A free app for Android, by Ten Percent Red.

Traffic jams happen everywhere in the world. In fact, traffic congestion has worsened so much since the 1950s, considering the number of vehicles that have taken the road. But if you fix the road crisis, would you? If you answered yes, you can do it in this game.

Road Crisis is a game where you manage extreme traffic by changing the lights, keeping the intersection crash-free, and avoiding jams. You can also unlock vehicles, including taxis, buses, police mobiles, ambulances, and more.

It is a 3D game with intuitive controls, so you do not need prior knowledge before enjoying this program.