On Friday June 13, 2008 the Watertown Police conducted a sobriety checkpoint in conjunction with the Massachusetts State Police Troop “H”. The Middlesex Sheriff’s Department provided prisoner transportation from the checkpoint. The checkpoint operated from 11PM to 3AM. A total of 372 vehicles went through the checkpoint, 24 of those were flagged for further investigation. Of those 24, ten were arrested for Operating Under the Influence (OUI) and one was summoned for OUI. View a video of the checkpoint here.