There are reports of one lane being blocked and slow traffic after an accident on the M4 Westbound between J45 (Ynysforgan) and J46 (Llangyfelach).
Two lanes are closed and there is queueing traffic for eight miles after a multi-vehicle accident on the M4 Eastbound before J23A.
There is congestion through the Brynglas Tunnel to J26 (Malpas Road). Travel time is around 90 minutes.
All three (of three) lanes were closed. Lane one has re-opened.
There are long queues on the M4 Eastbound after an accident just before J23A (Magor Services).
Three lanes are closed and traffic is using the hard shoulder. There are queues back to the Brynglas Tunnels.
There is slow traffic and one lane closed after a multi-vehicle accident on the M4 Eastbound before J23A (Magor Services).
There is queueing traffic and a lane is blocked because of a broken down van on the exit slip road Eastbound at J33 of the M4 (Cardiff West And Services)
There are hazardous driving conditions and there is slow traffic because of fog and a rolling road block on the M4 Second Severn Crossing.
Visibility is reduced in both directions between J23 M48 and J22 M49. There's a 30 mph speed limit.
There is slow traffic after an accident, now on the hard shoulder on the M4 Briton Ferry Bridge Eastbound between J42 (Earlswood Roundabout/Fabian Way) and J41 (Baglan/Pentyla).
All lanes have been re-opened.
The A4810 Queens Way (Eastern Distributor Road) is closed in both directions and there is queueing traffic after an accident.
It involved a motorcycle between the M4 J23A (Magor Services) and Llanwern Steel Works (Tata Steel).
The collision is near to Gwent Europark and Tesco Distribution Centre.
It's affecting traffic from J23A of the M4 towards the South of Newport, with queues and congestion for the M4 slip roads at J23A.
There are residual queues on the M4 Eastbound after an accident on the M4 near Newport.
There is very slow traffic on the M4 after an accident on the M4 Eastbound near Newport.
It happened on St Julian's Hill just before junction 24.
There is congestion to J29 A48(M). All lanes have reopened but the incident is also affecting the A48(M).