<prompt> yisiphi isiteshi sebhasi esiqala ngohlamvu u-S? Njengoba kunikezwe umbuzo odlule, bhala umongo onempendulo yawo. Kungaba imisho engu-1 kuya kwengu-20. Umongo:  <response>: Kunezinkampani ezintathu ezinkulu zamabhasi ezihlinzeka ngezinsizakalo edolobheni; i-Arriva North East, i-Go North East kanye ne-Stagecoach North East. Kukhona iziteshi ezimbili ezinkulu zamabhasi edolobheni: Isiteshi samabhasi iHaymarket kanye nesiteshi samabhasi i-Eldon Square. I-Arriva isebenza kakhulu esiteshini sebhasi iHaymarket enikeza iningi lezinsizakalo ezisenyakatho yeNewcastle, Northumberland naseNorth Tyneside. I-Go-Ahead isebenza kusuka e-Eldon Square Bus Station, enikeza iningi lezinsizakalo eningizimu yomfula eGateshead, eSouth Tyneside, eSunderland nase County Durham. I-Stagecoach ingumqhubi oyinhloko edolobheni uqobo, ngezinsizakalo eziwela idolobha ngokuyinhloko phakathi kokubili entshonalanga nasempumalanga ngokusebenzisa isikhungo sedolobha ngezinsizakalo ezithile ezifinyelela eMetroCentre, eKillingworth, eWallsend nasePonteland. Izinsizakalo zamabhasi eNewcastle upon Tyne kanye nezindawo ezizungezile eziyingxenye yendawo yaseTyne ne-Wear ziqondiswa yi-Nexus, iTyne ne-Wear Passenger Transport Executive. 