Hello, hoping here someone can help. Can you get evidence for whether someone had an advanced green at an intersection? My dad was making a right turn on a red (after stopping) into a plaza parking lot. He got hit by someone making a left turn from the opposite lane. The driver told the officer called to the collision that he had an advance green. My dad said he came out of nowhere which makes me question whether he in fact had the advance green. We went to the intersection another day around the same time of the accident to check how the lights changed. In some instances, there was no advance green, in other cases there was. We asked at a police station about how the lights function at that particular intersection. They weren't able to tell us but said that the advance green is sometimes activated by the number of cars waiting. In which case my dad would have seen the cars waiting to turn. We are contemplating going to trial with this as my dad did nothing wrong. I wanted to know whether there is some way definitively find out if the guy who hit my dad in fact had an advance green. Thanks a lot!