What is a Category B Licence in Ireland?\n\nThe Category B licence is the standard driving qualification for passenger cars and light commercial vehicles in Ireland. Administered by the National Driver Licensing Service (NDLS) and regulated by the Road Safety Authority (RSA), it allows you to drive vehicles such as hatchbacks, saloons, estate cars, light SUVs, and small vans. To hold this licence, you must be at least 17 years old and meet the necessary medical and residency requirements. For most motorists, this is the first and most important licence category they will obtain.\n\n## Weight and Passenger Restrictions\n\nA core focus of the Irish Driver Theory Test is understanding the exact legal limits of Category B. There are two primary restrictions you must remember: weight and passengers. First, the Maximum Authorised Mass (MAM), which is the maximum weight of the vehicle including its load, must not exceed 3,500 kg. Second, the vehicle must not be designed to carry more than eight passengers in addition to the driver. If you exceed these limits—such as driving a 4,000 kg truck or carrying nine passengers—you are operating outside your licence category, which can invalidate your insurance and lead to prosecution.\n\n## Learner Permit Rules and EDT Requirements\n\nBefore obtaining a full Category B licence, you must first pass the Category B Driver Theory Test and obtain a learner permit. While driving on a learner permit in Ireland, you must follow strict safety regulations. You must display red "L" plates on both the front and rear of the vehicle, and you must always be accompanied by a driver who has held a full Category B licence for at least two consecutive years. Furthermore, first-time learner permit holders must complete Essential Driver Training (EDT), which consists of 12 structured one-hour lessons delivered by an Approved Driving Instructor (ADI), designed to build fundamental safe driving habits.\n\n## Towing Rules Under Category B\n\nA common area of confusion for learners is trailer towing. Under a standard Category B licence, you can tow a trailer of up to 750 kg MAM. If the trailer is heavier than 750 kg, you can still tow it provided the combined weight of the car and the trailer does not exceed 3,500 kg MAM. If you wish to tow heavier trailers, such as large horseboxes or heavy caravans behind an SUV, you will need to pass an additional test to upgrade your licence to Category BE.\n\n## Key Tips for the Driver Theory Test\n\nDuring your Irish Driver Theory Test, you will encounter multiple-choice questions specifically designed to test your knowledge of Category B regulations. Pay close attention to numbers: look out for the 3,500 kg weight limit, the 8-passenger limit (9 people total in the car), and the 750 kg trailer towing limit. Trick questions may try to confuse the total number of occupants with the number of passengers, so remember that the driver is always counted in addition to the eight permitted passengers.