SPEED limits in Ireland have gone metric, changing from miles to kilometres per hour. As a result of the changes, the speed limits across Ireland have changed, falling on 91% of its roads and increasing on the remaining 9%.

The current general speed limit of 60mph has been abolished and in its place the limit on national roads (N), which include most dual carriageways, will increase to 100kph (62mph). The speed limit on rural regional and local (L) roads will change from 60mph to 80kph (50mph). Limits in built-up towns and cities change from 30mph to 50kph (31mph) and motorways from 70mph to 120kph (74mph).

A E2.5 million public awareness campaign prepared motorists for the change.