Leipzig to Wrocław train with Koleje Dolnośląskie

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.

Thameslink is a train service that operates in the United Kingdom. It is operated by Govia Thameslink Railway and serves the counties of Bedfordshire, Cambridgeshire, Hertfordshire, London, and Surrey. The trains run from early morning until late at night, with some services running 24 hours a day. There are a variety of train types available, including Class 700 Desiro City, Class 377 Electrostar, Class 387/1 Electrostar, and Class 319/0. Ticket types include Anytime, Off-Peak, Super Off-Peak, and Advance. Onboard facilities include Wi-Fi, power sockets, and air conditioning. The most popular routes for Thameslink are London to Brighton, London to Bedford, and London to Luton.

Koleje Dolnośląskie (KD), or Lower Silesian Railways, is a regional rail operator in Poland's Lower Silesian Voivodeship, established in 2007 and fully owned by the local government. KD primarily runs local passenger trains within the Lower Silesian region, with some routes extending into Germany (Görlitz, Dresden, Forst) and the Czech Republic (Liberec, Trutnov, Adršpach). The company offers various ticket types, including standard, discounted, and special offers like the "Dolnośląski Bilet Weekendowy" and "EURO-NYSA-TICKET." KD's rolling stock includes both diesel and electric multiple units, such as the Newag Impuls. They also accept Polregio tickets on their trains.

trilex's green and white trains have operated in Dresden, Seifhennersdorf, Rybniště, Zittau and Liberec since 2010. The passenger trains offer comfortable services with single tickets, short hop tickets, day tickets and season tickets. The top routes include: RE1/RB60 covering Dresden – Görlitz – Zgorzelec and the L2 between Liberec – Česká Lípa – Děčín.