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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.