Distance to ‘STOP’ line aheadDual carriageway endsRoad narrows on right (left if symbol reversed)Road narrows on both sidesDistance to ‘Give Way’ line aheadCrossroadsJunction on bend aheadT-junction with priority over vehicles from the rightStaggered junctionTraffic merging from left ahead – The priority through route is indicated by the broader lineDouble bend first to left (symbol may be reversed)Bend to right (or left if symbol reversed)RoundaboutUneven roadPlate below some signsTwo-way traffic crosses one-way roadTwo-way traffic straight aheadOpening or swing bridge aheadLow-flying aircraft or sudden aircraft noiseFalling or fallen rocksTraffic signals not in useTraffic signalsSlippery roadSteep hill downwardsSteep hill upwardsGradients may be shown as a ratio i.e. 20% = 15Tunnel aheadTrams crossing aheadLevel crossing with barrier or gate aheadLevel crossing without barrier or gate aheadLevel crossing without barrierFrail (or blind or disabled if shown)pedestrians likely to cross road aheadPedestrians in road aheadZebra crossingOverhead electric cable; plate indicates maximum heightof vehicles which can pass safelyAvailable width of headroom indicatedSharp deviation of route to left(or right if chevrons reversed)Light signals ahead at level crossing, airfield or bridgeMiniature warning lights at level crossingsCattleWild animalsWild horses or poniesAccompanied horses or poniesCycle route aheadRisk of iceTraffic queues likely aheadDistance over which road humps extendOther danger; plate indicates nature of dangerSoft vergesSide windsHump bridgeWorded warning signQuayside or river bankRisk of grounding