Wheel-based sensors for detection of
ice on roads and approximate measurement
of the thickness of the ice are
under development. These sensors
could be used to alert drivers to hazardous
local icing conditions in real
time. In addition, local ice-thickness
measurements by these sensors could
serve as guidance for the minimum
amount of sand and salt required to be
dispensed locally onto road surfaces to
ensure safety, thereby helping road
crews to utilize their total supplies of
sand and salt more efficiently.
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