The Richmond Parkway Transit Center or RPTC is a park and ride lot and bus terminal located in Richmond, California. It is named after the adjacent Richmond Parkway. It serves as a transfer point for the WestCAT and AC Transit. Many drive to and park at this lot from the surrounding Hilltop Area and the cities of Pinole, Hercules, Rodeo and Crockett, and the community of El Sobrante, and then take express buses to commute into San Francisco's Transbay Terminal.