Swiss Rail Tests Obstacle Detection System for Safety

SBB and Siemens Mobility began testing an obstacle detection system in Zurich to improve rail safety, reduce delays, and assist train crews in managing unexpected hazards. This is reported by the railway transport news portal Railway Supply.

Early Testing of the Obstacle Detection System Begins

On August 8, 2025, Swiss Federal Railways (SBB) and Siemens Mobility launched a year-long trial of an obstacle detection system aboard a Zurich S-Bahn vehicle. The initiative seeks to enhance operational safety and provide train crews with advanced environmental awareness tools.

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The system integrates radar, GPS, a thermal camera, and optical sensors to monitor tracks and surroundings. It can identify fallen branches, debris, or other obstacles early enough to prevent delays and reduce the risk of accidents. Because disruptions often arise during storms or in tunnels, this detection tool could become vital for modern rail operations.

Technicians installed the system on a locomotive without affecting train performance. It records data across open tracks, shunting yards, and tunnels during various weather conditions, including fog, snow, and rain. So, the trial ensures a broad range of test scenarios for comprehensive evaluation.

Analyzing Data from the Obstacle Detection System Trial

Throughout the trial, engineers will assess how effectively the obstacle detection system identifies threats. Although the equipment may capture images of people near tracks, SBB has implemented strict privacy measures, including encryption and limited access protocols.

Once data becomes obsolete, the system automatically deletes it. This ensures privacy protection while maintaining the integrity of the evaluation. So, the testing respects both operational and ethical standards.

At the end of the trial, SBB will remove the system from the train. But the insights gained will guide future procurement and broader adoption of similar technologies. The trial reflects a forward-looking investment in digital safety infrastructure across Switzerland’s rail network.

FAQ

What is an obstacle detection system in rail transport?

An obstacle detection system uses sensors and cameras to identify potential hazards on railway tracks and enhance safety. Learn more.

How does the obstacle detection system improve train safety?

It provides early warnings about obstacles, so crews can respond quickly and avoid damage or delays.

Can the system be used in bad weather?

Yes, the system is tested in rain, fog, and snow to ensure it performs in real-world conditions.

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