Where can passengers find BART's customer service center?

Passengers can find BART's customer service center located at the Embarcadero Station in San Francisco. This station is a key stop within the BART system, providing easy access for passengers needing assistance, ticket purchases, and information about service schedules or routes. The Embarcadero Station also serves as a bustling transit hub, enhancing its role as the ideal location for customer service.

The other choices, while they may contain other facilities or ticket purchasing options, do not serve as the main customer service centers for BART. The San Francisco Airport, downtown Oakland Station, and Berkeley Station are important stops, but the customer service resources are concentrated at the Embarcadero Station, making it the most logical and designated place for passengers to seek help or information related to BART services.