The Považský Chlmec TunnelD3 Motorway between Žilina (Strážov) and Žilina (Brodno) - operating since... The Bôrik tunnelPPA CONTROLL, a.s. implemented a complete technological part of the... The Branisko tunnelPPA CONTROLL, a.s. implemented the following activities in the construction... The Horelica tunnelPPA CONROLL, Inc. implemented complete technological part of the Horelica... Tunnel control simulatorSimulator for tunnel equipment and central control system Simulation of incidents...