[OSM-talk] [tagging] RFC :left/:right (asymmetrical roadside features)

Simon Ward simon at bleah.co.uk
Tue Feb 17 22:40:22 GMT 2009

On Tue, Feb 17, 2009 at 07:51:12PM +0000, Dave Stubbs wrote:
> > Oneway is strange in that as well as yes/no you can have oneway=-1
> > for one way in the opposite direction of the way, and I still can't
> > work out why that is necessary.
> Because none of the editors had a "reverse way" tool :-). I think JOSM
> could reverse a segment, but that's was about it. Figuring out the
> direction of a way was generally somewhat challenging.

Fortunately they do now, unless I'm misinterpreting.  JOSM even handles
oneway and *:left and *:right by swappng them.

A complex system that works is invariably found to have evolved from a
simple system that works.—John Gall
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