CDL General Knowledge Practice Test

Driving at night presents unique challenges due to reduced visibility, making it essential to use the appropriate lighting. Using low beams is the correct choice because they provide adequate illumination without blinding oncoming drivers. High beams can increase visibility significantly but should be used with caution; they can overwhelm other drivers' vision if misused, especially when approaching another vehicle or when in well-lit areas. Moreover, while it may seem intuitive to drive with high beams for better visibility, they can reflect off road signs and fog, creating glare and disorientation. Therefore, using low beams when driving at night prevents unsafe conditions for both the driver and others on the road, making it the appropriate option in this context. Statistics also show that many nighttime accidents are related to visibility issues, making proper light usage a critical factor in nighttime safety.