What is the default speed limit on a motorway in Ireland?
Motorways carry the highest default limit in the State at 120 km/h. A lower limit applies wherever it is signposted, such as through roadworks.
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What is the default speed limit on a rural local road (an L road)?
The default on rural local roads was reduced from 80 km/h to 60 km/h in February 2025. These are the narrow, often unlined roads signed with an L number.
Rules of the Road, ch. 2What is the default speed limit on a regional road (an R road)?
Regional roads default to 80 km/h. They sit between national roads and local roads in the network, and are signed with an R number.
Rules of the Road, ch. 2What is the default speed limit in a built-up area?
The built-up-area default is 50 km/h. Many councils are lowering this to 30 km/h in housing estates, town centres and outside schools by bye-law, so watch for the signs.
Rules of the Road, ch. 2What is the default speed limit on a national road that is not a motorway?
National primary and national secondary roads default to 100 km/h. They are signed with an N number on a green background.
Rules of the Road, ch. 2Written by us for practice. They are not the official examination questions.No practice app has those — and the Rules of the Road is the final word on any of it.
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