Drink driving will always be an issue, but is there a way to physically stop it? In Belgium, they think they can.
Outside the most popular club, Carré, on it’s 22nd anniversary, they installed a special barrier in the car park. If you wanted to drive out of there, you had to use a breathalyser. Green light and you can go, but red light, you either change drivers or you stay where you are and try to sleep it off.