[OSM-talk] WG: AW: Re: Call for contributions: restriction/recommendation symbols on destination signs

[David Marchal]

David Marchal <penegal.fr at protonmail.com> schrieb am Sonntag, 7. August 2022 um 18:49:


> Nope, I'm looking for any symbols, put on destination signs, which explicit that drivers using a route to reach a destination may encounter hazards or limitations, or advising that some vehicles should use an alternate route. This may be about some kinds of vehicles, or about vehicle characteristics: maximum axle load, maximum length, no HGV over 5,5t… (https://wiki.openstreetmap.org/wiki/File:Panneaux_D21b_D922E1.jpg or https://commons.wikimedia.org/wiki/File:Knuten_skilt.JPG)
>
> I browsed the MUTCD, but it seems that, as you put it, such symbols are not used on destination signs, so the eventual proposal would virtually be useless in the USA.
>
> Thanks anyway!
>
> Kind regards.
>
>
> Gesendet mittels einer sicheren E-Mail von Proton Mail.
>
>
> ------- Original Message -------
> Minh Nguyen minh at nguyen.cincinnati.oh.us schrieb am Sonntag, 7. August 2022 um 04:05:
>
>
>
> > Vào lúc 00:08 2022-07-19, David Marchal via talk đã viết:
> >
> > > Hello, there!
> > >
> > > I'm drafting a proposal about destination signs: sometimes, there are
> > > symbols that warn the driver about restrictions ahead or, conversely,
> > > that a given route should be preferred if his/her vehicle matches some
> > > characteristics.
> > >
> > > For instance, on this picture
> > > (https://commons.wikimedia.org/wiki/File:Panneaux_D21b_D922E1.jpg
> > > https://commons.wikimedia.org/wiki/File:Panneaux_D21b_D922E1.jpg), HGV
> > > above 12t should not turn left to reach the center of the town, and HGV
> > > should turn right to reach whatever destination they want (« Toutes
> > > directions » literally means "All directions").
> > >
> > > I've found a complete nomenclature of such signs for France, but don't
> > > have examples in other countries. If the destination signs of your
> > > country show such restriction/recommendation symbols, could you please
> > > give me example pictures with the meaning of the displayed symbol? That
> > > could greatly help me to improve my proposal.
> > >
> > > Thanks in advance! 😘
> >
> > Are you looking for symbols for vehicle type specifically? In the U.S.,
> > I tend to see these symbols on regulatory (prohibitory) signs rather
> > than destination signs. The MUTCD doesn't rely on symbols nearly as much
> > as in Europe, preferring words for anything that's relatively uncommon,
> > but the symbols it does specify are very widely recognized.
> >
> > You can find these symbols and the equivalent OSM tags in the subpages
> > of https://wiki.openstreetmap.org/wiki/MUTCD. Series R and W contain
> >
> > some symbols of vehicle types, while series D and RS contain many
> > symbols of destination types. Be sure to check out each state, which can
> > define its own symbols; the U.S. community is working to add more
> > states, but for now you'll have to rely on the official references for
> > most of them.
> >
> > Hope this helps!
> >
> > --
> > minh at nguyen.cincinnati.oh.us