Template:Map Features:traffic calming

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Traffic calming

Describes features used to slow down traffic.

Key Value Element Comment Rendering Photo
traffic_calming yes node way General or unspecified traffic calming device.
traffic_calming bump node A speed bump, speed hump or ramp is a traffic calming feature used to slow traffic. They are also known as a sleeping policeman in British English and Caribbean English and a judder bar in New Zealand English. A speed bump is a bump in the roadway with heights typically ranging between 7.5 and 10 cm. Its length is typically less than or near to 30 cm. They may have cuts and small gaps left and right for cyclists. See  Speed bump.
Traffic calming example.jpg
traffic_calming dip node A "badén"(AR) is a traffic calming feature used to slow traffic, that works for depression. Its dimensions are similar to bump. See  Speed bump.
Traffic calming-dip.jpg
traffic_calming chicane node way An artificial feature creating extra turns in a road, used in motor racing and on streets to slow traffic for safety.
One-lane chicane 1.jpg
traffic_calming choker node way Narrowed road, sometimes signed as pinch points.
Ferry Road, Eastham, Wirral - DSC03451.JPG
traffic_calming cushion node way 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. See  Speed cushion.
Rubber speed cushions.jpg
traffic_calming hump node way A speed hump (also called a road hump, undulation or speed ramp) is a rounded traffic calming device. Similar to a bump, but longer. Generally, speed humps are about 4 m in length and span the width of the road. The height of humps ranges from 7.5 to 10 cm. See  Speed hump.
Asphalt Speed Hump.jpg
traffic_calming island node way An island is a small area that temporarily separates two different directions of traffic. See also crossing=island for islands intended for pedestrians crossing the road.
traffic_calming rumble_strip node way 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 confused with the similar device used to alert drivers when they drift from their lane. See  Rumble strips.
North Luzon Expressway Rumble Strips.jpg
traffic_calming table node way A speed table (or flat top hump) designed as a long speed hump with a flat section in the middle. The flat section is long enough for all wheels of a passenger car to fit on that section simultaneously. Does not slow as much as a hump and is usually used on roads with residential speed limit. See  Speed table.
Kerb Extension Nuffield Street.jpg
traffic_calming mini_bumps node way A group of small bumps in any shape, for example a circle, installed as traffic calming device
Traffic calming hillocky 2.jpg

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