Re: Linux Functionality?
Paul Johnson wrote:
On Monday 27 December 2004 03:42 pm, Steve Lamb wrote:
ObUselessGeographyLesson: East/West numbered high/free-ways in
the US are even numbered. North/South are odd numbered. They are
numbered low-to-high from south-to-north and west-to-east.
Not any more. OR-551 runs north-south and is rather west in the state
from what I can tell (it's new enough that I have yet to see a map that
reflects its existence, though driving around at 2AM last night seems
to put 551 as being a freak of ODOT).
State highways are not part of the national Interstate Highway System,
and don't have to follow the same numbering rules at all. (I assume OR
means "Oregon State Highway" in this case.) Some states do, some states
don't.
Also, three digit Interstate numbers like "I-270" here in Denver,
indicate...
First digit even = "Loop" around the city serviced by the last two digits.
(i.e. "270" is a loop around the city of Denver to avoid a portion of I-70.)
First digit odd = "Spur" into or out of the city serviced by the last
two digits.
Around here we go in circles a lot...
I-270, I-225...
Weirder...
C-470, E-470, W-470, and the "Northwest Parkway" are all the same
highway around here that's one big loop around the city, but each
section is named differently as one is a standard Interstate Highway
System & State-purchased road, and two are different toll-roads paid for
by different companies. W-470 isn't built yet. They city of Golden
thinks they're more important than the rest of the metropolitan area and
shouldn't be bothered by things like road construction, I guess.
You'll find in really large cities, they run out of loop numbers 2, 4,
6, 8 and have to change the last two digits. Chicago is an example of
this, if I remember correctly.
Nate
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