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Question

 
 
 

What does a yellow reflector (cat's eye) placed on the road mean?

  • Possible answers:

     
  • A. No passing

  • B. Fire hydrant

  • C. Yellow marks the left side of the road

  • D. It's safe to pass here

  • Correct answer:

     
  •  
    The correct answer is A
     
    Correct. If you see these yellow cat's eyes then you know you are not allowed to overtake.
     
 
 
 

Yellow cat's eyes, road studs or retroreflective raised pavement markers (RRPMs) are used to visually reinforce a yellow no-passing line. The painted passing line can be less visible when the road is wet.

Usually a white cat's eye is used in the centre of the road if overtaking is permitted. If yellow cat's eyes are present they are bi-directional if the line is applicable in both directions, or mono-directional if it's only applicable in one direction and spaced every 10m.

On unlit rural roads the markers are in groups of four, one metre apart, with 10m between each group. Only one of the group of four road studs is required to be reflective.

On no overtaking advance warning lines they are spaced 20m apart.

The yellow cats eyes are the same kind as used in the UK or Australia and they are used in the same manner. 

As well as the marking no overtaking lines that mark the right hand edge of a motorway. Therefore if you are driving in a lane with white studs on the left and yellow on the right you know you are in the right-hand lane; if you are driving in a lane with white studs on either side you know you are in the middle lane.