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<p style="margin-bottom: 0cm">Hello to everyone,</p>
<p style="margin-bottom: 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">https://wiki.openstreetmap.org/wiki/Proposed_features/traffic_signals%3Dcrossing_only</a></p>
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<p style="margin-bottom: 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>
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<p style="margin-bottom: 0cm">It has been discussed about on the mailing list at 2020-04-13 and a few days after.</p>
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<p style="margin-bottom: 0cm">The proposal's purpose:</p>
<p style="margin-bottom: 0cm">traffic_signals=crossing_only marks those highway=traffic_signals which do only control a crossing</p>
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<p style="margin-bottom: 0cm">Why?</p>
<p style="margin-bottom: 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>
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<p style="margin-bottom: 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>
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<p style="margin-bottom: 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">https://www.openstreetmap.org/node/3070180267</a></p>
<p style="margin-bottom: 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: 0cm">--Lukas</p>
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