Calyo to Demonstrate World-First
3D Sound + AI Safety System
for Railway Platforms

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Calyo to Demonstrate World-First 3D Sound + AI Safety System for Railway Platforms

Calyo to Demonstrate World-First 3D Sound + AI Safety System for Railway Platforms 1024 1024 Calyo

Bristol, 11 September 2025

Calyo, an innovative deep-tech company, has secured a contract through the Department for Transport and Innovate UK’s First of a Kind (FOAK) 2025 programme to demonstrate a breakthrough in railway station safety.

The project will trial Calyo’s 3D Sound + AI safety system, the first of its kind worldwide, designed to detect dangerous incidents at the platform-train interface (PTI) and track zones in real time. Using patent-pending ultrasound technology and embedded artificial intelligence, the system creates an invisible “safety curtain” that identifies when a person enters hazardous areas – whether by falling, stepping into the gap, or trespassing onto the track – even when no train is present.

Unlike traditional sensors such as LiDAR, infrared beams, or CCTV, the technology is compact, low-power, and unaffected by poor visibility. It works reliably in rain, fog, darkness, and crowded environments, making it suitable for deployment across both major interchange stations and unstaffed rural stops.

Mihai Caleap, CEO of Calyo said:

We are proud to lead the world’s first deployment of acoustic-based AI for PTI and trespass detection in rail. Our technology can transform passenger safety and deliver real savings by reducing accidents, delays, and disruption costs. This FOAK project is a major step towards deployment across the UK network and beyond.

The potential benefits are significant: PTI incidents and track trespass are among the highest safety risks in rail, leading to passenger harm, operational disruption, and loss of confidence. Calyo’s system aims to improve safety and reliability, enabling faster incident response and helping operators keep services running smoothly. It is designed to scale from busy interchanges to smaller, unstaffed stations, offering a flexible and cost-effective tool for the industry.

The project builds on Calyo’s existing success in autonomous vehicles, robotics, and smart infrastructure, where the same ultrasound sensing platform has already been proven. A live demonstration in a representative station environment will be carried out during the project, inviting industry stakeholders to witness the system in action.

ENDS

Notes to Editors

  • Please email [email protected] or call +44 117 428 5753 for interview requests or further technical details.

  • Images, diagrams, and video demonstrations available upon request.

  • For more information about Calyo please visit https://calyo.com.

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