Verified Answer :

Kalahira

I believe the answer is: B. Within the first hour of rainfall

Within the first hour of rainfall, the road surface in the region would reach its maximum wetness level, which make the road become extremely slippery since there would be a massive reduction in traction. This would increase the likelihood of a collision.

The danger of reduced traction is greatest within the first half-hour of rainfall due to the slippery pavement.

What do you mean by Traction?

Traction is generally the grip between tires and the road.

In the rainy season, reduced visibility is associated with reduced traction. As the moisture reduces the friction, tires lose their grip.  

The danger of reduced traction is greatest within the first half-hour of rainfall because during that time the pavement becomes slippery when the rain mixes with the oil and dust of the road.

Learn more about Traction here:

https://brainly.com/question/12993085

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