The A470 North Road is closed in both directions and there is slow traffic because of a police incident at the Gabalfa Interchange.
There is congestion on the A470 to M4 J32 (Coryton Interchange).
The road is closed over the Gabalfa flyover. Traffic is getting being diverted around the roundabout of the A469 around the interchange.
It is affecting multiple bus routes around Cardiff including Cardiff bus 35 and 2. It is also affecting Stagecoach routes X4 and T4.