Naturalistic driving data collection to investigate into the effects of road geometrics on track behaviour

摘要

Road designers assume that drivers will follow the road alignment with trajectories centred in the lane, and move at the design speed parallel to the road centreline (i.e., the horizontal alignment). Therefore, they assume that if the horizontal alignment indicates the "designed trajectory", the driving path indicates the "operating trajectory". However, at present, they do not have the necessary tools to measure the relationship between the designed alignment and possible vehicle trajectories.