Abstract
Over the past century, there has been rapid increasing in urbanization everywhere worldwide. People and vehicles movement have always been critical to the quality of life around the world. This development causes some challenges in several main aspects of cities, including mobility systemsThis study mentions the current smart implementations in Riyadh city, Saudi Arabia, focusing on its effectiveness in raising the level of traffic safety by reducing traffic accidents. The statistical data of traffic accidents was used in different spots through two main roads: Abi Bakr Assiddiq and Al Urubah roads during two different years (2016 and 2018). Comparing the accidents data shows a significant decrease in the number of traffic accidents that occurred in the selected study areas. Accordingly, most of the study sites indicate that smart applications in urban cities have positive effects on the level of traffic safety by reducing road traffic accidents.