Updated / Tuesday, 9 Mar 2021 15:40 An identical system has been operational within the Dublin Port Tunnel since mid-2017 Average speed zone cameras are being installed on a stretch of the M7 motorway in Co Tipperary. Transport Infrastructure Ireland (TII), the Roads Safety Authority and An Garda Síochána have announced the installation of the new speed safety cameras between Junction 26 - Nenagh (West) and Junction 27 - Birdhill, covering both directions. It will be Ireland's first mainline motorway-based system. The installation of equipment at the M7 sites got under way yesterday and will be followed by a period of testing and commissioning.