There was also a personal anecdote from the DUP's Jimmy Spratt who recalled witnessing a fatal collision where the driver responsible had been drinking.
In fact, a recent survey of teens revealed that while 87 percent of teen passengers would speak up to ask a driver to refrain from getting behind the wheel after drinking, only 72 percent of teen passengers would do the same for a driver who has used marijuana.
The launch representing all four Wales police forces and Road Safety Wales looked at the case of a young driver who did exactly what Mr Richardson mentioned and drove the morning after drinking, not realising she was still over the limit.