[Talk-us] Freeway directions
brad.neuhauser at gmail.com
Thu Oct 17 19:39:15 UTC 2013
"In the numbering scheme, east-west highways are assigned even numbers and
north-south highways are assigned odd numbers. Odd route numbers increase
from west to east, and even-numbered routes increase from south to north
(to avoid confusion with the U.S. Highways, which increase from east to
west and north to south), though there are exceptions to both principles in
On Thu, Oct 17, 2013 at 2:31 PM, Martijn van Exel <m at rtijn.org> wrote:
> Yea, I realized that as well. There's even a section of I-80 / I-580
> in Berkeley, CA where the directionality of I-80 and I-580 is
> opposite... http://goo.gl/maps/XROab (The actual compass direction is
> more like N/S on that stretch.)
> I don't know if there's a definitive reference for the 'official'
> directionality of the freeways?
> On Thu, Oct 17, 2013 at 12:21 PM, Richard Welty <rwelty at averillpark.net>
> > On 10/17/13 3:14 PM, Ian Dees wrote:
> > The direction of a US Interstate isn't necessarily the compass direction
> > the road.
> > For example, this chunk of I-94 is "facing" south, but it's still
> > I-94.
> > http://www.openstreetmap.org/browse/way/33098899
> > this is true of many roads, not just interstates. there's one NY state
> > in the Adirondacks that is C shaped, so it's official "direction" is only
> > true for one of the three legs.
> > richard
> > _______________________________________________
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> Martijn van Exel
> Talk-us mailing list
> Talk-us at openstreetmap.org
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