[Tagging] Driving side

Fernando Trebien fernando.trebien at gmail.com
Fri Mar 21 20:24:21 UTC 2014


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)



-- 
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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