Here’s how things look in Japan in 2016 at a nothingburger, random train station:
What do you call these, pocket doors?
Hey BART! Are you up to speed on this?
Imagine installing these automatic safety doors at just one station, like at Powell. It would be an implementation nightmare, just saying.
(OTOH, those cool-looking exposed bulb chandeliers, well putting those into a BART would be a snap…)
Anyway, hop to it BART/MUNI – get on this, like stat.