Now when CJ exceeds the speed limit, he will go to jail. To activate the script, press the combination: T+I. When the script is activated, you will see a message on the screen. After activating the script, you need to drive without exceeding: 120 km/h. When you exceed, the car will stop, and a cop on a bike will drive up to you, after a short conversation, you will go to jail for 11 seconds. After that, you will need to re-activate the script.
And to keep track of your speed, you can choose and download speedometer.