On 5/12/2011 9:45 PM, M∡rtin Koppenhoefer wrote:
> 2011/5/12 Nathan Edgars II<[email protected]>:
>> On 5/12/2011 2:31 PM, M∡rtin Koppenhoefer wrote:
>>>
>>> 2011/5/12 fly<[email protected]>:
>>>>
>>>> What do we do with dual-carriage ways ?
>>>> Sometimes there exist paved connections between both directions. Maybe
>>>> blocked by a barrier but that is no need.
>>>
>>> if they are constantly connected (no change of the paving, no physical
>>> barrier) it's actually not a dual-carriage way. If these connections
>>> are punctually you'd simply draw them explicitly and tag them as what
>>> they are (incl. turn restrictions. etc.)
>>
>> Well, one could have a single area of pavement with barriers placed
on top
>> to separate it into two carriageways.
>
> Hi Nathan Edgars II,
>
> that's why I wrote above: "no physical barrier"
OK, but there's still the issue of a so-called "flush median". I think
in a rural area with few intersections this would be called a dual
carriageway. I can't find an image, but Interstate 90 used to have one
over Lookout Pass in Idaho. You can imagine
http://www.youtube.com/watch?v=cPaP3K9xp3g with the concrete barrier
removed.
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