A deal to keep disqualified drivers off the roads in the whole of Ireland and Britain has been signed by transport ministers from the Republic, NI and the UK, meeting at Stormont.
The agreement - the first of its kind in Europe - means that disqualifications will in future be mutually recognised in both parts of Ireland and in Britain.
Currently, drivers who are disqualified in Ireland can still legally drive in other jurisdictions and vice versa.
Politicians were under pressure to deal with the issue.
The agreement reached is a major breakthrough as Ireland, north and south, and Britain will lead the way in Europe.
While other member states are trying to establish a system for mutual recognition of disqualified drivers they are not near to achieving that goal.
Also on the agenda at today's tri-lateral meeting is the harmonisation of the penalty points systems between the three states. However a resolution to this difficult problem is still some way off.