On Sept. 11, 1972, the very first passenger embarked on the very first BART line, which ran between MacArthur and Fremont stations.
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This September marks 40 years of service for BART , a huge milestone for the entire agency, its employees, and of course, its passengers.
In honor of the big 4-0, BART is exhibiting various memorabilia and photos from the last four decades throughout its stations.
More information regarding special promotions and events for the anniversary year will be announced by BART in the next couple of weeks.
Scroll through the slideshow below to see some cool vintage photos of BART: