 | No entry for vehicular traffic | Regulatory signs | Circular | Red | White | |
 | Temporary absence of hard shoulder for 400 yards | Road works and temporary | Rectangular | Red | White | |
 | Temporary absence of road markings for 2 miles | Road works and temporary | Rectangular | Red | White | |
 | Reduction in speed necessary for a change in road layout ahead | Warning signs | Rectangular | Red | White | |
 | Variable message sign ahead not in use or being tested | Road works and temporary | Rectangular | Red | White | |
 | Vehicular traffic must not proceed into a length of road where one-way working is temporarily necessary | Regulatory signs | Other | Red | White | |
 | Vehicular traffic must not proceed into a length of road where one-way working is temporarily necessary | Road works and temporary | Circular | Red | White | |
 | Temporary sudden change in level of carriageway surface | Road works and temporary | Rectangular | Red | White | |
 | Traffic joining a length of road being controlled by portable traffic signals is not controlled by these signals | Road works and temporary | Rectangular | Red | White | |
 | Traffic on road ahead is being controlled by portable light signals | Road works and temporary | Rectangular | Red | White | |
 | Vehicles may not pass the temporary traffic signals when the red light is shown | Road works and temporary | Rectangular | Red | White | |
 | Vehicles may not pass the temporary traffic signals when the red light is shown at a junction | Road works and temporary | Rectangular | Red | White | |
 | Vehicular traffic should proceed slowly owing to temporary hazard resulting from wet tar on the road | Road works and temporary | Rectangular | Red | White | |
 | Vehicular traffic should proceed slowly owing to workforce in the road | Road works and temporary | Rectangular | Red | White | |
 | Temporary entrance to a construction or road works site | Road works and temporary | Rectangular | Red | White | |
