Yes, motorway_junction is for exit ramps only. It is placed on the node on the motorway where the exit ramp starts.
Motorway entrance could be implicit and detected by software planning a route from a regular road to a motorway_link road through a toll booth. The name of the toll both can represent the name of the entrance (in Korea all toll booths are named with the interchange name). You could propose a new tag, motorway_entrance, to be placed on the node on the regular road where the motorway_link road starts? Andrew On 1 June 2016 at 08:41, John Willis <[email protected]> wrote: > > > On May 31, 2016, at 11:50 PM, Duane Gearhart <[email protected]> wrote: > > Also, you could add interchange information(destination* tag) on each way > at the fork in the ramp: > http://www.openstreetmap.org/way/59175151 > http://www.openstreetmap.org/way/285333466 > > Examples from here may help: > http://wiki.openstreetmap.org/wiki/Exit_Info > > > Thanks for the links - and I will use that for one problem posted (adding > info to the _link roads from toll plazas) - but the bigger question was > about the motorway_junction being placed on exit nodes, and how that > applies to entrance only junctions. It seems motorway_junction is only for > exit ramps, if I am reading it correctly. > > If we are using junction to just define the exit point on the motorway, > There should be some tag for the entrance and exit nodes on the normal > roads to define, in some complex situations, what entrance is named what > without using just the ref tag, I think - similar to how a subway has > entrance tags with their own ref and a separate station name with its own > ref. Many junctions wouldn't need it, but complex junctions (and the > motorways in Tokyo are insanely complex) might require additional > information for helping a driver both visually and spatially match the > map/navigation instructions to what they see in the real world, beyond a > lane and when to turn, because in some places it is a confusing spaghetti > mess and 50m makes a huge difference. > > Javbw. > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging > >
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