Kitzbühel Bahnhof to Zell am See station train with ÖBB | REX

The ÖBB REX is a regional express train operated by the Austrian Federal Railways (ÖBB). It is one of the most popular train services in Austria, connecting major cities and towns across the country. They are semi fast regional trains which call at fewer stations than regular regional trains. There are different ÖBB REX train types like Cityjet, Talent, Desiro and City Shuttle all offering 2nd class tickets only. Some popular ÖBB REX routes include Salzburg to Worgl, Innsbruck to Kufstein and Graz to Seltzhal.

ÖBB Intercity is a domestic high-speed rail service operated by the Austrian Federal Railways (ÖBB) in Austria. They are addition to the Eurocity and the Railjet for long-distance travels and also include first class cars, the trains are air-conditioned, hve power sockets a minibar service and are comfortable. ÖBB Intercity trains mostly run on the inner alpine lines to cities like Graz, Linz and Salzburg and Inssbruck.

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.

ÖBB S-Bahn, short for \Schnellbahn\" (rapid railway), is a suburban commuter rail network primarily serving metropolitan regions in Austria, operated by the Austrian Federal Railways (ÖBB). It functions as a hybrid urban-suburban system, with some larger S-Bahn networks offering services similar to rapid transit. The Vienna S-Bahn, a key part of the network, has been in operation since 1962 and connects Vienna's surrounding areas with the city. It is integrated with the national railway system, sharing tracks with regional and other rail traffic. ÖBB S-Bahn utilizes various train types, including the ÖBB Cityjet, Talent, Desiro, and bi-level push-pull trains. Tickets can be purchased online, via the ÖBB App, at ticket machines, or at ÖBB Travel Centres, with earlier online bookings often offering better prices."