Book
21. Warning for falling rocks
This traffic sign indicates a warning for falling rocks. It alerts drivers to the risk of rocks falling onto the roadway from adjacent slopes or cliffs. Drivers should reduce speed and stay alert. Be ready for rocks on the road, especially after rain or freezing weather. Avoid stopping near cliffs or slopes. Common Locations: mountain roads, cliffside routes, coastal or hilly terrain.
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22. Warning for loose chippings on the road surface
This traffic sign indicates a warning for loose chippings. It alerts drivers to road surfaces covered with loose gravel or stones, which can affect traction and pose a risk of flying debris. Drivers should reduce speed to avoid skidding and keep a safe distance from other vehicles. Be cautious of stone chips that may damage paint or windshields. Common Locations: freshly resurfaced roads, rural or under-maintenance road sections.
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23. Warning for a crossing for pedestrians
This traffic sign indicates a warning for a pedestrian crossing. It alerts drivers to an upcoming pedestrian crossing on the road. Drivers should reduce speed and be prepared to yield to pedestrians at the crossing. Common Locations: near bus stops, stations, shopping areas, school zones.
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24. Warning for a quayside or riverbank
This traffic sign indicates a warning for a quayside or riverbank. It alerts drivers to a waterfront edge, such as a quay, canal, riverbank, or ferry dock, where there is a risk of falling into water if not careful. Drivers should slow down and stay alert, especially at night or in poor visibility. Be cautious in unfenced or unfloodlit quayside areas. Common Locations: riverbanks, canals, harbors, ferry terminals, industrial docks or marinas.
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25. Warning for a road narrowing
This traffic sign indicates a warning for a road narrowing. It alerts drivers the road ahead becomes narrower, reducing the available lane width. Drivers should reduce speed and be cautious of limited space, especially in two-way traffic. Common Locations: construction zones, bridges, underpasses, rural roads or tight curves.
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26. Warning for a road narrowing on the left
This traffic sign indicates a warning for a road narrowing on the left. It alerts drivers the road will narrow from the left side ahead. Drivers should reduce speed and be cautious of oncoming or merging traffic. Be prepared for obstacles, reduced shoulder, or construction.
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27. Warning for a road narrowing on the right
This traffic sign indicates a warning for a road narrowing on the right. It alerts drivers the road will narrow from the right side ahead. Drivers should reduce speed and be cautious of oncoming or merging traffic. Be prepared for obstacles, reduced shoulder, or construction.
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28. Warning for roadworks
This traffic sign indicates a warning for roadworks. It alerts drivers to construction or maintenance work taking place on or near the roadway. Drivers should reduce speed and be prepared for lane changes, narrowings, or temporary signals. Watch for construction workers, equipment, or uneven surfaces.
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29. Warning for a slippery road surface
This traffic sign indicates a warning for a slippery road surface. It alerts drivers that the road ahead may be slippery, increasing the risk of skidding—especially in wet, icy, or greasy conditions. Drivers should reduce speed and avoid sudden braking or steering. Be cautious on wet, icy, or newly treated surfaces. Common Locations: bridges, tunnels, or sharp bends.
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30. Warning for a soft verge
This traffic sign indicates a warning for a soft verge. The verge might be worn out, soft, slippery or uneven.
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Traffic rules