Do you know what coloured motorway studs are telling you?

Traditional cats eyes come in just one colour, but things get more complicated on larger roads such as motorways where they appear in a variety of colours and combinations. Do you know what they mean? Find out here.
START
What does this combination of amber studs and solid line mean?
What does this combination of green studs and broken line mean?
What does this combination of white studs and broken line mean?
What does this combination of red studs and solid line mean?
Green and amber studs on broken line
Leave at the next junction - if you can find it - and plot your route avoiding motorways. 

Seriously, you will need to wise-up and quickly, you could be posing a risk to yourself and other drivers. 

REDmotorway studs are placed along the hard shoulder of both motorways and dual carriageways. They can also be seen on the left of certain A or busy B roads.
AMBERmotorway studs are placed to the far right, running alongside the central reservation.
GREENmotorway studs indicate where a junction either joins or leaves a motorway, often called a motorway slip road.
WHITEmotorway studs are placed between the lanes of dual carriageways or motorways.
BLUEmotorway studs can occasionally be seen and are for the use of the emergency services.

You really should know these studs - in the event of fog, heavy rain or other poor driving conditions, you're likely to rely on them.

REDmotorway studs are placed along the hard shoulder of both motorways and dual carriageways. They can also be seen on the left of certain A or busy B roads.
AMBERmotorway studs are placed to the far right, running alongside the central reservation.
GREENmotorway studs indicate where a junction either joins or leaves a motorway, often called a motorway slip road.
WHITEmotorway studs are placed between the lanes of dual carriageways or motorways.
Not bad! You have a good grounding in what the different studs mean. But - you will need a complete understanding of what all of them mean to remain safe. 

REDmotorway studs are placed along the hard shoulder of both motorways and dual carriageways. They can also be seen on the left of certain A or busy B roads.
AMBERmotorway studs are placed to the far right, running alongside the central reservation.
GREENmotorway studs indicate where a junction either joins or leaves a motorway, often called a motorway slip road.
WHITEmotorway studs are placed between the lanes of dual carriageways or motorways.
Great work - but check out the list below to ensure you know all of them.

REDmotorway studs are placed along the hard shoulder of both motorways and dual carriageways. They can also be seen on the left of certain A or busy B roads.
AMBERmotorway studs are placed to the far right, running alongside the central reservation.
GREENmotorway studs indicate where a junction either joins or leaves a motorway, often called a motorway slip road.
WHITEmotorway studs are placed between the lanes of dual carriageways or motorways.
Top score - excellent work. 

REDmotorway studs are placed along the hard shoulder of both motorways and dual carriageways. They can also be seen on the left of certain A or busy B roads.
AMBERmotorway studs are placed to the far right, running alongside the central reservation.
GREENmotorway studs indicate where a junction either joins or leaves a motorway, often called a motorway slip road.
WHITEmotorway studs are placed between the lanes of dual carriageways or motorways.