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A road location marker is a numbered reference point identifying a measured position along a particular road or route.

A kilometre marker indicates the number of kilometres measured from an established starting point on the road.

A hectometre marker identifies a position at intervals of 100 metres. One kilometre contains ten hectometres.

It normally identifies a point approximately 14 kilometres and 700 metres from the route’s reference origin.

No. It normally measures the position along the road from a fixed reference origin rather than the remaining distance to a destination.

It begins at a reference point chosen for that road, such as the start of the route, a border, an administrative boundary or another officially defined origin.

No. It increases in the officially defined direction of the route. Drivers travelling in the opposite direction may see the values decrease.

It may appear as a numbered roadside post, small sign, plate, marker attached to a barrier or numbers painted beside the carriageway.

Many countries use kilometre markers, while countries using imperial measurements may use mile markers. Designs and intervals differ.

They are intended to represent 100-metre intervals, but their physical placement and permitted tolerances depend on the road authority and local conditions.

Give the road number, marker value, direction of travel and nearest junction or landmark where possible.

The same kilometre value may occur on many different roads. The road number identifies which route the marker belongs to.

Divided roads have separate carriageways. Reporting the direction helps emergency services approach the correct side without making a long diversion.

Yes. Reporting the nearest marker can help breakdown and emergency services identify the affected road section more accurately.

Yes. The marker can help road authorities locate an obstruction, damaged barrier, animal, collision or other dangerous situation.

Normally not. It is a reference or identification device rather than a regulatory sign.

No. The applicable speed comes from general traffic rules and regulatory speed signs.

No. Traffic lights, priority signs and ordinary intersection rules remain applicable.

No. Passing a kilometre or hectometre marker does not normally begin or end a traffic regulation.

Yes. Road authorities use reference points to locate signs, barriers, bridges, defects, works and other infrastructure precisely.

Coordinates can be useful, but a road reference marker may be easier for road operators and emergency services to connect with the correct carriageway and road section.

Use the nearest visible marker together with the road number, direction, junctions and other identifiable features.

No. Do not stop in a live lane or another prohibited location. A passenger may note the marker, or the driver may read it after stopping somewhere safe during an actual emergency.

Normally not. Temporary traffic routes may move traffic away from the marker’s usual position, but the official road reference system generally remains unchanged.