Key:traffic_calming

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Public-images-osm logo.svg traffic_calming
Ležeći policajac 016.jpg
Description
Features used to slow down traffic. Show/edit corresponding data item.
Group: Highways
Used on these elements
may be used on nodesmay be used on waysshould not be used on areasshould not be used on relations
Documented values: 17
Status: approvedPage for proposal
See Traffic calming on Wikipedia

Traffic calming consists of engineering and other measures put in place on roads for slowing down or reducing motor-vehicle traffic as well as to improve safety for pedestrians and cyclists.

traffic_calming=* is used to tag various specific devices to achieve this, but some of methods used such as barrier=bollard blocking transit traffic are not tagged with this key. Some, like proper urban planning are subjective and not mapped at all in OpenStreetMap.

Note that traffic_calming=* is one of those tags where data consumers should expect multiple values being separated by semi-colon, for example choker;cushion. Usage of semicolons is minuscule with below 800 usages in mid April 2023, however, they are still used slightly more often than all of those conjoined values such as choked_island or choked_table combined.

How to map

Usage for short rumble strip

Add one of the following tags to a highway way, or a highway node where the device is placed.

Common values

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By causing vertical deviation

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By causing lateral deviation

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By causing both lateral and vertical deviation

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Rendering

Röntgen icons

Tag Icon
traffic_calming=bump Röntgen speed bump.svg
traffic_calming=mini_bumps Röntgen speed bumps.svg
traffic_calming=hump Röntgen speed hump.svg
traffic_calming=table Röntgen speed table.svg
traffic_calming=cushion Röntgen speed cushion.svg
traffic_calming=rumble_strip Röntgen rumble strips.svg
traffic_calming=dip Röntgen dip.svg
traffic_calming=double_dip Röntgen double dip.svg

See also

References