Karlstad to Uppsala train with SJ

SJ is a Swedish train company that offers a wide range of services to its passengers. It operates high-speed trains, regional trains, and night trains, all of which are comfortable and reliable. The high-speed trains, X2000, are the fastest way to travel between cities, while the regional trains, Pågatåg, are perfect for shorter trips. The night trains, SJ Nattåg, offer a comfortable way to travel overnight. SJ offers a variety of ticket types, including single tickets, return tickets, and SJ Prio tickets, which offer discounts for frequent travelers. Onboard facilities include free Wi-Fi, power outlets, and a café car. The most popular routes for SJ are between Stockholm and Gothenburg, Stockholm and Malmö, and Stockholm and Uppsala.

Tågåkeriet i Bergslagen (TÅGAB) is a Swedish railway company established in 1994 and headquartered in Kristinehamn. It operates both freight and passenger trains in Sweden and Norway. TÅGAB's passenger services include routes like Gothenburg-Karlstad-Kristinehamn-Falun/Mora and Karlstad-Stockholm, often utilizing Rc3 locomotives with passenger coaches or X10 railcars. For some regional passenger transport, TÅGAB collaborates with Tåg i Bergslagen, using Bombardier Regina and SJ X12 railcars. The company also handles freight traffic, particularly for industrial plants along its routes, and was one of the first private companies for rail freight transport in Sweden.

Vy, formerly known as Norwegian State Railways (NSB), is a government-owned railway company that operates most passenger train services in Norway, as well as many bus services in Norway and Sweden. Vy offers intercity, regional, and commuter train services, connecting major Norwegian cities like Oslo, Bergen, and Trondheim, and also provides an international route between Oslo and Gothenburg, Sweden. Vy's train fleet includes electric multiple units like the Class 69, 72, 74, and 75 for commuter and regional services, and traditional locomotive-hauled trains for some intercity routes. Passengers can choose from various ticket types, including Single, Season, Lowfare, and Flex, with options for different comfort levels such as Plus, PlusNight lie-flat seats, and Sleeper compartments for overnight travel. Many trains offer amenities like free Wi-Fi, power outlets, and dining cars.

Mälartåg is a Swedish train company from the Mälardalen region operating in the Stockholm, Sörmland, Uppsala, Västmanland, Örebro and Östergötland. Mälartåg's train fleet consists of double-deckers and smaller regional trains with a maximum speed of 200 km/h.