T0668 Winter services technical assurance task 2025-2029

National Highways' Severe Weather Information Service (SWIS) is an ICT solution including a web portal that forms the centralised source of all severe weather information and weather-related record keeping for National Highways. The service enables recording and distribution of winter decisions to key stakeholders and receives and displays data from a wide range of sources such as weather forecasts, observations from Environmental Sensor Stations (ESS), weather and flood warnings and winter fleet activity. This dat...