Newcastle Urban Observatory — UK's Largest Open Urban Sensor Network, with Real-Time Data Used in Lockdown Policy but Self-Reported Impact

The Newcastle Urban Observatory, run by Newcastle University and co-funded with UKCRIC, has operated since 2015 and publishes open real-time data on air quality, traffic, weather, pedestrian movement and other urban conditions for Newcastle and Gateshead. University material reports over half a billion observations by 2017 and, later, more than 3,600 sensors in the two cities, described as the largest UK deployment of urban sensing; a 2022 UK government report on a digital twin for urban transport counts 2,146 sensors across the wider Urban Observatory network and notes these are not all unique devices. Data onboarding to the shared platform needs only a sensor stream endpoint, and the same platform has been used by Urban Observatories in other UK cities such as Manchester.
Use cases: during the 2020 lockdown the team built a public dashboard showing pedestrian movement down 95% and a marked fall in traffic and improved air quality; the university reports the data informed Prime Minister's advisers, the Department for Transport (using Newcastle, Gateshead, Sheffield and Hull data), the Joint Biosecurity Centre and the Transport Select Committee. Newcastle City Council and the National Innovation Centre for Data built the 'How Busy is Toon' website, whose model local authorities in Durham, Southend, Reading and Manchester adopted. The 'Sense My Street' project lets residents, such as the SPACE for Heaton group testing air quality near schools, collect their own data against the observatory baseline.
Evidence caveats: we found no independent evaluation of the observatory's policy or service impact. Claims of policy use, replication and 50+ research projects (£60m+ of funding) come from the university itself, and the community-sensing element is small. The practice is strong evidence of what a sustained, open city-scale data platform can deliver, and of reuse by other authorities, but weaker on measured public outcomes.

Read the full analysis: https://www.ncl.ac.uk/press/articles/archive/2017/09/sensemystreet/