Final answer:
The proper procedure when a traffic light turns red is to stop your vehicle. There are rare instances, such as a medical emergency with a pregnant woman, where breaking this rule could be seen as morally defensible if it is necessary to save a life and conditions are safe. However, traffic laws aim to protect all road users, including pedestrians, and should be followed.
Step-by-step explanation:
When a traffic light turns red, the proper procedure is to stop your vehicle in a safe and timely manner. This rule is critical for maintaining order and safety on the roadways. In typical circumstances, every driver must comply with this regulation to prevent accidents and ensure the safety of all road users, including pedestrians.
However, there are exceptional situations where breaking this rule might be morally defensible, such as when a pregnant woman in the vehicle is about to deliver and requires immediate medical attention. If at 4 AM, the roads are visibly clear, and no other cars are around, a driver might determine that the utility of running the red light to reach the hospital quicker outweighs the risk of following standard traffic laws. Still, this is generally an illegal and potentially dangerous act, and doing so would usually be under the assumption of a dire emergency where saving a life is at stake.
It is important to note that traffic laws are designed to control the flow of traffic and enhance pedestrian safety. In a situation with an ambulance or other emergency vehicle, one should safely come to a complete stop to allow the emergency vehicle to pass.