C4: South of Pentrebane Road (3.8mb PDF) ​​​ ​​ ​​​​​​​​Link opens in a new window ​ ​
C4: I’r De o Pentrebane Road (3.6mb PDF)​​​​​​​​ ​ ​​​​​​​​Dolen yn agor mewn ffenestr newydd ​ ​