Donaueschingen to Konstanz train with Deutsche Bahn (RE)

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.

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.