| 45B | Cardiff (Cardiff Castle) to St Mellons | Only this direction, Mon to Fri (5 trips) | Cardiff | | 45 | Cardiff to St Mellons | Only this direction, Mon to Fri (3 trips) Sat (8 trips) Sun (1 trip) | Cardiff | | 44 | Cardiff to St Mellons | Only this direction, Mon to Fri (6 trips) Sat (3 trips) Sun (2 trips) | Cardiff | | 45 | Cardiff (Cardiff Castle) to St Mellons | Only this direction, Mon to Fri (57 trips) Sat (every 20 mins) Sun (every 30 mins) | Cardiff | | 45 | St Mellons to Cardiff | Only this direction, FriSat (2 trips) Sun (1 trip) | Cardiff | | 45 | St Mellons to Cardiff (Cardiff Castle) | Only this direction, Mon to Fri (51 trips) Sat (36 trips) Sun (23 trips) | Cardiff | | 45 | St Mellons to Cardiff | Only this direction, Mon to Fri (9 trips) Sat (3 trips) Sun (3 trips) | Cardiff | | 44 | Cardiff (Cardiff Castle) to St Mellons | Only this direction, Mon to Fri (57 trips) Sat (every 20 mins) Sun (every 30 mins) | Cardiff | | 44 | St Mellons to Cardiff | Only this direction, Fri (6 trips) Sat (2 trips) Sun (1 trip) | Cardiff | | 44 | St Mellons to Cardiff (Cardiff Castle) | Only this direction, Mon to Fri (59 trips) Sat (every 20 mins) Sun (every 30 mins) | Cardiff | | 44 | St Mellons to Cardiff | Only this direction, Mon to Fri (5 trips) Sat (2 trips) Sun (2 trips) | Cardiff |