Cardiff connecting the A48 Eastern Avenue to the unbuilt Hook Road. Initial plans were for a limited access freeflow interchange but this was soon changed to a three level stacked roundabout to enable all turning movements to be made. There was a lot of controversy at the time as it would have resulted in the loss of part of Cathays Cemetery. A large number of graves would have to be exhumed.
|M4 (E), Newport|
|M4 (W), Cardiff Airport|