Good Friday Agreement Freedom Of Movement
The agreement was reached after many years of complex discussions, proposals and compromises. A lot of people have contributed a lot. Tony Blair and Bertie Ahern were then leaders of the United Kingdom and the Republic of Ireland. The talks were led by US Special Envoy George Mitchell.  Since about 2005, the border has been perceived as invisible, with little or no physical infrastructure, as security barriers and checkpoints have been removed as a result of processes introduced by the Good Friday Agreement (or «Belfast Agreement») signed in 1998.  [b]  This Agreement has both the status of an international treaty between the United Kingdom and the Republic of Ireland (Anglo-Irish Agreement) and an agreement between the Parties in Northern Ireland (Multi-Party Agreement).