Send report to us, if you can't play game or has other problems (try reload page again)
Use the←mouse button to interact with lights.
Gridlock is a 3D simulation game that you should control your mouse skill carefully. Your mission is to help every driver be safe. Actually, you have accepted an exciting and challenging job. You are asked to manage everything on the road, especially vehicles. You are able to make cars stop or go on by using traffic lights. You should turn on or off these items properly or those means will crash into each other. If you let that happen, you will lose. Good luck!