Advanced Settings...
BART Backtracker tells you which train to backtrack on and which station to transfer at. Catch trains upstream before they get crowded!
Arrow color help for each train line:
Dublin/Pleasanton - Daly City
Fremont - Daly City
Richmond - Daly City/Millbrae
Pittsburg/Bay Point - SFO/Millbrae
BART Backtracker tells you which train to backtrack on and which station to transfer at. Catch trains upstream before they get crowded!