Using the Common Japanese Junction. https://www.openstreetmap.org/#map=16/36.2414/138.8943
I ran a route from the highway: https://www.openstreetmap.org/directions?engine=mapzen_car&route=36.23997%2C138.89054%3B36.24526%2C138.89465#map=17/36.24221/138.89378 I ran a route to the highway https://www.openstreetmap.org/directions?engine=mapzen_car&route=36.24529%2C138.89454%3B36.24077%2C138.89946#map=17/36.24294/138.89512 Do these instructions look correct? I am sure more interchange sign information could be added to the data to give the user more information to help with confusion. If there was mapillary at interchange I could add more of the interchange information. Apologies - I am just trying to understand what the issue is with respect to user guidance confusion. (and I do not know Japanese) Thanks, Duane On Wed, Jun 1, 2016 at 10:20 PM, John Willis <[email protected]> wrote: > > > > > Javbw > On Jun 2, 2016, at 7:59 AM, Duane Gearhart <[email protected]> wrote: > > Can you give an example route using osm.org of where there is an issue? > > > I will re-read the tagging pages to make sure I am not confused, but if a > "motorway_junction" = exit, and there is no implicit tag for entrances, > this works fine in most places because there is usually a entrance-exit > pair for each direction of travel. > > I assume because the ways are connected with a shared node that routing > software can tell where to turn and where to go, but since the junction is > used as a rendered label of the intersection, that visually might be > confusing if there is an exit/entrance only in one direction on the > motorway or if there is an entrance only. > > In the freeway system of America, the entrances and exits will be 4 > separate motorway_links that separately leave a normal road to join the > motorway, but that is not expected in Japan - a single entrance-exit > intersection for all directions of travel is common - so having a separated > entrance or a junction with an exit for only one direction of travel is > rendered confusingly. I have also come across junctions with named sections > (gate 1&2) handling their own entrance and exit _links under the guise of > being a single "junction". > > Common Japanese Junction. > https://www.openstreetmap.org/#map=16/36.2414/138.8943 > > Common US underpass Junction > https://www.openstreetmap.org/#map=17/32.93673/-117.11117 > > Orphaned US entrance. > https://www.openstreetmap.org/#map=19/32.72472/-117.15108 > (This is for 163 north, entrance on the other side is for 5 south or 94 > west) > > Separated Japanese Junction (etc only, causes wrong way drivers because of > separation) > https://www.openstreetmap.org/#map=15/36.3073/139.0912 > > Japanese Exit only southbound (C22). Entrance only northbound. (Orphaned > exit & orphaned entrance)This was the junction that had me question why the > entrance _link had a junction tag on it. > > The tollway is in a tunnel under the primary road. > > https://www.openstreetmap.org/#map=16/35.6639/139.6882 > > Weird junction that has 2 "gates" that lead to different major roads to go > to two different tourist attractions (Mt Fuji & Hakone Caldera) but all > under the same junction name and reference (ref=7) instead of the normal > separation of close junctions (ref=7 & ref=7-1) > > https://www.openstreetmap.org/#map=15/35.2952/138.9500 > > > > > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging > >
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