Polls are open 7am to 8pm today for the primary election. Sample ballots for Medford can be found at http://www.medfordma.org/2016/08/25/sample-ballots-for-state-primary-election-sept-8-2016/.
You can find your polling location at http://wheredoivotema.com/bal/MyElectionInfo.aspx.
Per the City of Medford: “If you are voting at any of the Medford Public Schools and Tufts University Gantcher Center, please be aware that schools will be in session and parking could be limited. Try to avoid peak traffic hours before and after the schools opening and closing.”