this post was submitted on 03 Sep 2025
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Only in cameras.
One could paint stripes in tunnels lit by cheap LED or sodium vapor lamps (that flicker at 100/120 Hz) that appear stationary at the speed limit. I wonder how drivers would react.
I've seen this in Vancouver, Canada, between Burrard and Granville station. unfortunately they're used to display advertisements. The trains don't have drivers and are controlled remotely from a central location.
They did this in San Francisco several years ago as well! It was a neat proof of concept but it didn’t stick around super long.
Especially not if the trains have windows that open slightly like Prague's, allowing someone to just extend a cane and destroy the whole installation.