Assessing sustainability impacts of route guidance system under cooperative vehicle infrastructure environment

The sustainability impacts of route guidance system under the cooperative vehicle infrastructure environment were examined under the various market penetration rates of equipped vehicles at 0%, 5%, 25%, 50%, 75%, and 100%. To evaluate the impacts, this study used an advanced simulation test-bed enabling car-to-car and car-to-infrastructure communications based on a microscopic traffic simulation model, VISSIM and a microscopic emission and fuel consumption model, VT-Micro. The simulation results indicated that the route guidance system under the cooperative vehicle infrastructure environment improves air qualities and fuel consumption 10–18% compared to base case.