This polygon layer contains the three elective districts for state legislators who represent Cambridge in the Massachusetts Senate. This layer was created for general use by the Cambridge Election Commission and for public distribution. Cambridge wards and precincts can be overlaid on district boundaries to designate which voters fall into each district. For more information and download links see: http://www.cambridgema.gov/GIS/gisdatadictionary/Elections/ELECTIONS_StateSenateDistricts.aspx