Let's say you're driving to a destination that is say, ten blocks north and ten blocks west. Let's further say that all of the streets in the 10x10 grid are pretty homogenous, so there is no "fastest route".
Suppose you're headed north. As you are about say, 8 seconds away from the intersection, the light at it turns yellow.
Do you make your decision whether to continue straight or turn left based on whether the upcoming intersection has an advanced left turn light?
If so, you drive like me.