 The connection, from what is now the Magnolia Field-Varnum Street area in Arlington, ran through North Cambridge and West Somerville (Davis Square); a station was located at Somerville Junction, commemorated by a park near what are now Centre and Woodbine Streets.The Boston and Lowell created a subsidiary, the Middlesex Central Railroad, to build an extension from Lexington to Bedford and then Concord Center (Lowell Road), which opened in 1873.The Lowell Road station was adjacent to today's Minuteman National Historical Park.