[Talk-us] Fwd: What is a dual carriageway?

Martijn van Exel m at rtijn.org
Sun Jan 15 18:16:42 GMT 2012


And to the list..

---------- Forwarded message ----------
From: Martijn van Exel <m at rtijn.org>
Date: Sun, Jan 15, 2012 at 11:16 AM
Subject: Re: [Talk-us] What is a dual carriageway?
To: Nathan Edgars II <neroute2 at gmail.com>


On Sun, Jan 15, 2012 at 10:53 AM, Nathan Edgars II <neroute2 at gmail.com> wrote:
> Essentially there are very few advantages to mapping it as two ways, and
> many to mapping it as one.

The added advantage of mapping a real dual carriageway (with physical,
non-passable median) as two ways is that all the turn restrictions are
sorted. But again, I'd strongly advise against mapping any road that
is one physical continuous slab of road surface as two way entities.

--
martijn van exel
geospatial omnivore
1109 1st ave #2
salt lake city, ut 84103
801-550-5815
http://oegeo.wordpress.com


-- 
martijn van exel
geospatial omnivore
1109 1st ave #2
salt lake city, ut 84103
801-550-5815
http://oegeo.wordpress.com



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