What is the maximum allowable crack length for rejecting a vehicle's windshield if measured from each side?

The maximum allowable crack length for rejecting a vehicle's windshield is 1 inch when measured from each side. This standard is in place to ensure driver safety and visibility. Cracks that exceed this length can obstruct the driver’s view and may compromise the structural integrity of the windshield, potentially leading to greater safety issues in the event of an accident. Keeping the allowable crack length to a minimum helps to ensure that windshields remain effective barriers against debris while also providing necessary protection during collisions.

When assessing the condition of a windshield, any crack longer than this threshold may necessitate the rejection of the vehicle during an inspection, reinforcing the importance of maintaining clear and undamaged windshields for all vehicles on the road.