Project Description: This project - the modern traffic light 2.0 can avoid a lot of people from crashing on the road with one and another. It has a ton of functions and costs way less than the traffic lights you see today. This traffic light can let colourblind people drive a car easier. They can hear the loud sound which is very convenient to them. this only needs one lightbulb that can change colour rather than three light bulbs. It can also help the elderly to cross the road. It also can remind the people who not concertrate driving.