Clear Sight , Safe Night : Understanding Rule 94
When to Use Caution
Prohibited Equipment
The Safety Mandate
Nighttime Operations
The rule applies specifically after dark when ambient light is insufficient for tinted optics .
Tinted Glasses & Lenses
Standard sunglasses or prescription lenses with dark tints that reduce light transmission to the eye .
Restriction of Vision
The core directive is to never use tinted equipment if it in any way limits your ability to see the road or hazards clearly .
Poor Visibility Conditions
This includes environmental factors such as fog , heavy rain , or spray that naturally reduce a driver's range of sight .
Tinted Visors Protective face shields on helmets that have smoke , iridium , or dark finishes .