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Definition of ¼” windshield crack

If a crack extended into the thickness of the glass at such an angle

Section § 393.60: Glazing in specified openings.

Guidance Q&A

Question 3: If a crack extended into the thickness of the glass at such an angle as to measure 1/4’’ or more, measuring from the top edge of the crack on the outside surface of the windshield to vertical line drawn...