Key:traffic_calming

+/- traffic_calming Description To tag road features that are designed to slow down traffic in residential areas. Group Highway Element help Useful combination Implies Used combinations in World Australia/Oceania Europe (list) Asia (list) Central America (list) South America (list) Africa (list)

Having just been routed by my SatNav down a road with half a dozen speed bumps even though it is marked on maps as a tertiary route, I was struck by the need to have this information in the map data even if it is not displayed, so that these ways can be avoided. -- Batchoy 16:21, 12 December 2006 (UTC)

See also

• Wikipedia-links in the Translations-section
• highway=*
• Approved features/Traffic Calming

How to Map

This would be added to highway=*, as an additional tag to the existing road classification

List of common values:

• traffic_calming=yes

general / unspecified traffic calming device

• traffic_calming=bump

short bump - length (in direction of travel) about 30 cm or shorter. Spans the entire width of the road, but can have cuts and small gaps left and right for cyclists. (wikipedia:Speed_bump)

• traffic_calming=hump

similar to a bump, but longer - total length usually 2-4 m (in direction of travel) (wikipedia:Speed_hump)

• traffic_calming=table

designed as a long speed hump with a flat section in the middle. Does not slow as much as a hump and is usually used on roads with residential speed limit. (wikipedia:Speed_table). The flat section is long enough for all wheels of a passenger car to fit on that section simultaneously.

• traffic_calming=cushion

a hump with spaces between or several multiple rectangular humps aligned across the road. This allows emergency vehicles, buses (due to their wider axle) and bicycles to pass through without slowing down. (wikipedia:Speed_cushion)

• traffic_calming=chicane (don't confuse with barrier=chicane)

hazards on the street you have to drive round (wikipedia:Chicane)

• traffic_calming=rumble_strip

multiple very low bumps (few cm at most) spaced few meters apart spanning the entire width of the road. Does not limit speeds as such, but are very noticeable to the driver as they generate noise and shake the car mildly.

Not to be mistaken in this context with a hard shoulder with a pattern to alert drivers when they drift from their lane (wikipedia:Rumble_strips)

• traffic_calming=choker

narrowed road, sometimes signed as pinch points

Translations

	bump	chicane	cushion	hump	rumble_strip	table	choker
Deutsch	Bodenwelle (kurz), Krefelder Kissen	Schikane	Bodenwelle (mit Lücken)	Bodenwelle (lang)	Seitenstreifen (holpernd)	Bodenwelle (sehr lang und flach)	Fahrbahnverengung
Nederlands (België)	Verkeersdrempel	Asverschuiving	Rijbaankussen	Verkeersdrempel	Verkeerswasbord	Verkeersplateau (but this is much longer than what can be seen on the wikipedia page, verkeersplateau usually covers an entire road crossing). The speed tables from the images on the wikipedia page are still called verkeersdrempel	Wegvernauwing
Español	Bandas reductoras de velocidad, denominadas reductores de velocidad de lomo de asno (BOE 261 29/10/2008), a veces también denominadas guardias tumbados o policías acostados.	Chicane. Sucesión de curvas cerradas con el propósito de frenar el tráfico.	Cojín berlines. Por lo general se utiliza en carriles BUS ya que permite al autobús pasar sin tocarlo, pero no así a los automóviles.	Resalte.	Bandas sonoras.	Plataforma elevada. Más ancha que una banda reductora de velocidad. Habitualmente incluye un paso de peatones y se denomina paso peatonal sobreelevado.	Gargantas. Puntos de estrangulamiento del ancho de la vía, generalmente por aumento de la acera o el diseño de "orejas" o "martillos" en las esquinas de esta, con el fin de peatonalizar la intersección reduciendo la anchura que los peatones tienen que cruzar y obligando al conductor a reducir la velocidad.
Français	Ralentisseur sonore, bande sonore, dos d'âne étroit et bas.	Chicane/Créneau	Coussin Berlinois	Dos d'âne	Bande rugueuses (transversales ou longitudinales), correspondent aux petites barres collées sur les lignes blanches des voies rapides qui séparent une voie de la bande d'arrêt d'urgence et produisent une vibration sonore violente afin de réveiller le conducteur assoupi.	Large dos d'âne	Routes qui disposent d'un étranglement afin de conduire l'automobiliste à ralentir sa vitesse.
Italiano	Dosso corto.	Chicane, Curve strette a serpentina	Dossi affiancati, cuscini berlinesi	Dosso lungo, schiena d'asino	Bande rumorose	Rialzo stradale	Restringimento di carreggiata.
Русский	Лежачий полицейский	Шикана. Препятствия в шахматном порядке	Лежачий полицейский с разрывами	Широкий лежачий полицейский	Стиральная доска	Стол. Перепад в высоте дорожного полотна.	Искусственное сужение дороги
Svenska	Bula. Kortare förhöjning minst lika bred som körfältet.	Sidoförskjutning (chikan). Målning eller fysiskt hinder som tvingar fordon att svänga.	Vägkudde. Smal bula som fordon med bredare hjulaxlar (t.ex. brandbilar) kan passera utan att sänka hastigheten.	Puckel. Längre än bula, oftast 2-4 m lång.	Bullerräfflor. Oftast en serie målade ränder med några meters mellanrum tvärs över körfältet.	Platå. Längre än puckel, lång nog att rymma alla hjulaxlar på en personbil.	Avsmalning. Målning eller fysiskt hinder som gör körfältet smalare.

Wikipedia shows several pictures which helps to distinguish between all values.