| 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 | |