A Study on the Effect of the Lamp Position of Traffic Signal Lights on Right Turn Behavior

Abstract

In this study, we analyzed the right-turn behavior in an intersection due to the difference in the installation positions of far and near signal lamps by experiments using a driving simulator. As a result of the experiments, there was no significant difference between far and near signal positions in the clearance time at the time of signal switching and the critical gap calculated from the gap selection behavior at the time of green light, and there was also no significant difference in the number of times the accelerator pedal was depressed. It was suggested that the signal position does not have a significant effect on the right turning behavior. On the other hand, in the analysis of the gaze point when waiting for a right turn after approaching, some subjects gazed at their front signal lamp most in far position, but in near position without the front signal light, they changed to gaze at the approaching vehicle in front. It was suggested that they are encouraging safe safety confirmation actions. It was also shown that the driver's passive driving characteristics affect these differences in gaze characteristics.