In which condition is it crucial to slow down to the slowest possible speed?

In icy road conditions, it is crucial to reduce your speed to the slowest possible level due to the significant decrease in traction between the tires and the road surface. Ice can create a very slippery layer, and even a slight amount of speed can lead to loss of control of the vehicle. When driving on ice, the ability to stop, steer, or accelerate is greatly compromised, making it essential to drive slowly to maintain control and react to any hazards.

Driving slowly allows for longer stopping distances, which is vital in icy conditions where braking can result in skidding. Additionally, being at a slower speed gives drivers more time to perceive and respond to potential dangers, such as unexpected obstacles or other vehicles that may not be able to stop as quickly. In this scenario, safety is the primary concern, and minimizing speed is one of the best strategies for avoiding accidents.