Final answer:
To turn safely, a driver should signal at least 100 meters before the turn, giving other drivers time to react.
Step-by-step explanation:
The recommended distance to signal before a turn is typically at least 100 meters (300 feet) in urban areas, and this distance may be longer on high-speed roads or highways. This distance allows other drivers sufficient time to see your signal and react appropriately, which is crucial for safety. It’s also important to consider factors such as road conditions and the speed at which a vehicle is traveling. For instance, if the road is wet, the distance to signal would ideally be longer because stopping distances can increase significantly on slippery surfaces.
When crossing a road, it’s essential to make sure a car is far enough away to allow for a safe crossing. If, for example, a car is 28 meters away — approximately the length of 8 cars — and it’s approaching at a regular speed without signs of slowing down, it may not be safe to walk across. Always be mindful of the total distance a vehicle covers before it can stop, which includes the driver’s reaction time and the actual braking distance.
If one hears a Doppler shift in an ambulance siren and can tell it’s getting closer, they should prepare to pull over, as this indicates that the emergency vehicle is approaching and the driver should clear the way. Understanding stopping distances, reaction times, and audio cues like siren sounds plays a vital role in both pedestrian and driver safety.