Jönköping to Gävle train with SJ

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.

Västtrafik is a public transport provider in Sweden, offering a wide range of services to its customers. It operates a network of trains, buses, trams and ferries, with services running from early morning to late at night. The trains come in a variety of types, including regional, express and night trains. Regional trains are the most common, providing frequent stops and connecting smaller towns and cities. Express trains are faster, with fewer stops, while night trains offer overnight journeys. Västtrafik offers a range of ticket types, including single tickets, day tickets and season tickets. Onboard facilities include comfortable seating, free Wi-Fi, power outlets and a café car. The most popular routes for Västtrafik are between Gothenburg and Stockholm, Gothenburg and Malmö, and Gothenburg and Oslo. These routes offer frequent services and provide a convenient way to travel between the cities.

Tåg i Bergslagen (TiB) is a Swedish train company that operates passenger rail transport across the Bergslagen region, connecting the four counties of Örebro, Västmanland, Gävleborg, and Dalarna. Established in 1993, TiB facilitates commuting for work and studies, as well as business and leisure travel. The company utilizes ER1 double-deck trains and Regina train types on its routes, which include lines such as Mora–Borlänge–Sala, Gävle–Borlänge–Mjölby, and Ludvika–Fagersta–Västerås.