Going with the theme of lazy wins out, having to convert a way into a dual carriageway is a pain. That is why using the tag kerb=center would 1) tell routing engines that left turns are not permitted and 2) possibly render more accurately. Dual carriageways renders [1] as if there is median when in fact it is only a kerb. This process could be expanded to include Jersey barriers.
An alternative could be barrier=center/left/right, barrier=kerb/Jersey_barrier [1] https://www.openstreetmap.org/#map=17/48.43575/-122.33675 On Tue, Jun 23, 2015 at 5:35 AM, Paul Johnson <ba...@ursamundi.org> wrote: > On Tue, Jun 23, 2015 at 2:42 AM, Martin Koppenhoefer < > dieterdre...@gmail.com> wrote: > >> >> 2015-06-23 1:58 GMT+02:00 Clifford Snow <cliff...@snowandsnow.us>: >> >>> I have a question about how to tag concrete kerbs that prevent vehicles >>> from crossing. Below are links to two different examples. Creating a dual >>> carriageway doesn't seem correct. Turn restrictions would help vehicles >>> routing, but that doesn't tell emergency vehicles that they can drive over >>> the kerb if necessary. Would adding a tag, kerb=center, be the best method >>> of tagging these highways? >>> >>> How do you tag these features? >>> >> >> >> >> >> I'd map them as dual carriageway. If you want to go into details you >> could use the area relation (type=area) and add barrier tags for the >> dividing kerb (implicit) or draw the kerb and add it as barrier object >> (explicit). This relation type is currently not evaluated AFAIK. >> > > Being lazy and not having anything that'll do AutoCAD-like fillets and > chamfers (seriously, how do we still not have shape tools beyond (and even > then, JOSM only) basic rectangles and diameter-defined circles anywhere?), > I'd be strongly inclined to just draw the kerb between the two lane=1 > carriageways. > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > > -- @osm_seattle osm_seattle.snowandsnow.us OpenStreetMap: Maps with a human touch
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