There is stop-start traffic after an accident on the M4 Brynglas Tunnel Eastbound between J26 (Malpas Road) and J25A (Newport/Grove Park Roundabout). There is congestion to J29 A48(M).
On the M4 Eastbound one lane is blocked on the exit slip road and there's queueing traffic because of a broken down vehicle at J43 A465 (Llandarcy).
Traffic has returned to normal after an earlier accident on the M4 Eastbound before J45 (Ynysforgan).
There's stop-start traffic for nine miles because of an earlier broken down vehicle on the M4 Eastbound between J25 (Caerleon) and J24 Coldra).
There's congestion on the M4 to J30 (Cardiff Gate).
It's also affecting the A48(M) Eastbound between J29A (St Mellons) and the M4 at J29
One lane is blocked and there's queueing traffic after an accident on the M4 Eastbound between J27 B4591 (Highcross) and J26 A4051 (Malpas Road).
One lane is closed and there's stop-start traffic on the M4 Eastbound between J26 A4051 (Malpas Road) and J25A A4042 / B4596 (Newport/Grove Park Roundabout).
There's queueing traffic after an accident, now on the hard shoulder on the M4 Eastbound between J34 A4119 (Miskin) and J33 A4232 (Cardiff West And Services). All lanes have been re-opened.
There's very slow traffic because of people slowing to look at accident on the M4 Eastbound between J40 A4107 (Port Talbot / Taibach) and J39 A48 (Margam). There's congestion to J43 A465 (Llandarcy). Travel time is 25 minutes.
There's queueing traffic and the main carriageway is after an accident and recovery work on the M4 Eastbound at J47 A48 / A483 (Penllergaer/Swansea West Services). There's congestion on the M4 to almost J48 A4138 (Hendy/llanelli). Police are directing traffic. Travel time is up to 45 minutes.
Traffic is easing after thye earlier accident on the M4 Eastbound between J33 A4232 (Cardiff West And Services) and J32 A470 / A4054 (Coryton Interchange).