What is a High-Level Class I Vehicle?
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Vehicle type High-Level Class I refers to an operational vehicle that is a large high-level class I passenger bus. Operational vehicles with a body length greater than 9 meters and less than or equal to 12 meters are classified as large passenger buses. Large passenger buses are further subdivided (from high to low) into High-Level Class III, High-Level Class II, High-Level Class I, Intermediate, and Standard based on different configurations. Compared to other high-level passenger buses, High-Level Class I large and medium-sized buses have identical service facility requirements except for the installation of a restroom. For example, the installation positions of the engine and luggage compartment, the form and structure of the doors, the width of the aisle, the size and performance of the seats, and the requirements for interior trim and air conditioning and control are almost the same. The front and rear suspensions of High-Level Class I large passenger buses must at least consist of a combination of independent front suspension and rear fewer-leaf springs (<4 leaves), or a combination of all air suspension or air suspension with leaf springs. The power-to-weight ratio must be >13.5 kW/t to ensure the dynamic performance, safety, and comfort of High-Level Class I highway operational passenger buses.
