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- #21
which roads?That's just how they package it in cans.
Our roads aren't concrete. They're asphalt.
and I guess some urban dwellers have concrete driveways
or uninformed individuals are calling their streets concrete
the USGS says our freeways are 11" of concrete/ asphalt mix over base aggregate
I'm not going to get into an engineering debate on road construction - I have 12' of layered crushed basalt over 4" of 3" basalt rock on top of fiberglass road mat that has supported 24 ton trucks
I know, because I speced it and watched it being built