![]() ![]() You will usually see this sign with or after a no entry sign. These signs tell you that you are driving in the wrong direction and you must turn around. You must not drive faster than the speed limit shown. These signs show that a restriction applies on the bridge ahead. These signs are installed on motorway exit ramps where you need to slow down and may need to stop. This sign is installed with other warning signs that indicate the hazard. When you see this sign, you must slow down. You should start slowing down to prepare for the lower speed limit. These signs show that the speed limit is changing ahead. These signs show that you will need to merge right and join a lane with other drivers. They may be accompanied by a supplementary sign showing the distance beyond the sign that the number of lanes will be reduced. When you see these signs, you need to merge with other drivers into a remaining lane. These signs show that the number of lanes on the road you are travelling on will reduce to the number shown on the sign. These indicators are used at fords, floodways and low-level bridges. They are set with zero at the lowest section of the road. ![]() These signs show the depth of water flowing over the road. There will also be depth indicators on the side of the road where these signs refer to them. These signs are used at fords and floodways. These signs show that water may flow over the road ahead. These signs indicate that the road is permanently closed to traffic. You will see this sign on local roads with a dead end. These signs show that the road does not provide passage for continuing journeys. Square-cornered local traffic only signs are used at roadwork sites with detours that allow local traffic into the area. Through traffic should continue using the main roads. You might see this sign with a local traffic only sign.Ī local traffic sign is for traffic accessing the local area. These signs show that the traffic area ahead is not suitable for large vehicles to drive through. These are supplementary signs used with safety ramp signs that are on the right-hand side of the road. An arrester bed is a gravel filled ramp that reduces the speed of out of control vehicles. If there is not enough room for a safety ramp, there may be an arrester bed instead. You must not park or stop on a safety ramp, except in an emergency. Safety ramps allow out-of-control vehicles on steep descents to stop safely. These signs show when there is a safety ramp on the side of the road and the distance to it. These signs show that an overtaking lane will begin after the distance shown on the sign. They may also tell you the distance to the start of the slow vehicle lane. These signs show that there is a slow climb ahead and that slow vehicles must use the left lane. You will see turnouts on low speed roads where there is not enough space for an overtaking lane. Slow vehicles can use this area to allow other traffic to pass them. These signs indicate that slow vehicles can use the turnout ahead on the left.Ī turnout is where the road widens for a short distance. These vehicles may include:Īlternative route signs show which way these vehicles can go to avoid the steep descent and continue their journey. These signs warn drivers that certain vehicles may not be able to drive down the steep descent on the road ahead safely. Very steep descent ahead not suitable for some vehicles signs Long steep descent signs also show the length of the descent. These signs warn drivers that there is a steep descent or a long steep descent on the road ahead. These signs warn drivers that certain vehicles may find it difficult to drive up the steep climb on the road ahead. Very steep climb not suitable for some vehicles signs These signs warn drivers that the road climbs steeply for the length shown on the sign. You will usually see this sign with very steep climb or descent signs when not suitable for certain vehicles. These signs show truck and bus drivers the alternative route they need to take. These signs indicate the direction to follow for the alternative route.Īlternative route for trucks and buses sign These vehicles must use the detour shown by the arrow on the sign. These signs indicate that high, heavy, long or wide vehicles must not continue on the route ahead and that a detour is available instead. High or heavy vehicles must use the detour shown by the arrow on the sign.ĭetour signs for high, heavy, long and wide vehicles These signs indicate that there is a bridge, underpass or other structure on or over the road ahead with a height clearance or weight limit. Low or load limited bridge ahead with detour signs advance instruction for motorways and highways.steep descents and climbs and safety ramps.climbing and overtaking lanes and turnouts.Traffic instruction signs give you direction and more information about the road you are travelling on. ![]()
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