Winter gritting
THE CHALLENGE
Under the current system, gritting of the entire area is triggered when existing roadside monitoring centres record a certain temperature.
That might not tell the whole story for all roads and the council says it might be the case that not all roads are cold enough to require gritting.
Officers say that significant parts of towns and the city due to its urban nature, are likely to be warmer than the rest of the gritting area they are in.
How can the winter gritting program be optimised?
THE SOLUTION
Using the LoRaWAN Innovation Network, temperature monitoring sensors were embedded in some of Norfolk's road surfaces.
The data from those sensors will be used to determine whether the town could be treated less than currently, saving salt, fuel and driver time; but maintaining safety.
This will save money, but would also bring environmental benefits, including a reduction in carbon emissions.
Real World Benefits
Demonstrating that the IoT sensors and LoRaWAN technology successfully produced the data required, the data itself illustrated that 8 grit runs in this one location could have potentially been saved with the potential cost saving for one route identified for 2019-20 being £4,000.
This solution is now being extended to more locations across the county.
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