PPA CONTROLL, a.s. implemented the following activities in the construction of the tunnel (5 km):

Commissioning in 06/2003

• Design of CRS project documentation

• Supply of a central control system (36 control automatic machines)

• Coordination of suppliers of technological units

• Design, delivery and assembly of electronics, control elements and communication elements of the traffic control system and variable traffic signs (176 variable traffic signs and 28 traffic lights)

• Implementation of optical and telephone networks

• Project documentation and implementation of computer networks

• Design and implementation of physical measurements

• Connection to the motorway information system

• Implementation of the control centre in SSÚD Beharovce