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I can't seem to find this online, but I would assume that BART cars are wider in general than most standard subway cars, not just in track gauge. If this is tru

I can't seem to find this online, but I would assume that BART cars are wider in general than most standard subway cars, not just in track gauge. If this is true, you would also need to close platform gaps to continue to meet ADA requirements (a large enough gap is considered inaccessible). It would be a lot of expense, for not a whole lot of benefit in the short term, and BART probably doesn't have enough money with reduced COVID commuting trends to even think about paying for something like this when they could instead build more rail and get more butts in more seats.

Symbiote 5y ago
The presentation linked in https://news.ycombinator.com/item?id=28355136 https://news.ycombinator.com/item?id=28355136 says the BART car width is 3.2m, which seems to be the typical North American passenger car width [1]. The BART cars certainly look wide, but that's because they're not very tall. This is wider than most metro trains (especially 19th century systems), but BART isn't a metro system anyway. [1] https://en.wikipedia.org/wiki/Loading_gauge#Standard_loading_gauges_for_standard_track_gauge_lines https://en.wikipedia.org/wiki/Loading_gauge#Standard_loading...