I suspected that would be the case. I still like the idea of having
signposts every 100m and then just having an exit every 1600m rather than
every mile.

That way you still have a logical progression of signage.

Mike

On Feb 9, 2008 9:43 PM, Phil Chernack <[EMAIL PROTECTED]> wrote:

> I believe only three states still use sequential numbering for exits.
> States like Florida, Georga, Verigina and Pennsylvania switched to
> distance-based exit numbers in the past 5 or so years.  I brought this very
> issue up a while ago in this list as one of the things that needs to be
> considered when switching to metric.  The bigger problem is that exits are
> somewhat like area codes in the sense that many businesses use the exit
> number in their marketing.  Just as when an area code changes, businesses
> need to make changes to their marketing materials as well.  My guess is that
> if the switch is made to metric for highways, exit numbers will be the last
> thing to change and that change may take upwards of 20 years or so.  The
> only way I would see it happening sooner without state highway departments
> screaming bloody murder is if money is provided by the FHWA to do so.  I
> would also think that after a switch on speed limits and odometers, people
> will eventually want exits to be metric-based.
>
> BTW, the MUTCD specifies that exits may be based on either distance or
> sequential.  It is recommened to use distance based on either km or miles.
>
> Phil
>
> On Feb 9, 2008 11:12 PM, Mike Millet <[EMAIL PROTECTED]> wrote:
>
> > I'm doing a short paper for history class on the effects of the
> > Interstate Highway System on the United States.  One thing I noticed when
> > researching was that many states now number exits by the mile. My question
> > is, when the inevitable metric switch happens, will they renumber the
> > exits?  I know a lot of nations that have been metric for a while have
> > distance markers every 100m and exits every 1km if possible.
> >
> > Renumbering the exits seems like quite an extensive task. It makes me
> > wonder if the US should just signpost every 100m and then replace the sign
> > saying "exit 310 next 1 mile" with one saying "exit next 1.6km or 1600m"
> >
> > Thoughts?
> >
> > Mike
> >
> > --
> > "The boy is dangerous, they all sense it why can't you?"
> >
> > (\__/)
> > (='.'=)This is Bunny. Copy and paste bunny into your
> > (")_(")signature to help him gain world domination.
>
>
>


-- 
"The boy is dangerous, they all sense it why can't you?"

(\__/)
(='.'=)This is Bunny. Copy and paste bunny into your
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