<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Hi,</div>
<div>in a discussion during voting on my proposal of traffic_signals=crossing_only (https://wiki.openstreetmap.org/wiki/Proposed_features/traffic_signals%3Dcrossing_only)</div>
<div>there was mentioned that the existing values of traffic_signals=* partial rather describe the configuration of a traffic signal (blinker, continuous_green, blink_mode) than describing their responsibilty. But I think that's not the case for all ones, because "emergency", "bus/tram_priority" and "ramp_meter" are responsibilities, to me.</div>
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<div>But how to tag a traffic signal which is blinking every time (blink_mode) but only activated/chaging to red for the cars when a pedestrian wants to cross (traffic_signals=crossing_only) then? Two tags get in conflict here, but I think both have a legitimation to get tagged. The same cann appear for a "bus_priority" signal, for example.</div>
<div>My question is, whether we need a new key for differentiation between "how is a traffic light configured" and "for what is a traffic light responsible".</div>
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<div>Something like "traffic_signals:default_light"? Then the "resposibility" of a traffic light can go on traffic_signals=*, and traffic_signals:default_light could describe if the signal has a light before getting activated, so values could be "staying_green","staying_yellow","blinking_yellow", something like this.</div>
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<div>I would like to hear/read what you think.</div>
<div>--Lukas</div>
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<div style="margin:0 0 10px 0;"><b>Gesendet:</b> Freitag, 08. Mai 2020 um 11:25 Uhr<br/>
<b>Von:</b> Lukas-458@web.de<br/>
<b>An:</b> tagging@openstreetmap.org<br/>
<b>Betreff:</b> Re: [Tagging] Feature Proposal - Voting - traffic_signals=crossing_only</div>
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<div>Hi,</div>
<div>at the moment, there are not so many people who looked at my proposal for traffic_signals=crossing_only :</div>
<div><a href="https://wiki.openstreetmap.org/wiki/Proposed_features/traffic_signals%3Dcrossing_only" target="_blank">https://wiki.openstreetmap.org/wiki/Proposed_features/traffic_signals%3Dcrossing_only</a></div>
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<div>I would look forward to some more people comment or vote on my proposal which has the aim to distingiush those highway=traffic_signals on "straight road" which control only a crossing from other types of traffic signals.</div>
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<div>Current tagging (highway=crossing/crossing=traffic_signals, sometimes + button_operated=yes), does not allow to distinguish them clearly.</div>
<div>It carries potentially information because the traffic lights I mentioned have other circuits and are often activated on-demand only.</div>
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<div>If questions comment either here or maybe rather on the discussion page.</div>
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<div>--Lukas</div>
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<div style="margin: 0 0 10.0px 0;"><b>Gesendet:</b> Freitag, 01. Mai 2020 um 14:05 Uhr<br/>
<b>Von:</b> Lukas-458@web.de<br/>
<b>An:</b> tagging@openstreetmap.org<br/>
<b>Betreff:</b> [Tagging] Feature Proposal - Voting - traffic_signals=crossing_only</div>
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<p style="margin-bottom: 0.0cm;">Hello to everyone,</p>
<p style="margin-bottom: 0.0cm;">Voting has opened for the proposal of traffic_signals=crossing_only – see the proposal page here: <a href="https://wiki.openstreetmap.org/wiki/Proposed_features/traffic_signals%3Dcrossing_only" target="_blank">https://wiki.openstreetmap.org/wiki/Proposed_features/traffic_signals%3Dcrossing_only</a></p>
<p style="margin-bottom: 0.0cm;"> </p>
<p style="margin-bottom: 0.0cm;">(please note the old name was traffic_signals=crossing_on_demand, but I changed that because the focus is not on the „on demand“, but on the „traffic lights for only a crossing“).</p>
<p style="margin-bottom: 0.0cm;"> </p>
<p style="margin-bottom: 0.0cm;">It has been discussed about on the mailing list at 2020-04-13 and a few days after.</p>
<p style="margin-bottom: 0.0cm;"> </p>
<p style="margin-bottom: 0.0cm;">The proposal's purpose:</p>
<p style="margin-bottom: 0.0cm;">traffic_signals=crossing_only marks those highway=traffic_signals which do only control a crossing</p>
<p style="margin-bottom: 0.0cm;"> </p>
<p style="margin-bottom: 0.0cm;">Why?</p>
<p style="margin-bottom: 0.0cm;">It's interesting for routers concerning penalty times (much lower on those points than for a junction) and at the moment, there is no real way to mark that:</p>
<p style="margin-bottom: 0.0cm;"> </p>
<p style="margin-bottom: 0.0cm;">highway=traffic_signals + crossing=traffic_signals is used together on the same node, but NOT only in those cases where there is a „crossing-only“ traffic light. It's also used on junctions. We discussed that it would be difficult to change that, because highway=traffic_signals + crossing=traffic_signals is an accepted tagging and can be used together also when the exact locations of the crossings - at a junction - are not known and in some other cases.</p>
<p style="margin-bottom: 0.0cm;"> </p>
<p style="margin-bottom: 0.0cm;">highway=traffic_signals + crossing=traffic_signals + button_operated=yes can be used, but with looking just at button_operated=yes, this does not mean that there is only a crossing and not a traffic junction. Crossings at junctions can have buttons for pedestrians, too, example: <a href="https://www.openstreetmap.org/node/3070180267" target="_blank">https://www.openstreetmap.org/node/3070180267</a></p>
<p style="margin-bottom: 0.0cm;">So the solution would be to add another under-category for highway=traffic_signals, as traffic_signals=* does it already.</p>
<p style="margin-bottom: 0.0cm;">--Lukas</p>
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