San Francisco is not the largest city in the area (San Jose has about 200,000 more people), let alone the state (San Diego has more than San Jose), and has a nu

San Francisco is not the largest city in the area (San Jose has about 200,000 more people), let alone the state (San Diego has more than San Jose), and has a number of geographical problems with any associated train system between Los Angeles and San Francisco. Because it's at the edge of a peninsula, getting from anywhere else requires fairly significant engineering feats, and due to the slowness of Amtrak, most people don't want to take an 8+ hour train trip; both flying and driving are faster than the train.