A speed limit of 120 kilometres per hour is in place on all motorways. You should note that learner drivers, vehicles under 50 cc, bicycles, pedestrians, animals and invalid carriages are not allowed on motorways in Ireland.
Tractors can be driven on the motorway providing that it is capable of reaching a minimum speed of 50 kilometres per hour. Furthermore, you're not allowed to use the outside lane of the motorway is you're towing a trailer or a horsebox.
