(1) Signals. The driver of any school bus used to transport children to and from a public or private school shall, when stopping to receive or discharge pupils at any point within the city, turn on the flashing stop warning signal lights at a distance of not less than 100 feet, nor more than 300 feet from the point where said pupils are to be received or discharged from the bus. At the point of receiving or discharging pupils the driver of the bus shall bring the bus to a stop and extend the stop arm. After receiving or discharging pupils, the bus driver shall turn off the flashing stop warning lights, retract the stop arm and then proceed on the route. No school bus shall stop to load or unload pupils unless there is at least 300 feet of clear vision in each direction.

(2) Lights On. The driver of a school bus shall, while carrying passengers, have its headlights turned on.

(3) Discharging Pupils. All pupils shall be received and discharged from the right front entrance of every school bus and if said pupils must cross the street or highway, they shall be required to pass in front of the bus, look in both directions, and proceed to cross the street or highway only on signal from the bus driver.

(4) Passing Prohibited. The driver of any vehicle overtaking a school bus shall not pass a school bus when flashing stop warning signal lights are flashing and shall bring said vehicle to a complete stop not closer than 15 feet of the school bus when it is stopped and stop arm is extended, and shall remain stopped until the stop arm is retracted and school bus resumes motion, or until signaled by the driver to proceed.

(5) Application. This section shall apply to the business, residential and suburban districts of the city.