[Talk-us] Freeway directions

Saikrishna Arcot saiarcot895 at gmail.com
Thu Oct 17 20:48:27 UTC 2013

Just to add, three-digit routes tend to be either regional or be 
loop-shaped, where the designated direction changes.

Saikrishna Arcot

On Thu 17 Oct 2013 03:40:07 PM EDT, Ian Dees wrote:
> On Thu, Oct 17, 2013 at 2:31 PM, Martijn van Exel <m at rtijn.org
> <mailto: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?
> I'm sure someone will pipe up with more authoritative answers, but as
> far as I know interstates can only be east/west or north/south.
> North/south roads are odd numbered and east/west are even.
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