Final answer:
When driving or walking, continue to the next street or area that allows safe maneuvering if situations like the presence of emergency vehicles or pedestrian traffic risks occur.
Stopping when there is an ambulance ensures safety for all involved. Adequate traffic signals are important for pedestrian safety near busy intersections.
Step-by-step explanation:
It is always preferable to continue to the next street or turn-around area if you encounter a situation that might pose a risk or confusion when driving or walking in a city. Situations could include the presence of emergency vehicles, pedestrians in traffic, or complex city paths.
If you see an ambulance, the best course of action is to stop moving and become stationary till it passes by (option a). It is unsafe and unwise to run toward or alongside the ambulance (options b and c). This helps to clear the way for the emergency vehicle and ensures your safety.
Regarding pedestrians, like the woman pushing a baby stroller or someone walking their dog, focusing on pedestrian safety is crucial. Busy intersections, especially those near campuses where students cross frequently, should have adequate traffic signals to allow people to cross safely at appropriate times.
When considering two-dimensional motion in a city, one must navigate the grid of streets and sidewalks in a manner that may require zigzagged paths, as direct lines are often not possible (reference to Figure 3.2). Pedestrian and driver routes in cities can be complex, emphasizing the importance of traffic rules and safety measures.