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<p>I would definitely support recording physical things like signs and road markings; interpretation of what this might mean should be left to the data consumer (router). It is therefore important that our tagging model conveys enough nuances to the router to cover the cases we want to cover. For example, are we just tagging for cars? Or do we want to show where things are different for cyclists, trucks, buses etc?</p>
<p>In the case of traffic lights and give way indications on the same junction, they should ideally both be represented - it's up to the router to make inferences based on that information, and any other input it considers, when estimating delays and choosing a route.</p>
<p>Other cases for variable delays: 4-way stops (US) or non-priority crossings (Europe), "right turn on red" at traffic lights, junctions/roundabouts where the roads have unequal/variable traffic density (to leave my residential road at around 0800 on a Monday, it can take 10 minutes at the head of the queue to get onto the main road...)</p>
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<p>On 2020-12-28 19:19, António Madeira wrote:</p>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">So, what would be a good name?</span><br /> <span style="white-space: nowrap;">"turn_signs" maybe?</span><br /> <br /> <br /> <span style="white-space: nowrap;">Às 11:57 de 28/12/2020, Martin Koppenhoefer escreveu:</span>
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<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><span style="white-space: nowrap;">On 28. Dec 2020, at 13:39, Colin Smale <<a href="mailto:colin.smale@xs4all.nl">colin.smale@xs4all.nl</a>> wrote:</span><br /> <br /> <span style="white-space: nowrap;">Here in NL for example, the give-way signs and lines across the road are still there, even if the light is green. If someone drives through red and hits you, but they have priority according to the give-way lines, you have a 50-50 discussion. Give way is give way. And of course there are part-time traffic lights.</span></blockquote>
<br /> <span style="white-space: nowrap;">I don't know in NL, but generally there is a hierarchy policemen - traffic lights - traffic signs / road markings (also for road markings there might be a convention, e.g. in Germany yellow markings are temporary and have precedence over white markings). I believe this hierarchy is in the Vienna Convention on road traffic, but I might be wrong on this.</span><br /> <br /> <br /> <br /> <span style="white-space: nowrap;">Cheers Martin</span><br /> _______________________________________________<br /> <span style="white-space: nowrap;">Tagging mailing list</span><br /> <span style="white-space: nowrap;"><a href="mailto:Tagging@openstreetmap.org">Tagging@openstreetmap.org</a></span><br /> <span style="white-space: nowrap;"><a href="https://lists.openstreetmap.org/listinfo/tagging" target="_blank" rel="noopener noreferrer">https://lists.openstreetmap.org/listinfo/tagging</a></span></blockquote>
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