Ulsterbus is responsible for most of the province-wide bus services in Northern Ireland. It operates twenty-two bus stations (several of which, such as those at Belfast Europa and Bangor, form integrated transport interchanges with Northern Ireland Railways stations) and 1,100 buses. Ulsterbus is charged with transporting over 65,000 children per day to school.[citation needed] Every July and August, around 250 vehicles are usually de-taxed. This is because not as many are needed for service due to schools finishing for summer holidays.