Study of lane change behavior of tollway users to stop vehicle

Abstract

Don Muang Tollway (DMT) elevated road provides recue units and traffic management teams in the case of accidents and incidents mitigation. During the rescue operation, traffic lane enclosure devices such as traffic cones are provided. Recue vehicles are equipped with strobe lights and siren. The strobe lights are running all the time during rescue operation. However, secondary accident can be happened all the time. It used to happen before. So, lane change distance has been studied in this research. The distance is long enough for the corresponded approaching speed or not. Results shown that without strobe light, the distance is about 124 meters. The distance is increased to 165 meters with the proper lights. However, this lane change distance is still not enough for stopping sight at current the approaching speed. Advance warning should be provided over the existed matrix signs.