![ViaZone05](https://fardata.pl/wp-content/uploads/2020/04/ViaZone05.jpg)
ViaZone – traffic harmonisation
ViaZone system installed on a narrowed section of the D5 motorway near Pilsen. The final test, carried out by Ředitelství Silnic a Dálnic ČR, proved the effectiveness of the harmonisation of the flow of cars at the roadworks.