Road works signs are usually triangular with a yellow or white background and a red border. They alert you to temporary hazards, maintenance activities, or changes in road conditions due to construction work ahead.
This sign, indicating road works or an obstruction in the carriageway ahead, may be used for any type of works, ranging from large construction schemes to minor maintenance
End of road works and any associated temporary restrictions, including speed limits
Barriers are used to mark the boundaries of an area of the highway closed to vehicular and pedestrian traffic
Traffic cones may be used to mark the edge of the route for vehicular or pedestrian traffic through or past a temporary obstruction
At night or in poor daytime visibility, road danger lights may additionally be used to indicate the limits of a temporary obstruction of the carriageway
The traffic lanes that remain open are available to all traffic. The red bar indicates a lane that is closed ahead
Traffic lanes divide ahead. The lane on the left leads to a junction and may also be used by traffic staying on the motorway. The right-hand lanes move to the right. Areas closed to traffic are shown in red
Traffic lanes move across to the left, making use of the hard shoulder. Drivers are guided by temporary road markings or yellow road studs
Where a contraflow system operates, traffic cylinders are used to separate opposing flows of traffic in adjacent lanes
The hard shoulder is used as an exit lane at a junction