Final answer:
Pedestrians have the right of way in both marked and unmarked crosswalks at intersections to ensure pedestrian safety. Traffic signals contribute to this safety by guiding when it is safe to cross.
Step-by-step explanation:
Pedestrians have the right of way over vehicles both when the pedestrian is in a marked crosswalk and when in an unmarked crosswalk at an intersection. This means that pedestrian safety must be prioritized, and drivers are required to yield to pedestrians under these circumstances. The presence of crosswalks, whether marked or unmarked, serves as a signal for drivers to be vigilant and cautious to accommodate pedestrian traffic. Additionally, traffic signals can further enhance pedestrian safety by providing clear indications of when it is safe for pedestrians to cross, thereby reducing the need to dodge traffic. It is crucial for both pedestrians and drivers to understand and adhere to these rules to ensure everyone's safety on the roads.