LSN News › Singapore

World · Singapore Bureau

Autonomous shuttle in Punggol exhibits unexplained braking behaviour

A driverless shuttle operating in Punggol has raised questions about its control systems after displaying sudden, forceful braking at traffic lights without apparent cause. The incident highlights ongoing scrutiny of autonomous vehicle safety protocols in Singapore.

LSN Singapore · 12 November 2026

An autonomous shuttle service operating in Punggol has come under examination following reports of abrupt braking behaviour at traffic signals. Commuters using the service noted instances where the vehicle applied heavy braking at red lights without any discernible trigger, raising concerns about the reliability of its sensor and decision-making systems.

The unexplained braking events suggest potential issues with how the shuttle's autonomous systems process traffic signals and road conditions. Such malfunctions could indicate problems with the vehicle's sensor calibration, software algorithms, or its interpretation of real-world driving scenarios.

The incident adds to the broader conversation surrounding autonomous vehicle deployment in Singapore's urban environment. While the city-state has been proactive in testing self-driving technologies, including shuttle services in controlled zones, maintaining public confidence requires addressing technical glitches that compromise passenger safety and comfort.

Autonomous vehicle operators typically conduct regular diagnostics and software updates to refine driving behaviour and prevent safety incidents. The incident in Punggol underscores the importance of rigorous testing protocols before expanding autonomous services across wider areas of Singapore.