July, 4 Impaired drivers arrested in Coos Bay. Extra DUII enforcement planned for August, Aug. 11 News release CBPD. In July Coos Bay Police Officers arrested four impaired drivers for DUII. All four arrests were made during regular duty patrols. The Coos Bay Police Department will continue with saturation traffic enforcement activities during the month of August. If you have or are planning to consume alcohol and or drugs, please don’t risk hurting yourself or someone else. Make the choice to keep our families and friends safe by calling a family member, a friend, or a cab for a ride home.