VictorIE
This seems to be Abbey Road, which continues on as Saint Fintan's Park. Dún Laoghaire-Rathdown County
Council Road Traffic Special Speed Limit Bye-Laws, 2017 say "4) Abbey Road, west of main Abbey Road into St. Fintan’s Villas" http://www.dlrcoco.ie/en/travel-transport/traffic-management/30-kmh-road-traffic-special-speed-limit-bye-law
