Final answer:
At intersections, crosswalks, and railroad crossings, you should always look both ways before crossing and stop and wait for the signal to proceed if there is a traffic signal or pedestrian crossing signal present.
Step-by-step explanation:
At intersections, crosswalks, and railroad crossings, you should always look both ways before crossing. This is an important safety precaution to ensure that there are no oncoming vehicles or trains that could pose a risk to your safety. By looking both ways, you can assess the situation and make an informed decision about when it is safe to cross. It is also important to stop and wait for the signal to proceed if there is a traffic signal or pedestrian crossing signal present. This ensures that you are following the designated rules and regulations for crossing the road safely.