| Summary: | Vertical signs shall be located on the road according to a proper signalling plan, capable of providing relevant information to drivers in a harmonious, integrated and effective way. To achieve these targets, it is essential to investigate how road users look and perceive vertical signs while driving. For this purpose, an experimental research project was carried out onsite which involved 22 road users, driving on a road stretch comprising different types of vertical signs. By the use of an innovative eye-tracking device, capable of tracking human eye and its movements, it was possible to continuously record the glance aiming point of each road user, obtaining a detailed analysis of driver/ vertical signs interaction.
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