Traffic controller ahead/Prepare to stop sign
Purpose: A traffic controller is ahead - you must stop if you see a hand-held stop sign. This sign is only used when a traffic controller is on duty. If the sign says 'Do not overtake' you must not overtake other vehicles while approaching the traffic controller.
Prepare to stop sign
Purpose: There may be a need to slow down and stop ahead (Traffic Controller or traffic signals).
Temporary traffic signal sign
Purpose: A temporary traffic signal is ahead.
Stop here on red signal sign
Purpose: Stop at this sign when you have a red light - there is no stop line marked on the road.