[Tagging] Low Emission Zones

[Fernando Trebien]

Low Emission Zones (LEZs) have different regulations by country. [1] I
think a simple lez=yes would be a good start to at least allow a
routing application to generally avoid them if requested by the user.
[2] The alternative would be to detail each restriction, such as what
types of fuel or engine are allowed, which would require some new
tags. A quick look at the various schemes [3] reveals a variety of
rules, sometimes quite complex.

[1] https://en.wikipedia.org/wiki/Low-emission_zone
[2] https://wiki.openstreetmap.org/wiki/Key:access
[3] https://urbanaccessregulations.eu/


On Tue, 23 Mar 2021 at 11:13, Dave F via Tagging
<tagging at openstreetmap.org> wrote:
>
> Hi
>
> There is a boundary tag for various restrictions on motor vehicle
> entering a city:
>
> https://wiki.openstreetmap.org/wiki/Tag:boundary=low_emission_zone
>
> This is fine to give a general indication of its layout, but there
> appears to be no tags for nodes on the highways.
>
> How are sat-nav routers aware of such a restriction?
>
> Would highway=low_emission_zone work?
>
> DaveF
>
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--
Fernando Trebien