This article covers the good and bad of BART pretty well. https://www.mercurynews.com/2016/03/25/has-barts-cutting-edge-1972-technology-design-come-back-to-hau

This article covers the good and bad of BART pretty well. https://www.mercurynews.com/2016/03/25/has-barts-cutting-edge-1972-technology-design-come-back-to-haunt-it/ https://www.mercurynews.com/2016/03/25/has-barts-cutting-edg... The nonstandard track width may have had good intentions but I think was a mistake.