I'm sorry, but I do not have information on a game called "Traffic.io". However, there are several popular games that involve traffic and driving. Here are a few examples:
Traffic Racer: This is a mobile game where players control a car and try to drive as far as possible without crashing. The game features various modes and challenges to keep the gameplay interesting.
Traffic Slam 3: This is a 3D driving game where players control a vehicle and try to cause as much destruction as possible by crashing into other cars and objects.
City Car Driving: This is a realistic driving simulator that allows players to practice driving skills in various scenarios, such as city streets, highways, and parking lots.
Bus Simulator: This is a simulation game where players take on the role of a bus driver and navigate through traffic while picking up and dropping off passengers.
Need for Speed: This is a popular racing game series that features high-speed cars, intense chases, and thrilling races. The series includes various modes and challenges to keep the gameplay fresh.
I hope this helps you find the kind of game you're looking for!