Under which condition is the road likely to be more slippery?

The condition in which the road is likely to be more slippery is when it rains for the first few minutes. This is because, during this initial period, rain mixes with the oil and dirt that has accumulated on the road surface, creating a slick layer that can significantly reduce traction for vehicles. As the rain continues, the water washes away much of the oil and debris, thereby improving the grip of tires on the roadway.

Ice creates a very slippery surface as well, but it is generally a well-known hazard, and drivers are often more cautious when ice is present. Foggy weather primarily affects visibility rather than traction, while sunny conditions typically present no immediate traction issues on dry roads. Understanding these conditions can help in anticipating road hazards and adjusting driving behavior accordingly.