Transfers are good for unlimited trips in any direction for at least one hour after issuance.
For transfers from local to transbay service, pay transbay fare on first bus and request transbay transfer, good for full fare on second bus. Transfers from transbay to local service are free. DB Express passes and transfers accepted as local fare credit. AC Transit accepts Golden Gate Transit transfers from Route 40 as a full payment of fare for continuing local travel on the first AC Transit bus boarded in the East Bay. SamTrans monthly passes accepted as a local fare credit at shared bus stops.