The recently installed BlueBike station outside Arsenal Yards. Bikeshare company Lyft Bluebikes opened its latest docking station at Arsenal Yards with some fanfare last week. It is the fourth in Watertown with three more planned, and Town officials say they have already drawn a lot of interest. The first Bluebike station in Watertown opened in August, as part of a five community expansion, which also included Newton and Arlington. Three of the Town’s stations in are on public land, but four will be located on private property, said Laura Wiener, Watertown’s Transportation Planner.