You must stop at a yellow traffic light unless it is unsafe to do so. A yellow traffic light is not an extension of the green light. It is the beginning of a red light. As you approach a traffic light, check your mirror to see if there is a vehicle close behind, so you will know if it will be safe to stop suddenly.
The road rules refresher can help make you aware of gaps or misunderstandings in your road rules knowledge. You can use the free, easy to use tools available on this page to refresh your basic road rules knowledge and be a smarter, safer driver.Road rules are developed for your safety. Make sure you know and follow the road rules at all times.