Including the ZRs, there are three bus systems running seven days a week (though less frequently on Sundays). There are ZRs, the yellow minibuses and the blue Transport Board buses. A ride on any of them costs . The smaller buses from the two privately owned systems ("ZRs" and "minibuses") can give change; the larger blue buses from the government-operated Barbados Transport Board system cannot, but do give receipts. The Barbados Transport Board buses travel in regular bus routes and scheduled timetables across Barbados. Schoolchildren in school uniform including some Secondary schools ride for free on the government buses and for  on the ZRs. Most routes require a connection in Bridgetown. Barbados Transport Board's headquarters are located at Kay's House, Roebuck Street, St. Michael, and the bus depots and terminals are located in the Fairchild Street Bus Terminal in Fairchild Street and the Princess Alice Bus Terminal (which was formerly the Lower Green Bus Terminal in Jubilee Gardens, Bridgetown, St. Michael) in Princess Alice Highway, Bridgetown, St. Michael; the Speightstown Bus Terminal in Speightstown, St. Peter; the Oistins Bus Depot in Oistins, Christ Church; and the Mangrove Bus Depot in Mangrove, St. Philip. In July 2020, the Barbados Transport Board received 33 BYD electric buses which were obtained not only to add to the aging fleet of diesel buses but also to assist the Government in their goal of eliminating the use of fossil fuels by the year 2030.