I would like to come back to the original point of no-U-turn relations where there are no (vertical) road signs. This [1] is one of the incriminated junctions. For me it is clear from the horizontal signing 8white lines, that this is a no-U-turn situation (or only-straight-on, if you prefer that relation) I am mapping in Italy and I would put on an equivalent junction an "only-straight-on" relation. At least here it is clearly forbidden to cross the solid white lines. I Italy most of these junctions are at present without restriction relations, I suppose mainly because it's considered a minor mapping omission, but not because it would be wrong. And from the traffic point of view it makes sense. If you have taken a wrong exit from a roundabout, it is in many cases simply unsafe to try a U-turn in the exit. I accept the argument that we could create a simpler way of tagging this frequent situation, I agree that the relation approach is cumbersome, but is not at all a tagging error.
[1] https://www.google.com/maps/@-27.2248745,153.0213349,3a,75y,17.24h,84.45t/data=!3m7!1e1!3m5!1sG9sdGahkykTjbfa1uHn5-w!2e0!6s%2F%2Fgeo3.ggpht.com%2Fcbk%3Fpanoid%3DG9sdGahkykTjbfa1uHn5-w%26output%3Dthumbnail%26cb_client%3Dmaps_sv.tactile.gps%26thumb%3D2%26w%3D203%26h%3D100%26yaw%3D208.76964%26pitch%3D0%26thumbfov%3D100!7i13312!8i6656 <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Virus-free. www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
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