What can lead to a vehicle's headlights failing the inspection?

For headlights to pass inspection, they must not only provide adequate illumination but also be free from cloudiness or any obstructions that would diminish their effectiveness. Cloudy or hazy lenses can significantly impact the performance of headlights, reducing visibility for the driver and thus compromising safety. Adequate illumination ensures that the lights are bright enough to adequately illuminate the road ahead, allowing for safe nighttime driving.

The requirement for headlight clarity and brightness directly correlates to safety standards established to protect drivers and pedestrians. Headlights that are clouded can scatter light in an unpredictable manner, leading to reduced visibility and a higher risk of accidents. Therefore, ensuring that the headlights are clear and provide sufficient light is essential for passing the Maryland State Inspection.