To book a round-trip train ticket, you can easily do it online or at a station. First, choose your departure and return dates. Next, select your destination and starting point. After that, choose the type of ticket you need, like economy or first class. Then, make sure to review your travel details carefully before paying. Online, just follow the prompts on the website to enter your i... https://reservationsus.com/are-there-any-stops-along-the-route-from-los-angeles-to-san-diego/