Are OAPs a danger to the roads? Niamh Horan clashes with callers

Are some of our over 70's - a danger on our roads?

Despite being among the safest drivers on the road, more over 70s than ever before are being stopped from driving for medical reasons - with the number rising by a third in just three years.

So should there be an age when you must re-take your driving test?

Joining me now is the journalist Niamh Horan and the businessman Bill Jeffrey