T-Centralen is the largest and busiest station on the Stockholm Metro. It is located in the Norrmalm district of central Stockholm, directly adjacent to Stockholm Central Station and Stockholm City commuter train station. T-Centralen is also the name of the terminus for the Spårväg City tram line. T-Centralen is the only station in Stockholm Metro where all three metro lines converge. In 2018, approximately 340,000 passengers used the metro station daily, with 174,550 boarding and 166,850 alighting. . The station is located between Sergels torg and Vasagatan.
https://en.wikipedia.org/wiki/T-Centralen