There is one interstate that has metric exit numbers, I-19 in AZ.
http://www.interstate-guide.com/i-019.html
Looks like parts of it are reverting back to FFU, sadly. :(
Rich Kim
-----Original Message-----
From: [EMAIL PROTECTED] on behalf of STANLEY DOORE
Sent: Sun 2/10/2008 3:26 AM
To: U.S. Metric Association
Subject: [USMA:40403] Re: Exit numbering by distance.
The USDOT refused too accept the suggestion to use metric road markers and exit
numbers. The suggestion was made during the 1970s when there was a big push
for metrication in the US. So there is major opposition to going metric in the
USDOT. Good luck.
Stan Doore
----- Original Message -----
From: Mike Millet
To: U.S. Metric Association
Sent: Sunday, February 10, 2008 12:00 AM
Subject: [USMA:40401] Re: Exit numbering by distance.
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
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(='.'=)This is Bunny. Copy and paste bunny into your
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