Shop for TUFFAK® DG (Driver Gard) Polycarbonate Sheet. This transparent polycarbonate barrier offers superior durability in transit vehicles without inhibiting the operator’s vision. TUFFAK® DG is NHTSA approved and conforms to FMVSS 205, ANSI Z26.1, and AS4. This material provides high impact resistance, dual sided abrasion resistant coating, and high optical quality to provide clear line-of-sight for operators, enabling them to interact freely with passengers. This extruded polycarbonate is easy to fabricate, install, and clean. Can’t find what you need? Get a quote.