What factors influence your choice of a safe speed on a steep downgrade?

Choosing a safe speed on a steep downgrade is primarily influenced by the total weight of the vehicle and cargo. Heavier vehicles require more time and distance to come to a stop, especially on an incline, increasing the risk of losing control if the speed is not managed appropriately. The weight affects both braking power and the gravitational force acting on the vehicle; as the vehicle descends, the added weight can lead to a higher potential for speed if not properly controlled.

While factors such as the presence of other vehicles, the distance to the bottom of the hill, and the time of day can contribute to decision-making, they do not have as direct an impact on the fundamental mechanical considerations of safe braking and handling on downgrades as does the total weight. Understanding the weight of the vehicle and cargo is crucial for determining the appropriate speed that ensures safety and control.