[Tagging] Marking dual carriageways

[Paul Johnson]

How is this, in any way, incorrect rendering, particularly at higher zoom
levels?


On Thu, Jul 10, 2014 at 4:07 PM, Mateusz Konieczny <matkoniecz at gmail.com>
wrote:

> Road itself is not oneway as it has two one-way carriageways in opposite
> directions. Carriageways are mapped in OSM as separate one-way ways.
>
>
> 2014-07-10 21:32 GMT+02:00 John F. Eldredge <john at jfeldredge.com>:
>
> I am confused. You state that the road is divided into two carriageways,
>> that neither carriageway is one-way, and also that each carriageway is
>> one-way.  How can a given carriageway be both one-way and not one-way at
>> the same time?
>>
>>
>> On July 10, 2014 5:20:16 AM CDT, Mateusz Konieczny <matkoniecz at gmail.com>
>> wrote:
>> > I am thinking about marking tagging roads with separate carriageways.
>> > I
>> > want to create map with oneway roads, but in OSM data roads with
>> > separate
>> > carriageways that are not oneway are frequently represented as
>> > separate
>> > ways, both tagged as oneway.
>> >
>> > Adding tag that that would describe way as part of dual carriageway,
>> > with
>> > twin road leading in opposite direction would allow to solve this
>> > problem.
>> >
>> > I am currently thinking about good name for this tag and whatever
>> > there is
>> > possibly to achieve this result solely by processing OSM data
>> > (processing
>> > is probably necessary anyway to catch cases like
>> > https://www.openstreetmap.org/way/182138211 ).
>> >
>> >
>> > ------------------------------------------------------------------------
>> >
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>> --
>> John F. Eldredge -- john at jfeldredge.com
>> "Darkness cannot drive out darkness; only light can do that.  Hate cannot
>> drive out hate; only love can do that."
>> Dr. Martin Luther King, Jr.
>>
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>
>
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