Evaluation of 3d crosswalks design

Abstract

In Portugal there are a large number of pedestrian’s road injuries, exceeding the average value of the European rate. One important measure for avoiding pedestrians traffic crashes is the presence of crosswalks. In order to increase crosswalk conspicuity, some countries such as Iceland, Japan and India have already adopted a new system using 3D crosswalk to increase drivers’ awareness. This study intends to evaluate efficacy of 3D crosswalks comparing them with traditional 2D crosswalk. In this study, the driver reaction was evaluated using static images of urban road situations including 2D and 3D crosswalks. For stimuli presentation we used a constant stimuli methodology with two forced choice paradigm. Results seems to show that people take longer to respond to the 3D crosswalk but make more mistakes on the 2D crosswalk, however due to methodological issues that final conclusion can’t be drawn.