1
At what visibility level is it discouraged to drive on roads with speed limits of 40 mph or higher during foggy conditions?
- A.less than 1/2 mile.
- B.less than 1/4 mile.✓
- C.more than 1/4 mile.
- D.less than 1/3 mile.
Why: Driving on high-speed roads in thick fog is dangerous because you cannot see hazards in time to react. The manual advises against driving on roads with speed limits of 40 mph or higher if visibility drops below 1/4 mile.
