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Question

Difficulty: EasyNight Driving

Interior cab lights should remain turned off while driving at night because inside lighting creates glare on the windshield and reduces a driver's ability to see outside.

Answer: Answer

Answer

True. Commercial drivers must keep interior dome and cab lights turned off while driving at night to prevent windshield glare and maintain proper night vision.
The statement is true because cabin illumination creates bright reflections on the windshield and impedes dark adaptation, severely impairing the driver's ability to see roadway hazards.

Step-by-Step Solution

1
Analyze how cabin illumination affects windshield optics and driver eye adaptation.
Interior light reflects off the inside surface of the windshield glass and causes the driver's pupils to constrict.
Safe night driving requires clear vision through the windshield and maximum eye sensitivity to low-light roadway conditions.
2
Evaluate the statement against standard commercial motor vehicle night operating procedures.
Official CDL safety regulations specify that drivers should keep interior cab lights off while traveling after dark.
Eliminating internal glare helps the driver detect unlit pedestrians, vehicles, and roadway hazards ahead.

Key Concept

Interior Cab Light Management and Glare Reduction
Estimated Time:45s
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Topics

Night Driving

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