<div dir="ltr"><div>Hi,</div><div><br></div><div>I'd suggest the easiest solution is just to change the wiki.</div><div><br></div><div>Ian.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On 1 September 2016 at 09:37, Nick Hocking <span dir="ltr"><<a href="mailto:nick.hocking@gmail.com" target="_blank">nick.hocking@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid"><div dir="ltr"><span><div>"My suggestion is that the map data is the best place to store that<br>information."</div><div><br></div></span><div>Actually - the wiki page is very specific on this.<br></div><div><br></div><div>"When a particular turn restriction is <b>the default</b> for a given jurisdiction <b>and</b> is <b>not signed</b> <b>don't map them</b>. It is much better to ensure that routing engines embody the regional rule rather than mapping every occurrence as a turn restriction."</div><div><br></div><div><br></div><div>Ok so how do we "ensure that routing engines embody the regional rule:?</div><div><br></div><div>E-mailing their support address and asking them to study the road rules for every jurisdiction in the world is not going to cut it. So maybe the only way is to name and shame them in a public forum somewhere, but where?</div><div><br></div><div><br></div><div>I don't think that there is a routing engine out there that won't suggest crazy +90 degree turns on a high speed road.</div><div><br></div><div><br></div><div><br></div><div>Probably, the only solution is to advise users to always check the "don't allow u-turns" box on their navigators.</div><div><br></div><div>Also - how do we map a signed "U turn permitted" at traffic lights where the default is "not permitted"?</div></div>
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