Gio Garrett, 11, quizzes his mom Diane Linares as to what bus number just arrived down below at the BART station in Walnut Creek, Calif., on Thursday, June 8, 2017. Gio has had two brain surgeries in his young life, and found the sounds soothed him as BART trains passed near the window of his room at Oakland Children’s Hospital. Nearly blind now, Gio is very interested in all the sounds around him as they ride public transportation together just for fun. (Susan Tripp Pollard/Bay Area News Group)

Gio Garrett, 11, and his mom Dianne Linares ride on BART towards the Rockridge Station after his last day at Springhill Elementary as the train heads west in Orinda, Calif., on Thursday, June 8, 2017. Gio has had multiple surgeries in his young life, and found the sounds soothed him as BART trains passed near the window of his room at Oakland Children’s Hospital. Now Linares takes her son on regular outings on the public transportation system just for fun. (Susan Tripp Pollard/Bay Area News Group)
Dianne Linares works on updating a ticket before she leaves the Lafayette BART station with her son Gio Garrett, 11, in Lafayette, Calif., on Thursday, June 8, 2017. Gio has had multiple surgeries in his young life, and found the sounds soothed him as BART trains passed near the window of his room at Oakland Children’s Hospital. Now Linares takes her son on regular …
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