Posted on October 14, 2009 by admin Travel news – Rhiwbina Hill closed Rhiwbina Hill closed due to a tree being felled this morning on an emergency basis. The road will be closed until 3pm today. Diversion via Heol-y- Fforest, Castle Road Mill Road Merthyr Rd, Coryton gyratory, A470, Pantmawr Road route. Share with friends.....FacebookEmailGoogleTwitterLinkedinStumbleuponTumblrPinterest Other articles: No related posts. Cardiff, Transport