Digital and data are vital to the UK’s heatwave response
As we brace ourselves for the hottest June day on record in the UK – with Transport for London asking customers to avoid unnecessary travel – Bentley Systems’ Nathan Marsh emphasises digital and data’s part in how infrastructure must respond to the heatwave’s impact.

As the UK braces for record-breaking heat that threatens to buckle our railways and drain our water reserves, we can no longer afford to wait for things to break before we fix them. These extreme temperatures will severely test our ageing infrastructure, much of which is interdependent, and an outage in one area can easily create a domino effect across multiple services.
However, by using modern data and technology, transport and water companies can stay one step ahead of the chaos, keeping the country moving and the taps flowing. To protect the public and prevent severe disruptions, operators need to switch from reactive emergency repairs to smart, predictive prevention.
Run virtual stress tests
Create digital twins – smart, virtual replicas of our rail and water networks – to predict exactly where tracks might warp, or pipes might fail under extreme heat, allowing crews to intervene before the disruption happens.
Install early warning systems
Use AI and smart sensors to spot the microscopic signs of hidden water leaks or overheating train equipment before they escalate into major cancellations or regional water shortages.
Coordinate a joined-up response
Replace disconnected communication systems with shared, real-time data so that maintenance crews, train operators and local authorities can coordinate instantly when a heat-related crisis hits.
Build smart from day one
Ensure that every new transport or water project is built with digital monitoring technology hardwired in, rather than added as an afterthought, creating a future network that is naturally resilient to extreme weather.
Prevent the infrastructure domino effect
Recognise that rail, water, power and telecoms no longer operate in isolation. A heat-induced power grid failure doesn’t just cut the lights: it knocks out the wifi needed for rail signalling and shuts down the pumps treating our water. By mapping these hidden interdependencies, operators can stop a single local failure from cascading into a national shutdown.
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