Revision question · Road and traffic signs

In a motorway contraflow, what do fluorescent green/yellow temporary road studs help to mark?

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Answer options

They mark the lanes in a contraflow system

They separate the slip road from the motorway

They mark access points for emergency services

They separate the edge of the hard shoulder from the grass verge

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They mark the lanes in a contraflow systemThis was the right answer

Green/yellow studs indicate temporary adjustments to lane layouts, including the lanes through a contraflow. They are not exclusive to contraflow systems. Follow the current signs, temporary markings and lane restrictions, which may depend on your vehicle’s size or type.

Reviewed reading for this question

Rule 132Highway Code rule · Red marks the left edge, white lane divisions, amber the central reservation, and green/yellow temporary layout changes, including contraflow.

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