28 May
2010
28 May
'10
9:34 p.m.
km signs indeed do exist. I-19 from Tuscon, AZ south
to the Mexico
border is an example.. distances and exit numbers are given in km. I
can't remember for sure if speed limits are give in km/h at all, but I
think they aren't.
They are not, and ADOT is gradually replacing the km signage with mile-based
signage as they reach replacement age. Although km markers are posted and
face the driver, ADOT also uses mile markers, turned at 90 degree angles,
for internal accounting.
http://www.floodgap.com/roadgap/6/entry?060803
Caltrans during the 1970s posted mile/km signs and a number of these are
still in service. One on I-15 N just south of CA 76 in San Diego, and another
one on US 395 S between CA 58 and I-15, come to mind.
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