What danger can arise during daylight when a driver enters an area that is heavily shaded by overhanging trees?

Visibility could suddenly be reduced.
The vehicle’s windscreen could fog up.
The tyre pressure could be reduced.
The vehicle engine could suddenly run cold.

Explantion: When you enter a heavily shaded area after driving in bright sunlight, it might take a while for your eyes to adjust to the change, and you might not see a hazard immediately ahead.

Theory Tester

What danger can arise during daylight when a driver enters an area that is heavily shaded by overhanging trees?

Managing Risk