A school bus driver shall actuate the visual signals required by Code Sections 40-8-111 and 40-8-115 whenever, but only whenever, the school bus is stopped on the highway for the purpose of receiving or discharging school children. A school bus driver shall not actuate the visual signals:

(1) At intersections or other places where traffic is controlled by traffic-control signals or police officers; or

(2) In designated school bus loading areas where the bus is entirely off the roadway.