“There are sensors everywhere on the national highways that measure the temperature,” Slippens explains. There are ‘weather huts’ on the side of the roads that monitor the ambient temperature and any precipitation. This data is connected to the KNMI. “ We are in contact with the contractors and if we see that it is likely to become slippery, we call them within two hours of calling them, they must have spread the last grain.”
KNMI warns of slippery conditions due to winter weather, spreading actions necessary
