A catastrophic collision between two GO trains was narrowly avoided in 2024 after a train operator failed to obey a stop signal [1], [2].
The incident highlights critical vulnerabilities in the GO Transit network, specifically the absence of automatic failsafe systems that can stop a train if a signal is missed. Because these systems were not in place, the prevention of a disaster relied entirely on human performance.
The Transportation Safety Board of Canada investigated the near-miss, which occurred near Burlington, Ontario [3], [4]. The investigation said the operator of one of the two trains [5] did not follow a stop signal, leading to a dangerous situation where the trains came within a critical distance of one another [2], [6].
At the time of the incident, one of the trains carried more than 400 passengers [7]. The sheer volume of people on board underscored the potential for mass casualties had the collision occurred.
Investigators identified human error as the primary cause of the event [2], [8]. The report said the operator's failure to adhere to the signaling system created the risk of a high-impact crash, an event that could have been prevented by technology designed to override human error.
While no injuries were reported, the TSB findings emphasize the need for updated safety protocols and the implementation of automatic braking or stopping systems. These systems are designed to trigger automatically when a train exceeds a speed limit or passes a red signal without authorization [8].
“A catastrophic collision between two GO trains was narrowly avoided in 2024”
This report underscores a systemic safety gap in regional rail infrastructure where human error remains a single point of failure. By identifying the lack of automatic failsafes, the TSB is signaling that manual signal adherence is insufficient for high-capacity commuter lines, potentially forcing a transition toward positive train control systems to prevent future disasters.
