Class D Station is a combination of which two types of stations?

The Class D Station is defined as a combination of a Class B Station and a Class C Station. Class B Stations are primarily focused on vehicle emissions testing, while Class C Stations are involved in safety inspections. By combining these two functions, the Class D Station is equipped to handle both safety and emissions inspections, which are critical components of maintaining vehicle roadworthiness and environmental standards. This dual capability is essential in ensuring that vehicles meet both safety regulations and emissions control requirements, thus promoting public safety and environmental protection.