<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Sep 23, 2014, at 7:39 PM, Lukas Sommer <<a href="mailto:sommerluk@gmail.com">sommerluk@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">> As I understand it, the local access roads would be an unclassified road
with bollards or a kind of barrier at each end, and with trunk links,
(or one way unclassified roads?) that lead onto the actual new trunk
road.<div><div><br>There is not much documentation on the wiki. The only thing that I found was a statement at <a href="http://wiki.openstreetmap.org/wiki/Tag:highway%3Dservice">http://wiki.openstreetmap.org/wiki/Tag:highway%3Dservice</a> that says that highway=service is wrong, but everything else is okay.<br></div></div></div></blockquote><div><br></div><div>highway=service & service=alley sounds really good to me - parallel to the main road, narrow, and for local access only - at least in this instance (and a ton of others here)</div><br><blockquote type="cite"><div dir="ltr"><div><div><br></div><div>I agree that *_link is not good. (Also because you can often use the frontage road with smaller/slower cars than the main road.)<br></div></div></div></blockquote><div><br></div>Set it to unclassified currently for my example <a href="http://www.openstreetmap.org/edit#map=18/36.34904/139.28130">http://www.openstreetmap.org/edit#map=18/36.34904/139.28130</a> I quickly mapped out a frontage road along the secondary.<br><blockquote type="cite"><div dir="ltr"><div><div><br></div><div>As frontage roads are quite common in some countries, I think it would be useful to create a wiki page with some documentation and a best practice guide.<br></div></div></div></blockquote><div><br></div>I'm surprised to see so many new large roads here in Japan planned with extensive (and narrow, dead-ending near intersections) frontage roads. Every new major road in my area made int he last 2-3 years has them now. they all look similar to the one linked originally and my example. <br><div><br></div>+1 </div><div><br><blockquote type="cite"><div dir="ltr"><div><div><br></div><div>Proposal for the content:<br><br></div><div>– frontage roads are never highway=*_link nor highway=service<br></div><div>– frontage roads have usually a lower level than the main road (which one is up to the mapper to decide)</div></div></div></blockquote><div><br></div>if it is not of (severely) lower importance, it isn't a frontage road. <br><div><br></div></div><div><blockquote type="cite"><div dir="ltr"><div><div><br></div><div>Example: If the main road is secondary, the frontage road must be one of “tertiary” or “unclassified” or “residential”.<br><br></div></div></div></blockquote><div><br></div><div><div>Tertiary max, if not unclassified max . I mean, a big road often parallels a major way, but this is mostly discussing local access being separated from the faster, adjacent road for traffic management reasons. </div><div>I don't think there are going to be many beyond unclassified, as they are just chopped up little pieces of road just for local access to driveways and alleys.</div><div><br></div><div>That might be a good test - if you think it is tertiary, it probably is't a frontage road, as these scream "local access" and nothing more.</div><div><br></div></div><br><blockquote type="cite"><div dir="ltr"><div><div>Could this be a useful guide?<br></div></div></div><div class="gmail_extra"><br clear="all"><div>Lukas Sommer</div>
</div></blockquote></div><br><div><br></div><div>Thanks for all the work.</div><div><br></div><div><br></div><div>Javbw</div></body></html>