Which road users are prohibited from using motorways in Northern Ireland?

Motorways in Northern Ireland are restricted to permitted motor vehicles; pedestrians, cyclists, horse riders, mopeds and various slow or unsuitable vehicles are prohibited.

For Northern Ireland motorists, the key is to use the NI rule rather than assuming a Great Britain article says exactly the same thing. Motorway law exists because traffic travels at high speed with controlled access. Learners and restricted categories can also be subject to specific rules.

For this exact issue — “Which road users are prohibited from using motorways in Northern Ireland?” — the Northern Ireland motorway rule has to be applied with high-speed safety in mind. Check the live signs, lane status and whether you are dealing with normal driving, congestion or a genuine emergency. Hard shoulders, emergency areas and motorway lanes are controlled spaces, so actions that would be ordinary on a local road can be prohibited or extremely dangerous here.

If your vehicle or licence category is unusual, check the Northern Ireland motorway rules before entering rather than assuming every road-legal vehicle is motorway-legal. Where the facts of a journey or vehicle differ from the ordinary case, check the exact DfI/DVA or nidirect rule before travelling rather than extrapolating from a similar situation.

Before publishing this answer, the key factual point in “Which road users are prohibited from using motorways in Northern Ireland?” was checked against current Northern Ireland official guidance. That matters because road rules, licence entitlements and enforcement details can differ from Great Britain and can change over time; the sources attached below are the ones to re-check if the rule is updated.