| T 4 | Merthyr Tydfil to Brecon (Interchange) | Only this direction, Mon to Sun (1 trip) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Merthyr Tydfil | Only this direction, Sun (1 trip) | Stagecoach Wales | | T 4 | Merthyr Tydfil to Brecon (Powys College) | Only this direction, Mon to Fri (1 trip) | Stagecoach Wales | | T 4 | Merthyr Tydfil to Cardiff | Mon to Sat (every 60 mins) | Stagecoach Wales | | T 4 | Dowlais Top to Cardiff | Early Mornings, this way only, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Llandrindod Wells to Brecon (Interchange) | Evenings only, one way, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Cardiff to Brecon (Interchange) | Only this direction, Mon to Sat (3 trips) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Cardiff | Only this direction, Mon to Sat (4 trips) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Cardiff | Only this direction, Mon to Fri (1 trip) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Newtown | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Brecon (Interchange) to Newtown | Only this direction, Mon to Fri (1 trip) | Stagecoach Wales | | T 4 | Newtown to Brecon (Interchange) | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Merthyr Tydfil to Newtown | Only this direction, Sun (1 trip) | Stagecoach Wales | | T 4 | Cardiff to Llandrindod Wells | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Newtown to Merthyr Tydfil | Only this direction, Sun (1 trip) | Stagecoach Wales | | T 4 | Newtown to Merthyr Tydfil | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Newtown to Merthyr Tydfil | Only this direction, Mon to Fri (1 trip) | Stagecoach Wales | | T 4 | Crossgates to Cardiff | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Merthyr Tydfil to Newtown | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Newtown to Merthyr Tydfil | Only this direction, Mon to Sat (1 trip) | Stagecoach Wales | | T 4 | Newtown to Cardiff | Only this direction, Mon to Sat (3 trips) | Stagecoach Wales |