Increases the penalties for overtaking and passing a school bus; provides that for the first conviction a person shall be punished by a fine of not less than $350 nor more than $500; provides that for a second conviction a person shall be punished by a fine of not less than $500 nor more than $800; also provides that for a third conviction a person shall be punished by a fine of not less than $800 nor more than $1000.