Västerås to Stockholm 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.

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.

FlixTrain is a German railway company owned by FlixMobility, the parent company of FlixBus. Since 2018, it has connected major German cities such as Hamburg, Cologne, Stuttgart, Berlin, and Frankfurt, and also operates routes in Sweden, including Stockholm to Gothenburg. All FlixTrain services run on 100% renewable energy. Onboard facilities include air conditioning, toilets, USB ports, power outlets, generous legroom, and free Wi-Fi on most trains. Food and drinks are available, and every ticket guarantees a seat. Passengers can bring luggage free of charge, provided it fits in the racks. Popular German routes include Berlin–Hamburg, Frankfurt–Stuttgart, and Cologne–Hamburg, offering a sustainable and comfortable way to travel

SL (Storstockholms Lokaltrafik) is the public transport authority responsible for buses, underground trains, commuter trains, trams, and certain ferry lines in Greater Stockholm, Sweden. SL's network uses a unified ticketing system, and the organization contracts with various companies for the operation and maintenance of its services. SL also offers commuter rail connections to Arlanda Airport and tram services to Bromma Airport.