A. Equipment operating speeds, conditions and characteristics shall be prudent and consistent with conditions of roadway, grades, clearance, visibility, traffic, type and use of equipment. B. Vehicles shall follow at a safe distance; passing shall be limited to areas of adequate clearance and visibility. C. Mobile equipment shall be operated under power control at all times and mobile equipment operators shall have full control of the equipment while in motion. D. Before starting or moving equipment, an equipment operator must be certain by signal or other means that all persons are clear. History 1994, c. 28; 1999, c. 256.