Perspective on the reliability behavior of intelligent transport systems during the transition phase from legacy vehicles to autonomous and connected ones: four-road intersections as a case study

We can find in the literature many research papers and technical reports tackling various problems related to the Autonomous Vehicles (AV) and Vehicle to everything (V2X) paradigms. However, safety guarantee of these technologies is the most critical problem to deal with because of its direct relation with human life. On one hand, we can find fewer works than the former, regarding the jointly study of the situations related to both AV and V2X. On the other hand, at our best of knowledge, there is no work investigating reliability in the transition phase when just a few of the Connected Autonomous Vehicle (CAV) are part of the traffic road. In this paper we explore this research gap, by analyzing and evaluating reliability of various CAV densities in the special case of four road intersection and for low traffic density. The results show that the convergence speed of reliability functions series to the reliability function of the system when only CAV populate the roads are not constant. This leads to the need of establishing solutions for the transitional phase to accompany the penetration process of the CAV in the automotive market.