Winter road service: salt dosing differs from driver to driver
Why salt dosing on winter roads varies between drivers and conditions, and how a model fed with road-weather data could use less salt safely.
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Salt dosing depends on the driver, not on the road
What happens. Gritters spread salt where and when the driver thinks it is needed. Two drivers under the same conditions put out very different amounts. Salt can run short in a hard winter, and nobody sees the road surface temperature at every stretch.
What it costs. Salt cost, damage to roads, bridges and the environment from over-salting, and slippery sections where too little is spread. When stocks run low, the issue becomes one of supply.
Why the usual fix fails. Instructions on paper leave a lot to the driver’s judgement. Salting at higher rates for safety costs money and gets worse in a salt shortage.
How a fixed-price remote diagnosis checks it. From road-weather station data, forecasts, spreader logs and salt use, I check how much the dosing varies and whether a model could suggest a dose by stretch and time. The fixed-price remote diagnosis tells you what saving is plausible without a loss of safety.
Background: Control that adapts to drift and wear
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