(a) If a school vehicle has stopped on a roadway and is operating the alternately flashing red lights specified in § 22-228 of this article, the driver of any other vehicle meeting or overtaking the school vehicle shall stop at least 20 feet from the rear of the school vehicle, if approaching the school vehicle from its rear, or at least 20 feet from the front of the school vehicle, if approaching the school vehicle from its front.

(b) If a school vehicle has stopped on a roadway and is operating the alternately flashing red lights specified in § 22-228 of this article, the driver of any other vehicle meeting or overtaking the school vehicle may not proceed until the school vehicle resumes motion or the alternately flashing red lights are deactivated.

(c) This section does not apply to the driver of a vehicle on a divided highway, if the school vehicle is on a different roadway.?

(d) A person convicted of a violation of this section is subject to a fine not exceeding $1,000.