DUI Saturation Patrol – 15th (Austin) District 29 Mar 2017 The Chicago Police Department will be conducting a DUI Saturation Patrol in the 15th (Austin) District this weekend. The DUI Saturation Patrol will commence at 6 p.m. on Saturday, April 1st, 2017 and end at 2 a.m. on Sunday, April 2nd, 2017. For more information, click here.