extreme demands on their…

The showroom at the Bratislava headquarters of the PPA CONTROLL group is celebrating its fifth anniversary. You can see and try out how variable traffic signs work on…

At first glance, it looks like driving through a hole in the hill, but the reality is much more complicated. Every road tunnel hides…

The Slovak highway network is slowly becoming denser, but the engineering works such as tunnels and bridges that are being built on the roads are state-of-the-art...

For almost a year, the subsidiary PPA CONTROLL, as, has been working on the modernization of the western section of the D1 motorway. Experts from PPA INŽINIERING, s.…

The experience and know-how of the PPA CONTROLL group are also chosen by investors from the world of sports. We were the supplier of services for the reconstruction of the water park complex…

Modern LED variable traffic signs are an essential tool for controlling and directing traffic on highways and in road tunnels. The key importance is played by…