Tag:marker=post
 marker = post
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| Description |
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A standard kind of marker composed of a small pole or mast with information written on it. The support is dedicated to the marker. See plate for other situations.  
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| Group: man made |
| Used on these elements |
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| Useful combination |
Status: approved
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| Tools for this tag |
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The tag marker=post is used for a standard marker or sign on a small post or mast with written information. The support post is specifically designed to hold the marker.
A post marker is maybe the most standard marker you'll ever find. Useful information, including the representative colour of the infrastructure it is related to, may be seen directly on the pole. Sometimes a plate is installed on top.
The pole has to be dedicated to each individual marker. If not, you may have to use marker=plate which may better correspond to other situations.
How to map
Use the tag marker=post on a node. Optionally specify the operator=*, utility=*, colour=*, material=* and ref=*. It might be beneficial to write everything into the inscription=* key for future mapping of pipelines and cables.
Examples
Pipelines
| Photo | Location | Tagging | Note |
|---|---|---|---|
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Belgium |  marker=post utility=gas colour=orange material=plastic operator=Fluxys |
A pole indicating the presence of Fluxys gas buried below. The ref is often found on the upper portion of the pole. |
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UK | marker=post utility=gas colour=red material=plastic |
These posts mark the national (as opposed to local) gas pipelines in the UK. Plastic markers are usually (though not always) more recent than concrete ones. |
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UK | marker=post utility=gas colour=red material=concrete |
These posts mark the national (as opposed to local) gas pipelines in the UK. Concrete markers are usually (though not always) older than plastic ones. |
.jpg)
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UK | marker=post utility=gas colour=yellow material=plastic |
These posts mark the local (as opposed to national) gas pipelines in the UK. Plastic markers are usually (though not always) more recent than concrete ones. |
.jpg)
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UK | marker=post utility=gas colour=yellow material=concrete |
These posts the local (as opposed to national) gas pipelines in the UK. Concrete markers are usually (though not always) older than plastic ones. |
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UK | marker=post utility=oil colour=white material=concreteoperator=GPSS |
The image shows a GPSS marker plate near Heydon, Cambridgeshire. The marker text: S/SW shows marker is on the Sandy-Saffron Walden link; 24 kilometres (15 mi) is the distance from Sandy; up-arrow indicates that the normal oil flow is away from the observer looking at the notice. |
Power cables
| Photo | Location | Tagging | Note |
|---|---|---|---|
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France | marker=post utility=power colour=red operator=EDF |
An aerial marker indicating the presence of 20 kV cable buried below |
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France | marker=post utility=power colour=yellow operator=ESSeyssel |
A pole sign warning about the presence of a buried high voltage power cable in French country. |
Telecommunications
| Photo | Location | Tagging | Note |
|---|---|---|---|
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USA | marker=post utility=telecom colour=orange operator=GTE |
A post marker indicating the presence of an  optical fibre cable buried below
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Water supply
| Photo | Location | Tagging | Note |
|---|---|---|---|
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France | marker=post utility=water colour=blue |
A post marker indicating the presence of a drinkable water pipeline next to it |
Fire hydrants
| Photo | Location | Tagging | Note |
|---|---|---|---|
.jpg)
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France | marker=post utility=hydrant |
Signage indicating the location of an underground fire hydrant
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