Services 21 and 23 will divert on Friday 2 and Saturday 3 December due to the Rhiwbina Christmas festival.
Service 21
Buses will follow their normal route to the junction of Pantbach Road/Beulah Road then divert via Beulah Road, Thornhill Road, Heol Llanishen Fach and Heol Uchaf before returning to their normal route.
Service 23
Buses will follow their normal route to Heol Uchaf then turn left onto Heol Llanishen Fach and divert via Thornhill Road, Beulah Road before returning to their normal route at Pantbach Road.