Tag:highway=traffic signals: Difference between revisions

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{{DISPLAYTITLE:Tag:highway=traffic_signals}} <!-- show an underscore in the title, not a space. -->
{{DISPLAYTITLE:Tag:highway=traffic_signals}} <!-- show an underscore in the title, not a space. -->
{{ValueDescription|
{{ValueDescription
key=highway|
|key = highway
value=traffic_signals|
|value = traffic_signals
image=Image:Ampel.jpg|
|image = File:Led traffic lights.jpg
description=A traffic signal for regulating circulation|
|description = A traffic signal for regulating circulation.
onNode=yes|
|onNode = yes
onWay=no|
|onWay = no
onArea=no|
|onArea = no
lang=en|
|lang = en
combination=* [[Key:name|name]]
|combination =
*[[Key:ref|ref]]}}
*{{tag|name}}
*{{tag|ref}}
|status = Approved
}}

== Description ==
:''See {{wikipedia|en|traffic light}}''
Traffic signals are automated mechanisms letting alternatively riding people coming from different ways on an intersection or section of a road.
Traffic signals are automated mechanisms letting alternatively riding people coming from different ways on an intersection or section of a road.


== Tagging ==
== Tagging ==
{| class="wikitable"
*{{Tag|highway|traffic_signals}}
|+ Tagging scheme for {{tag|highway|traffic_signals}}

|-
This would apply to nodes only
! Tag

! Notes
=== Additional values ===
|-
[[Image:Taffic_signals_with_sound_ja.jpg|thumb|left|Traffic signals with a sound device]]
| {{Tag|name}}
| Name.
|-
| {{Tag|ref}}
| Reference.
|-
| {{Tag|traffic_signals:sound||''yes/no''}}
| Traffic signals with sound for the visually impaired.
|-
| {{Tag|traffic_signals:vibration||''yes/no''}}
| Traffic signals with vibration for the visually impaired.
|}


See also [[Key:crossing]].
See also [[Key:crossing]].

Suggested tags for traffic signals with sound and/or vibration for the visually impaired:
*{{Tag|traffic_signals:sound||''yes/no''}} (already rendered at [http://blind.accessiblemaps.org Blindmap].)
*{{Tag|traffic_signals:vibration||''yes/no''}} (already rendered at [http://blind.accessiblemaps.org Blindmap].)

[[Category:Disabilities|Traffic signals]][[Category:Visual Impairment|Traffic signals]]
<br clear=left/>


== Rendering ==
== Rendering ==
{| class="wikitable" style="text-align:center;"
An icon could be displayed either on the road, or on all affected ways, a little off the road.
! width=120px | Mapnik
! width=120px | Osmarender
! width=120px | OpenCycleMap
|-
| ?
| [[File:Rendering-traffic singals.jpg]]
| ?
|}


== How to use ==
== Notes ==
As of now, there is no well established convention.
As of now, there is no well established convention.


For simple intersection of 4 sections, the intersection node is simply tagged.
For simple intersection of 4 sections, the intersection node is simply tagged. But when it comes to some more complicated intersections, many parameters come into account. See the intersection below

But when it comes to some more complicated intersections, many parameters come into account. See the intersection below


[[Image:Traffic_signals_example_1.png]]
[[Image:Traffic_signals_example_1.png]]
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Please discuss this on the discussion page or on [[Proposed features/Set of Traffic Signals]].
Please discuss this on the discussion page or on [[Proposed features/Set of Traffic Signals]].


== See also ==
[[Category:Disabilities]]
* [http://blind.accessiblemaps.org Blindmap]
[[Category:Visual_Impairment]]

[[Category:Disabilities|Traffic signals]]
[[Category:Visual Impairment|Traffic signals]]

Revision as of 22:12, 25 March 2010

Public-images-osm logo.svg highway = traffic_signals
Led traffic lights.jpg
Description
A traffic signal for regulating circulation. Edit this description in the wiki page. Edit this description in the data item.
Rendering in OSM Carto
Traffic light-16.svg
Group: highways
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations (except multipolygon relations)
Useful combination
Status: approved

Description

See traffic light on Wikipedia

Traffic signals are automated mechanisms letting alternatively riding people coming from different ways on an intersection or section of a road.

Tagging

Tagging scheme for highway=traffic_signals
Tag Notes
name=* Name.
ref=* Reference.
traffic_signals:sound=yes/no Traffic signals with sound for the visually impaired.
traffic_signals:vibration=yes/no Traffic signals with vibration for the visually impaired.

See also Key:crossing.

Rendering

Mapnik Osmarender OpenCycleMap
? Rendering-traffic singals.jpg ?

Notes

As of now, there is no well established convention.

For simple intersection of 4 sections, the intersection node is simply tagged. But when it comes to some more complicated intersections, many parameters come into account. See the intersection below

Traffic signals example 1.png

The horizontal ways are actually one large way. The problem is how to make sure the "traffic_signals" is applied to all "ways". To make sure it applies to the two horizontal ways, we should add the tag to both nodes intersecting with the vertical way. But that'd make two separate traffic signals, and there is physically ONE set of traffic signals.

Please discuss this on the discussion page or on Proposed features/Set of Traffic Signals.

See also