What is the BART-to-Bus transfer?
If take BART to an AC Transit bus, you can save money on your bus fare by getting a BART-to-Bus transfer before leaving BART. BART-to-Bus transfers are good for 25 cents off of the local bus fare. The transfers are good for AC Transit buses at BART stations, downtown Berkeley or downtown Oakland and are valid for up to 72 hours from when issued.
BART-to-Bus transfers do not provide a discount on Transbay fares.