[Tagging] tagging large intersections cross-road sections
johnw at mac.com
Tue Jun 23 12:16:22 UTC 2015
OSM is heavily invested in the “lanes” concept for an individual way, so tracing the individual lanes of a road with multiple way lines breaks OSM’s routing (as I understand it) There are plugins for JSOM to let you view the lanes you make. I personally have no idea how to use them or how to map the ways going through an intersection, but I assume there is a way without tracing it lane by lane. it is a weird mix of visual, spatial representation and logical, tag based representation.
Ramps, and other linking roads that are actually separated - turn only lanes separated by islands, motorway exits and entrance ramps (slip roads?) , and other little roads that connect trunk, primary, secondary, and tertiary roads to other roads are tagged as “xxxx_link” - so it is already possible to map the slip roads for almost any kind of road using the existing highway=xxxx_link
> On Jun 23, 2015, at 5:34 PM, Florian Lohoff <f at zz.de> wrote:
> I was watching this video on Route Guidance of SOTM US
> At about Minute 8:10 he talks about multi-lane cross-sections
> and tagging of the short interconnects. I know the Problem with
> the names on them. He says commercial data providers to tag them
> as beeing parts of the crossing.
> Do we have tags for this?
> I'd love to improve route guidance by tagging ramps, cross sections etc.
> Florian Lohoff f at zz.de
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