Dresden to Jelenia Góra train with Koleje Dolnośląskie

The ÖBB Euro City is a high-speed train service operated by the Austrian Federal Railways (ÖBB). It is one of the most popular train services in Austria, connecting major cities across the country. The Euro City trains are modern and comfortable, with air-conditioned coaches and plenty of legroom. There are two types of Euro City trains: the EC (Euro City) and the IC (InterCity). The EC trains are the fastest, with speeds of up to 200 km/h, while the IC trains are slightly slower, with speeds of up to 160 km/h. The ÖBB Euro City offers a variety of ticket types, including single tickets, return tickets, and group tickets. Onboard facilities include free Wi-Fi, power sockets, and a restaurant car. The most popular routes for the ÖBB Euro City include Vienna to Salzburg, Vienna to Innsbruck, and Vienna to Graz. These routes offer stunning views of the Austrian countryside and provide a convenient way to travel between major cities.

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."