ATVs (all-terrain vehicles) and UTVs (utility vehicles) have become increasingly popular over the past decade with farmers from all over the country. ATVs and UTVs fall into the classification of L-category vehicles. The L-category is a class which covers a broad range of vehicle types with two, three or four wheels. This includes mopeds, motorcycles and quads. L-category vehicles require a certificate of conformity for the Republic of Ireland in order to be registered for use on Irish roads. This is a European system of approval which ensures a vehicle passes a number of tests before it is allowed to be operated on a public road.When it comes to operating ATVs (quads) on public roads, many do not comply with the vehicle standards as they may have been designed by the manufacturer for off-road use. This means these vehicles are strictly limited to off-road use only. According to the An Garda Síochána website, if an ATV is to be operated on a public road it must meet the following vehicle standards: