Konstanz to Tübingen train with Deutsche Bahn (RB,RE,IC)

Deutsche Bahn (DB) is Germany’s main train operator, running around 40,000 domestic and international services each day. Its fleet includes a variety of train types: high-speed ICE (Intercity Express) trains, reaching up to 300 km/h; IC (Intercity) and EC (EuroCity) trains for long-distance travel; and IRE (Interregio-Express), RE (Regional Express), and RB (Regionalbahn) services for regional and local connections. While bathrooms are standard on all trains, amenities such as onboard restaurants and free Wi-Fi are available only on certain train types and routes. DB offers a wide range of fares, including Super Saver, Saver, and Flexible tickets, along with discount cards like the BahnCard 25, 50, and 100. Additional options include single tickets, day tickets, and group tickets. Popular routes include Berlin–Munich, Hamburg–Frankfurt, Cologne–Stuttgart, Berlin–Dresden, and Hamburg–Cologne, as well as numerous regional services across Germany.

Südwestdeutsche Verkehrs-AG (SWEG) is a public transport company operating rail and bus services primarily in Baden-Württemberg, Germany, and some neighboring regions. The company was formed in 2018 from the merger of Südwestdeutsche Verkehrs-Aktiengesellschaft and Hohenzollerische Landesbahn. SWEG operates various railway lines, including the Achertalbahn, Münstertalbahn, and Harmersbachtalbahn, and is also involved in freight transport. They utilize different train types, such as Regio-Shuttle RS1, Talent 3, LINT 54, and Mireo Plus B. SWEG is owned by the state of Baden-Württemberg.

SBB is Switzerland’s national railway company, operating a wide range of train services including InterCity, InterRegio, RegioExpress, Regio, S-Bahn, and international InterCityExpress connections. InterCity trains reach speeds of up to 200 km/h for fast travel between major cities, while Regio trains provide slower, more frequent local services. Ticket options include Standard and First Class, as well as passes and discounts such as the Swiss Travel Pass, Half-Fare Card, and Super Saver tickets. Onboard amenities may feature Wi-Fi, power outlets, and restaurant cars. Popular routes include Zurich–Geneva, Basel–Bern, and Geneva–Lausanne.