Case study·Intelligent Transport Systems·Critical Infrastructure

Turning roadside sensors into an autonomous incident-response network

A national roads programme needed to cut the risk of secondary incidents on high-speed networks — the more dangerous collisions that follow a breakdown, crash, or sudden change in weather. We built the software intelligence layer that responds in real time, at the roadside, without waiting on a control room.

Sector
ITS / Critical infrastructure
Scope
Full route, network-wide
Engagement
Edge-to-cloud detection & response platform
The win
Autonomous, real-time roadside response
At a glance

A national roads programme needed to reduce the risk of secondary incidents on its high-speed network — the collisions that follow an initial breakdown, crash, or sudden change in weather. Conventional gantry-based signage only warns at fixed points, and routing every decision through a central control room adds delay at exactly the moment a fast response matters most. Full Stack Energy designed and built the software intelligence layer that turns raw roadside inputs into real-time, automated warnings along the entire route.

  • ClientNational roads programme
  • SegmentIntelligent Transport Systems
  • ApproachAutonomous edge detection + declarative workflow engine
  • DeploymentOn-premise, cloud, or hybrid
  • StandardsOpen ITS standards, ISO/IEC 27001
  • OutcomeContinuous, route-wide autonomous warnings
01The challenge

Seconds matter — a control room can’t move fast enough

A national roads programme needed to reduce the risk of secondary incidents on high-speed networks — the far more dangerous collisions that follow an initial breakdown, crash, or sudden change in weather.

Conventional gantry-based signage warns at fixed points only, and routing every decision through a central control room introduces delays at exactly the moment a fast response matters most.

Two roadside warning units being tested indoors on a lab floor marked out with laser reference lines, in front of a banner reading CRAWL — Central Reserve Active Warning Lighting.
Bench-to-field testing on the CRAWL rig — full-scale roadside units validated indoors before deployment.
An engineer calibrating a roadside warning unit indoors, its amber and red LED array lit, alongside a rack-mounted control unit.
Calibrating the LED warning array and control electronics ahead of a field trial.
Roadside warning units with red lights illuminated, positioned among traffic cones on a test track at dusk.
Live-fire testing on a closed track — validating detection and warning behaviour under real driving conditions.
Two engineers in high-visibility clothing at night, wiring a roadside control cabinet in the field.
Commissioning a roadside cabinet in the field, ready to connect to the live network.
02What we did

An intelligence layer built for the roadside

We designed and built the software intelligence layer that turns raw roadside inputs into real-time, automated warnings along the entire route.

sensingRADAR · CCTV · weather stations · in-road sensors
roadsideHardened roadside cabinets · LED & variable-message signage
architectureEdge-to-cloud · on-premise, cloud or hybrid
standardsOpen ITS standards · custom & third-party APIs · ISO/IEC 27001

A control room can only act as fast as the decision reaches it. Push the intelligence to the roadside, and the warning is already lit by the time a call would have gone out.

Lead Engineer, Full Stack Energy
03The outcome

Route-wide protection, built to extend

A continuous, route-wide warning capability that detects and responds to incidents and adverse weather in real time — giving the operator direct control of the network, protecting first responders and road users, and reducing reliance on fixed infrastructure.

The result is a flexible, standards-aligned platform the client can extend as sensing technology and cost profiles evolve.

04Why it mattered

Serious engineering for complex infrastructure

The engagement spanned the full stack — physical sensors, edge and cloud data processing, decision logic, and integration into live operational systems — the kind of cross-disciplinary problem that sits between any single engineering team. It’s what serious engineering for complex infrastructure looks like.

ITSEdge ComputingCritical InfrastructureWorkflow EngineRADAR / CCTVISO 27001
05FAQ

Common questions about this ITS platform

It reduces the risk of secondary incidents on high-speed road networks — the collisions that follow an initial breakdown, crash, or sudden change in weather. Conventional gantry signage only warns at fixed points, and routing every decision through a central control room adds delay exactly when a fast response matters most.

Processing was moved off centralised infrastructure into hardened roadside cabinets, so detection logic runs locally and drives LED and variable-message warnings in real time — interfacing with the national control centre without depending on it for every decision.

Incident-handling procedures are defined in a non-proprietary, human-readable format, so the client can adapt or add use cases without re-coding. The system is aligned to open ITS standards with custom and third-party APIs, proven through integration with an established weather-data provider.

Building safety-critical infrastructure software?

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