Warning Signs
Warning Signs
Mostly triangular
 |
 |
 |
 |
 |
| Distance to STOP line ahead | Dual carriageway ends | Road narrows on right (left if symbol reversed) | Road narrows on both sides | Distance to Give Way line ahead |
 |
 |
 |
 |
 |
| Crossroads | Junction on bend ahead | T junction with priority over vehicles from the right | Staggered junction | Traffic merging from left ahead |
| The priority through route is indicated by the broader line. | ||||
 |
 |
 |
 |
 |
| Double bend first to left (symbol may be reversed) | Bend to right (or left if symbol reversed) | Roundabout | Uneven road | Plate below some signs |
 |
 |
 |
 |
 |
| Two way traffic crosses one way road | Two way traffic straight ahead | Opening or swing bridge ahead | Low flying aircraft or sudden aircraft noise | Falling or fallen rocks |
 |
 |
 |
 |
 |
| Traffic signals not in use | Traffic signals | Slippery road | Steep hill downwards | Steep hill upwards |
 |
 |
 |
 |
 |
| Tunnel ahead | Trams crossing ahead | Level crossing with barrier or gate ahead | Level crossing without barrier or gate ahead | Level crossing without barrier |
 |
 |
 |
 |
 |
| School crossing patrol ahead (some signs have amber lights which flash when crossings are in use) | Frail (or blind or disabled if shown) pedestrians likely to cross road ahead | Pedestrians in road ahead | Zebra crossing | Overhead electric cable; plate indicatesmaximum height of vehicles which can pass safely |
 |
||||
 |
 |
 |
||
| Sharp deviation of route to left (or right if chevrons reversed) | Light signals ahead at level crossing, airfield or bridge | Miniature warning lights at level crossings | ||
 |
 |
 |
 |
 |
| Cattle | Wild animals | Wild horses or ponies | Accompanied horses or ponies | Cycle route ahead |
 |
 |
 |
 |
 |
| Risk of ice | Traffic queues likely ahead | Distance over which road humps extend | Other danger plate indicates nature of danger | Soft verges |
 |
 |
 |
 |
 |
| Side winds | Hump bridge | ford warning sign | Quayside or river bank | Risk of grounding |