Pennsylvania Code
Title 67 - TRANSPORTATION
Part I - Department of Transportation
Subpart A - Vehicle Code Provisions
Article VII - Vehicle Characteristics
Chapter 175 - VEHICLE EQUIPMENT AND INSPECTION
Subchapter L - ANIMAL-DRAWN VEHICLES, IMPLEMENTS OF HUSBANDRY AND SPECIAL MOBILE EQUIPMENT
Section 175.227 - Mirrors

(a) Condition of mirrors. Mirrors shall be in safe operating condition as described in this subchapter.

(b) Rearview mirrors. A vehicle-except a trailer, implement of husbandry and special mobile equipment not originally so equipped-when operated on highway shall be equipped with at least one rearview mirror or similar device which provides the driver an unobstructed view of the highway to the rear of the vehicle for a distance of not less than 200 feet. A mirror shall not be broken, cracked or discolored.