Is It a Camera Recognition of Speed Limits?

I'd be very happy to know that my car was keeping an eye on these things. There's till responsibility on the driver to pay attention to the road. These aids have been in cars for years. We are in danger of fearing away from our technology room. It a pc plod does point out, it would be unsafe ifou if your car could not go over a certain point. That's what lemintos due to.