Sooooo much snark, and so little interest into what BART actually runs on!
Originally, BART was a master stroke of digital integration in the 70's, and it's digital voices announcing the next trains were a thing of the future: An early accessibility feature before we even knew what those were, really.
Reading:
https://www.bart.gov/about/history
https://www.bart.gov/about/projects/traincontrol#:~:text=To%...
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