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this post was submitted on 25 Jul 2026
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Sure, my point is that as rare as they are, there are human error accidents that could be avoided if we switched to self-driving trains (and they proved safe). They are already in use at airports and commuter lines.
Problem is, what is the tradeoff. So you switch to driverless trains. First of all, it has only worked in completely isolated systems until now (no mainline railways). Then, you have the problem that when something goes wrong, the consequences in terms of delays are much larger, often making the news, because there's no one there that can just "quickly do something" to get around the problem and keep going. People tend to get stuck in trains for long times when issues arise - see the REM in Montreal. What's the consequence of unreliable public transit? People tend to avoid it more, often switching back to their cars for important trips - a much more dangerous form of transportation.
So how many lives is this "what if" worth? How much can a driver "quickly do" if a train breaks down, anyway?