試題詳解

240 If poor visibility occurs on freeways or expressways due to heavy fog, heavy smoke, heavy rain, or gusty winds, drivers are required to:
(A) maintain a speed of 60km per hour or faster
(B) reduce their speed to less than 40km per hour, or temporarily stop on the side of the road with their emergency warning lights on until visibility improves
(C) continue to drive at normal speed.