On 31/08/16 13:44, Andrew Davidson wrote: > Turn restrictions are, after all, entirely tagging for the router (it's > not like they get rendered on the map).
"Tagging for the renderer" (similar to "tagging for the router") is a bad thing when people add _incorrect_ data in order to get it to show up nicely on the map. If the playground at a local school had a red tarmac play area, and you map it as building=industrial because that gets the correct reddish colour, *thats* tagging for the renderer. You've added bad data so that you could get a nice map. Instead you should change the renderer In this case, if you're not legally allowed to make that u turn, then adding a no_u_turn restriction isn't *incorrect*. Perhaps routers should know about all the local restrictions, or deduce it from the geometry, but adding such a turn restriction isn't added incorrect data. --
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