[Tagging] Driving side

Fernando Trebien fernando.trebien at gmail.com
Fri Mar 21 21:06:37 UTC 2014


We only map the roads because we have an interest in using them,
right? Therefore, we also often map how vehicles are supposed to use
these roads. See: access, oneway, maxspeed, surface, tracktype,
smoothness, height, restriction, etc.

On Fri, Mar 21, 2014 at 5:54 PM, Colin Smale <colin.smale at xs4all.nl> wrote:
> Sorry, bad idea. We map the roads, not the vehicles. It is not illegal to
> drive a car with the wheel on the "wrong" side - millions of Europeans do it
> regularly, both on holiday and because certain models of car are only made
> for certain markets. Let's stick to driving_side referring to the side of
> the road.
>
> By the way, when Samoa changed from driving on the right to driving on the
> left a couple of years ago, that was because most of the vehicles were
> imported second-hand from Australia and therefore had the steering wheel on
> the right anyway...
>
> Colin
>
>
>
> On 2014-03-21 21:24, Fernando Trebien wrote:
>
> I wonder what you mean by "Is there any interest of using it on
> countries?". It's been defined for countries, and is used on it, as
> you said.
>
> You could simply tag the country with "driving_side=right/left" and
> use the same (but with the opposite value) on those streets.
>
> That said, I think driving side also implies "driver side" inside the
> vehicle. Though I find it very unlikely to see this information in use
> one day, it's best to define this meaning early on. A change of driver
> side requires either a change of vehicle or some special vehicle that
> can drive on both sides. In the case of your city, driving side
> changes, but driver side doesn't. You could include that in the
> description of "opposite".
>
> One more thing: this only makes sense if there is no physical barrier
> between the opposite traffic directions. If there is, then it's just a
> separate way with no special change in driving side.
>
> On Fri, Mar 21, 2014 at 5:19 PM, Fernando Trebien
> <fernando.trebien at gmail.com> wrote:
>
> On Fri, Mar 21, 2014 at 5:07 PM, John Packer <john.packer7 at gmail.com> wrote:
>
> There is a tag documented on the wiki called driving_side=right/left.
> According to it's description, this tag should only be used on countries,
> and it describes the side of the traffic in the whole country. So far so
> good, but according to taginfo it is used only once on a relation, however
> there are some uses on some ways, and even nodes(?). There are, in my city,
> a couple of streets that have an inverted driving side. So I am going to
> extend this tag's documentation to include ways that have it's driving side
> opposite to it's country's normal driving side. Is there any interest of
> using it on countries? If there is not, I will exclude the possibility of
> use on countries from this tag's documentation. Perhaps, with this new
> definition, this tag could be redefined to have only one value:
> driving_side=opposite (this way, it could avoid any confusion about it's
> use) What do you think? _______________________________________________
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>
> -- Fernando Trebien +55 (51) 9962-5409 "The speed of computer chips doubles
> every 18 months." (Moore's law) "The speed of software halves every 18
> months." (Gates' law)
>
>
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-- 
Fernando Trebien
+55 (51) 9962-5409

"The speed of computer chips doubles every 18 months." (Moore's law)
"The speed of software halves every 18 months." (Gates' law)



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