<html dir="ltr"><head></head><body style="text-align:left; direction:ltr;"><div>On Sat, 2020-10-03 at 14:05 +0100, Brian Prangle wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="ltr"><div>Hi</div><div><br></div><div>There seems to be a predilection for adding turn restrictions , either no right rurns or no U turns at the exit flares of roundabouts to prevent turning back into the entry flares where there are no explicit signed restrictions. I suspect this is "rendering for routers". Do routers actually need this data? I'm tempted just to delete them all wherever I meet them, but I suspect there are thousands of them and there'll be howls of complaint. <br></div><div><br></div></div></blockquote><div>They do seem to be unnecessary and are not legal unless signed.</div><div><br></div><div>Whilst you may find them playing with routers on a pc, no real world satnav will ever detect that you have taken a wrong turning and reroute within a timeframe that these would ever be an issue.</div><div><br></div><div>I would probably remove them after survey and it could be worth commenting when mapper adds these asking for reasoning. </div><div><br></div><div>The danger of removing them without survey is that we could remove a rare real restriction. They are unecessary but harmless IMHO.</div><div><br></div><div>Phil (trigpoint)</div></body></html>