Come Wednesday morning , the new 30km/h speed limit will officially be set in place in various areas around Dublin.
Phase two of the expansion is underway, and the limit will extend to nine new residential areas as follows:
This expansion will come into effect on Tuesday (May 30) at midnight.
Dublin City Councillors voted on the limit decrease last December, with 37 votes in favour, eight against and two abstentions.
The first phase was carried out in April.
The speed limits on arterial roads will not be reduced during this phase, however it is said that this will be discussed as part of phase three in 2018.