The United States currently uses $1.2 billion in deicing salt per year to combat inclement weather conditions. Typically, salt application rates are pre-set based on a variety of factors, though operators can temporarily alter application rates based on their own observations.
A paper presented at the 2019 TRB annual meeting proposed extending spreader automation to adjust discharge rates in real time in response to curves and inclines, as well as by installing Radio-Frequency Identification (RFID) tags to communicate hazard zones to spreading vehicles.
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