When do you need a designated driver?

A designated driver is suppossed to be a totally drug and alcohol free transportation specialist driver for those less fortunate. If there are persons present at your location - drinking Alcoholic Beverages, smoking pot, sniffing glue, snorting coke, injecting cocaine, herion, speed pills, or formaldahyde. There is a good chance that that your guests may need a ride home. The designated driver for several or different groups should deliver those people to their homes in short order.