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The title of this project is I-ROSS that means Intelligent Road Safety System. This system focuses on four main elements, namely the design of traffic light systems, street lights, pedestrian BRIDGE and car driving safety. Traffic lights have played an important role in traffic regulation since their invention more than a century ago. Today, they are ubiquitous in cities around the world, guiding drivers, pedestrians and cyclists safely and efficiently. The conventional traffic light system consists of a light pole structure displaying a three-color arrangement of lights. There is a white line to guide drivers to stop at the traffic light intersection so that the position of the car does not exceed the traffic light pole. Traditional traffic light control is carried out at fixed intervals and cannot be dynamically adjusted according to actual traffic conditions. Smart traffic lights can monitor traffic flow and pedestrian flow on the road in real time by using sensors and other equipment, and intelligently adjust the length and timing of the traffic lights according to actual conditions, thereby better adapting to changes in traffic flow and improving traffic efficiency. To address issues at traffic light intersections, improvements have been made such as replacing the white lines with automatic barriers and changing the traffic light color system to a rotating timer display.

Furthermore, accidents often occur at traffic light intersections due to drivers who speed through the traffic lights. Therefore, to address this, cars have been modified by being equipped with color sensors and distance sensors to help reduce accidents at traffic light intersections. Next, a pedestrian bridge, also known as a footbridge, is a structure designed specifically for pedestrians to cross obstacles like roads, railways, or waterways. These bridges can range from simple boardwalks to elevated structures, and they play a vital role in ensuring pedestrian safety and efficient traffic flow.  Furthermore, footbridge now required people to climb stairs and walk a long distance to cross busy roads. This is not suitable for the elderly, the disabled people (OKU) and children. Therefore, to overcome this problem, the pedestrian bridge is being modified to be more user-friendly and to ensure the safety of users crossing the road using the pedestrian bridge. Next, the issue of accidents that frequently occur at night or during rain due to dark and foggy roads. To overcome this problem, an automatic street lights was designed to improve visibility, safety, and energy efficiency on roads, especially at night and during bad weather. It was equipped with solar panel that charge during the day, allowing the lights to operate independently from the electrical grid, especially useful in remote or rural areas.

 Table 1 shows suggestions for improvement on road safety system

table 2 comparison between the current road safety system and the intelligence road safety system