Regensburg, Bavaria to Berlin, Brandenburg from $19: 8 ways by bus, train, flight or car

• On the train route from Regensburg to Berlin, Deutsche Bahn (DB) operates the service, offering catering services onboard. You can find a trolley service during peak hours, which includes snacks, hot meals, and a selection of beverages. You can also purchase items at the onboard bistro or café if available. It's wise to check their menu in advance via the DB website.

• The trains typically offer multiple classes of seating: First Class, Business Class, and Economy Class. First Class features spacious and comfortable seating with additional amenities, such as free Wi-Fi and complimentary services. Business Class may provide more legroom and extra facilities, while Economy offers standard seating. Make sure to book the class that best suits your needs when planning your trip through Deutsche Bahn's website.

• For your trip, you will primarily be using Deutsche Bahn, but you may also find connections from FlixTrain. Here are the official websites for both operators: Deutsche Bahn at bahn.com and FlixTrain at flixtrain.com These links also provide information on ticket purchasing, schedules, and potential discounts.

• Upon arrival at Berlin Hauptbahnhof (Berlin Central Station), take note that there are options for storing your luggage in lockers available at the station. Additionally, restrooms are well-maintained, and there may even be shower facilities available in certain sections of the station upstairs. Make sure to allow time for these conveniences as you navigate your onward journey.

• The fastest way to get from Berlin Hauptbahnhof to the city center is to catch the S-Bahn (S5, S7, or S75) which runs directly from the station. Any of these lines will take you to various central points in approximately 10 minutes. You can also take the bus lines 245 or TXL, which provides a scenic route into the heart of the city.