Road works signs
Road works
Loose chippings
Temporary hazard at road works
Temporary lane closure (the number and position of arrows and red bars may be varied according to lanes open and closed)
Slow-moving or stationary works vehicle blocking a traffic lane. Pass in the direction shown by the arrow.
Mandatory speed limit ahead
Road works 1 mile ahead
End of road works and any temporary restrictions including speed limits
Signs used on the back of slow-moving or stationary vehicles warning of a lane closed ahead by a works vehicle. There are no cones on the road.
Signs used on the back of slow-moving or stationary vehicles warning of a lane closed ahead by a works vehicle. There are no cones on the road.
Lane restrictions at road works ahead
One lane crossover at contraflow road works
Road Works Signs: What They Mean and How to Respond
Road works signs warn about temporary hazards, lane changes and restrictions. The key Theory Test skill is recognising what the sign requires you to do next.
Road works ahead
The sign warns that road works or an obstruction may affect the road ahead. Look for additional signs giving specific instructions.
Slow down and read the signs
Expect changes to lanes, road layout and traffic conditions. Keep a safe distance and prepare for temporary restrictions.
Do not treat every road works sign as advisory
Some signs warn about a hazard, while others impose mandatory restrictions. Always identify whether the message is a warning, instruction or prohibition.
Expect reduced grip
Loose chippings can create a skid risk and may be thrown up by other vehicles. Take extra care, particularly around vulnerable road users.
Move into the correct lane early
Temporary lane closure signs show that one or more lanes will be unavailable. Check mirrors, choose the correct lane in good time and follow the temporary layout.
Do not drive through cones
Cones and barriers define areas that are closed or separated from live traffic. Do not enter an area marked off from traffic.
Follow the arrow
A works vehicle may block part of a traffic lane. If a large Keep Left or Keep Right direction is displayed, pass on the indicated side and do not return to the closed lane until it is safe.
Expect slow-moving works vehicles
Vehicles displaying amber warning lights may slow down or turn into a works area. Leave extra space and be prepared for sudden changes.
What does a temporary speed limit mean?
A mandatory temporary speed limit must be obeyed. Do not confuse a mandatory limit with an advisory speed shown for a particular hazard.
Expect an unusual road layout
In a contraflow, traffic may use narrower lanes and opposing traffic may be separated by temporary barriers or traffic cylinders. Follow the temporary markings carefully.
Increase your following distance
Narrow lanes, temporary surfaces and changes in road alignment can require extra care. Keep a safe distance and avoid sudden manoeuvres.
When do temporary restrictions end?
The end of road works sign can indicate the end of associated temporary restrictions, including temporary speed limits. Always continue to follow any permanent signs that apply.
Remember Before the Theory Test
Don't Mix These Up on the Theory Test
Road works questions often test the difference between warnings, mandatory restrictions and temporary traffic arrangements.
Road Works Signs: Theory Test FAQ
What does the road works sign mean?
It warns that road works or an obstruction may affect the road ahead. Drivers should take extra care and look for additional signs giving specific instructions.
What should I do when approaching road works?
Reduce risk by following the temporary signs and markings, keeping a safe distance, choosing the correct lane in good time and watching for workers, works vehicles and changing traffic conditions.
Can I exceed a temporary speed limit at road works?
No. A temporary mandatory maximum speed limit must be obeyed. Do not confuse it with an advisory speed intended to help you deal with a particular hazard.
What do temporary lane closure signs mean?
They show that one or more lanes will be closed ahead. Check your mirrors, move into the appropriate lane in good time and follow the temporary road layout.
What should I do when a works vehicle blocks a lane?
If the vehicle displays a large Keep Left or Keep Right direction, move over and pass on the indicated side. Do not return to the closed lane until it is safe.
What do loose chippings signs mean?
They warn that loose stones may be present on the carriageway. Take extra care because grip may be reduced and stones can be thrown up by passing vehicles.
What is a contraflow at road works?
A contraflow is a temporary traffic arrangement in which traffic may use narrower lanes and opposing flows may be placed in adjacent temporary lanes. Follow the temporary signs, markings and barriers carefully.
Can I drive through an area marked off by cones?
No. Cones and barriers are used to separate areas from live traffic. Do not drive through an area that has been marked off.
What should I expect from vehicles displaying amber warning lights at road works?
They may slow down or turn into the works area. Leave extra space and be prepared for the vehicle to change direction or speed.
What does the end of road works sign mean?
It indicates the end of the road works and associated temporary restrictions, including temporary speed limits. Any permanent signs and road markings that apply beyond the works still need to be followed.