Timings:

Trains typically run every 15 minutes except Saturdays before 7 p.m., when trains run every 20 minutes. In many cases, service extends past midnight.
Weekdays ( 4:00 AM - Midnight )
Saturday ( 6:00 AM - Midnight )
Sunday ( 8:00 AM - Midnight )

Routes :

Red line-------> Richmond (Two-Way) Daly City (or) Millbrae
Orange line--> Fremont (Two - Way) Richmond
Green line----> Fremont (Two-Way) Daly City
Yellow line---> Pittsburg / Bay Point (Two-Way)SFO
Blue line------> Dublin / Pleasanton (Two-Way) Daly City (or) Millbrae