South Wales Police says the north and southbound carriageways of the A470 remain closed at Pontypridd, due to concerns around the safety of a woman.
Motorists are continuing to report long delays on the A470 around Pontypridd, due to a police incident at the Brown Lennox Roundabout.
The A470 is closed in both directions after an accident between Trawsfynydd and Bronaber.
The A470 Northbound is closed and there's heavy traffic because of a fallen tree and recovery work between Abercynon Roundabout and Abercanaid Roundabout.
A470 Ffrwd Road is closed after an accident at the A465 Heads Of The Valleys Road (Cefn Coed Roundabout).
The A470 is closed in both directions between the B5279 and Ffordd Ty Gwyn (Ty Gwyn Road) after an accident. There's queueing traffic.
The A470 is closed in both directions after an accident between B4518 (Llanidloes) and A489 Long Length (Caersws). Police are directing traffic.
One lane is blocked and there's slow traffic because of a broken down lorry on the A470 North Road inbound between Maindy Road and Colum Road.
Horses are no longer on the A470 Southbound between the A4102 Swansea Road / Swansea Road (Cyfarthfa Park Roundabout) and the A4102 (Rhydycar Roundabout).
The A470 Lloyd George Avenue Southbound is blocked and there's slow traffic because of an accident between Tresillian Way / Herbert Street and the A4119 Collingdon Road (Cardiff Bay).