Final answer:
Vehicle barriers in public parking garages, when required, must be a minimum of 3 feet in height according to standard safety regulations.
Step-by-step explanation:
In public parking garages, vehicle barriers are required to ensure the safety of pedestrians and vehicles within the facility. These barriers need to be at an appropriate height to effectively prevent vehicles from accidentally driving over them or causing damage. According to standard safety regulations, these vehicle barriers, when required, must be a minimum of 3 feet in height. This size is considered sufficient to obstruct vehicles from crossing over.
Learn more about Vehicle Barriers in Public Parking