One lane is closed and there is queueing traffic after an accident on the M4 Westbound after J28 A48 / A467 Forge Road (Tredegar Park).
A crash has forced the closure of part of the M4.
There are reports of 'severe' disruption on the eastbound side at junction 24.
Two cars were involved - nobody sustained any life-threatening injures.
Traffic can also be seen queueing through the Brynglas tunnels.
Diversions are in place with vehicles being taken off at junction 24, directed around the Coldra and back on to the other side of the M4.
The accident has been cleared and traffic is easing on the M4 Eastbound at J45 A4067 / B4603 (Ynysforgan)
There is very slow traffic after an accident on the M4 Eastbound before J47 A48 / A483 (Penllergaer/Swansea West Services).
One lane closed and there is queueing traffic after an accident on the M4 Briton Ferry Bridge Eastbound between J42 A48 (Fabian Way) and J41 (Port Talbot).
Two lanes are closed and there is queueing traffic because of a broken down lorry on the M4 Westbound between J24 A48 / A449 (Coldra) and J25 A4042 / B4596 (Caerleon). There is congestion to J23a B4245 (Magor Services).
There is very slow traffic and the exit slip road is closed because of to recovery work after a vehicle fire on the M4 Eastbound at J46(Llangyfelach). There is congestion to J47 (Penllergaer/swansea West Services)
Two lanes closed and there's queueing traffic after an accident involving three vehicles on the M4 Malpas Straight Westbound between J26 (Malpas Road) and J27 (Highcross). There is congestion to J24 (Coldra).
The M4 Eastbound is partially blocked and there is very slow traffic because of an accident between J28 (Tredegar Park) and J27 (Highcross).
The M4 Westbound is partially blocked and there is very slow traffic because of an accident before J27 (Highcross). There is congestion to J25a (Newport/grove Park Roundabout).