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You are on a three-lane motorway. There are red reflective studs on your left and white ones to your right. Where are you?

A In the left-hand lane

The colours of the reflective studs on the motorway and their locations are
+ red – between the hard shoulder and the carriageway
+ white – lane markings
+ amber – between the edge of the carriageway and the central reservation
+ green – along slip road exits and entrances
+ bright green/yellow – roadworks and contraflow systems.

Related Information

What are motorway reflective studs?

Reflective studs also called motorway studs, or reflective cat’s eyes, are indispensable reflective materials in almost every route. They are manufactured from a variety of materials of aluminum, plastic, and reflective film, suitable for national motorways, highways, urban areas, etc. to help vehicle drivers easily navigate the lanes of the road to move in dark or bad weather conditions.

What colour are the reflective studs?

There are currently 5 different types of coloured studs on a motorway:

- RED: Red motorway studs are reflective studs between hard shoulder and left-hand lane of the motorway, in other words, along the hard shoulder of both motorways and dual carriageways. They can also be found on the left of certain A or busy B roads.

- AMBER: To the far right, amber reflective studs run beside the central reservation.

- GREEN: Green is the reflective studs between a motorway and its slip road, which indicate where a junction either joins or leaves a motorway.

- WHITE: White motorway studs are placed in the midst of the lanes of dual carriageways or motorways.

- BLUE: Blue motorway studs can sometimes be seen and are used for cases of emergency services.



3 years ago

I love its graphics


3 years ago

This app helps me learn whilst being free. I can learn my weaknesses and aim to pass at higher score


3 years ago

Helping my daughter with the theory side of the test. Only wish we’d found it earlier on! Even I’m learning/getting reminded of what things mean again!

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