Originally Posted by
wphamilton
In just a few states you can't even enter on yellow.
So is precognition a requirement for driving in those states? How is the driver/cyclist supposed to know that the green light he's approaching is about to switch to yellow just before he crosses the stop line and enters the intersection. Some vehicle codes indicate that yellow is an indication to stop if possible but I'd be very surprised if any had a blanket prohibition on entering an intersection on a yellow light.