Impact of Speed Guidance on Vehicle Exhaust Emissions at Signalized Intersections Based on Microscopic Simulation

摘要

When reaching the intersection, driving conditions of vehicles always change among acceleration, deceleration, idling, resulting in increasing fuel consumption and emissions dramatically. This paper proposes a vehicle speed guidance system to make consumption and emission become the minimum based on real-time signal state, vehicle location and speed when vehicles through the intersection. A simulation study is implemented for the intersection of Caoan Road and Lvyuan Road in Shanghai and the study results show that there is a significant effect under different traffic flow. Better results can be obtained in high saturation.