From first scheduled departure, Saturday, 13 December - until further notice
(modified at 2025.12.09. 12:47)
Bus 15 will from now on run between Gyöngyösi utca M and Kálvin tér M without serving the stops between Kálvin tér M and Boráros H. After Március 15. tér, the line runs via Belgrád rakpart–Vámház körút–Kecskeméti utca; at Kálvin tér, it only stops at Kecskeméti utca.