 The lobby includes a polished stone floor and distinctive purple overhead lighting fixtures, while both the platforms have brushed steel finishes on support columns and walls.The station was turned into an "idea lab" nightclub and conference center in June 2014 for Boston Idea Week, which included several other MBTA-centered events.Courthouse station opened along with the rest of the South Boston Piers Transitway from South Station to Silver Line Way on December 17, 2004.