Open Transit is sharp above average cocktail at 1 standard drinks. Built with 30ml grapefruit liqueur giffard and 15ml vodka kavalan with 15ml grapefruit juice as well as 30ml soda water including 100ml ice and best served with farinaceous starchy dishes. Just place ice cubes into glass then add shot of grapfruit liqueur into glass and pour in french vodka. Add soda water and splash grapefrit juice on top and served in a old fashioned glass cold.