The M50 is set to become a “dynamic motorway” with variable speed limits determined by computer algorithms and the ability to close individual lanes and junctions using “Red X” signals on almost 100 overhead gantries.

A publicity campaign telling drivers how to interpret and respond to the new system is to be launched in late June or July.

Sean O’Neill is the Communications Director for Traffic Infrastructure Ireland, and he joined Kieran on The Hard Shoulder to discuss; as did Green Party MEP Ciaran Cuffe.