Speed limit questions are among the most straightforward on the theory test, but they still catch people out. Whether you’re driving through Dublin’s built-up areas at 50 km/h or on national roads at 100 km/h, knowing the limits is non-negotiable.
Dublin presents the most complex driving environment in Ireland. With multi-lane roundabouts, bus lanes, Luas tram crossings, cycle lanes, and heavy rush-hour congestion, learner drivers face challenges you won’t find anywhere else. The M50 motorway ring road, while off-limits for learners, features heavily in theory test questions. Understanding Dublin’s one-way systems, loading bays, and clearway restrictions is essential.
Speed limit questions are pure memorisation — there’s no logic to derive, you either know the number or you don’t. The good news is there are only a handful of speed limits to learn.
The key numbers: Built-up areas: 50 km/h. Regional roads: 80 km/h. National roads: 100 km/h. Motorways: 120 km/h. Special zones (schools, housing estates) may have 30 km/h limits. Learner drivers have no separate speed limits but must display L plates.
Study approach: Create a simple table of all speed limits and review it daily. The questions will test you on specific scenarios (“what is the speed limit on a regional road?”) rather than asking you to recall the full table.
Common trap: The default speed limit when entering a built-up area is 50 km/h even without a sign — the built-up area boundary sign itself implies 50.
Q1.What is the speed limit on a motorway?
Q2.What is the default speed limit in built-up areas?
Q3.What is the speed limit on a national road?
These are just a sample. L-Plate has all 60 speed limits questions with AI-powered explanations.
Built-up: 50 km/h, National: 100 km/h, Motorway: 120 km/h
School zones: 30 km/h during school hours
Special speed limits are indicated by signs
Practice all 60 speed limits questions with Brendan, your AI driving instructor. Get instant explanations for every wrong answer and track your progress across all categories.
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Built-up areas: 50 km/h, Regional roads: 80 km/h, National roads: 100 km/h, Motorways: 120 km/h.
30 km/h during school hours in school zones.
Dublin has 4 RSA driving test centres: Dublin South (Dun Laoghaire), Dublin North (Finglas), Dublin West (Tallaght), and Dublin IFSC. You can also sit the theory test at Prometric test centres in the Dublin area.
Dublin wait times range from 16 to 22 weeks depending on the centre. Dublin South (Dun Laoghaire) typically has the longest wait. Use Queue Jumper to get cancellation alerts.
The RSA question bank contains 60 speed limits questions. On any given test, you’ll typically see 3–12 questions from this category depending on the random selection.
The national average pass rate for speed limits questions is 78%. Practising all 60 questions on L-Plate significantly improves your chances.