Note that BART has gotten a lot quieter recently. https://www.sfchronicle.com/bayarea/article/BART-rides-quieter-metal-why-so-loud-13419926.php https://www.sfch

Note that BART has gotten a lot quieter recently. https://www.sfchronicle.com/bayarea/article/BART-rides-quieter-metal-why-so-loud-13419926.php https://www.sfchronicle.com/bayarea/article/BART-rides-quiet...