(a) Whenever it shall appear that any horse ridden or driven by any person upon any streets, roads, and highways is about to become frightened by the approach of any motor vehicle, it shall be the duty of the person driving or conducting the motor vehicle to cause it to come to a full stop until the horse has passed and, if necessary, assist in preventing an accident.
(b) Any person convicted of violating this section shall be fined in any sum not to exceed two hundred dollars ($200).