(a) The service brakes of every motor vehicle or combination of vehicles shall be adequate to control the movement of and to stop and hold the vehicle or combination of vehicles under all conditions of loading. (b) Every motor vehicle or combination of vehicles, at any time and under all conditions of loading, shall, upon application of the service brake, be capable of stopping from an initial speed of 20 miles per hour according to the following requirements: Maximum Stopping Distance (feet) (1) Passenger-carrying vehicles with a seating capacity of 10 or fewer persons, including the driver, and built on a passenger car chassis 20 (2) Passenger-carrying vehicles with a seating capacity of more than 10 persons, including the driver, and built on a passenger car chassis; vehicles built on a truck or bus chassis and having a GVWR of 10,000 pounds or less 25 (3) All other passenger-carrying vehicles 35 (4) Single-unit property-carrying vehicles having a GVWR of 10,000 pounds or less 25 (5) Single-unit property-carrying vehicles having a GVWR of more than 10,000 pounds, except truck tractors; combinations of a 2-axle towing vehicle and trailer having a GVWR of 3,000 pounds or less; all combinations of 2 or fewer vehicles in driveaway or towaway operation 35 (6) All other property-carrying vehicles and combinations of property-carrying vehicles 40 (c) Every motor vehicle or combination of vehicles, at any time and under all conditions of loading, shall, upon application of the service brake, be capable of developing a braking force at least equal to the percentage of its gross weight according to the following requirements: Braking force as a percentage of gross vehicle or combination weight (1) Passenger-carrying vehicles with a seating capacity of 10 or fewer persons, including the driver, and built on a passenger car chassis 65.2 (2) Passenger-carrying vehicles with a seating capacity of more than 10 persons, including driver, and built on a passenger car chassis; vehicles built on a truck or bus chassis and having a GVWR of 10,000 pounds or less 52.8 (3) All other passenger-carrying vehicles 43.5 (4) Single-unit property-carrying vehicles having a GVWR of 10,000 pounds or less 52.8 (5) Single-unit property-carrying vehicles having a GVWR of more than 10,000 pounds, except truck tractors; combinations of a 2-axle towing vehicle and trailer having a GVWR of 3,000 pounds or less; all combinations of 2 or fewer vehicles in driveaway or towaway operation 43.5 (6) All other property-carrying vehicles and combinations of property-carrying vehicles 43.5 (d) Every motor vehicle or combination of vehicles, at any time and under all conditions off loading, shall, upon application of the service brake, be capable of decelerating to a stop from 20 miles per hour at not less than the rate specified in the following requirements: Deceleration in feet per second (1) Passenger-carrying vehicles with a seating capacity of 10 or fewer persons, including the driver, and built on a passenger car chassis 21 (2) Passenger-carrying vehicles with a seating capacity of more than 10 persons, including the driver, and built on a passenger car chassis; vehicles built on a truck or bus chassis and having a GVWR of 10,000 pounds or less 17 (3) All other passenger-carrying vehicles 14 (4) Single-unit property-carrying vehicles having a GVWR of 10,000 pounds or less 17 (5) Single-unit property-carrying vehicles having a GVWR of more than 10,000 pounds, except truck tractors; combinations of a 2-axle towing vehicle and trailer having a GVWR of 3,000 pounds or less; all combinations of 2 or fewer vehicles in driveaway or towaway operation 14 (6) All other property-carrying vehicles and combinations of property-carrying vehicles 14 (e) Upon application of its service brakes, a motor vehicle or combination of motor vehicles shall, under any condition of loading in which it is found on a public highway, be capable of stopping within the distance specified in subdiv
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