One lane is closed due to flooding on the M4 Westbound between J16 (Swindon West) and J17 (Chippenham).
Drivers are urged to take extra care today as surface water and heavy rain could make conditions dangerous.
Two lanes are closed and traffic is slow due to a vehicle fire on the M4 Westbound between J18 (Bath) and J19 (Bristol).
Drivers are advised to approach with care. Lanes one and two are closed and there's the possibility of smoke blowing across the carriageway causing low visibility.
A Romanian man is critically ill after his articulated lorry overturned into a ditch on the M4 near Bristol this morning, 25 September.
The lorry was travelling Westbound along the Almondsbury interchange when it overturned at 6.30am.
The driver, a 28-year-old Romanian national, was taken to Southmead Hospital in Bristol with serious injuries and is in a critical condition.
Police would like to hear from anyone who saw what happened.
The westbound stretch of the M4 has been closed between junction 21 and 22 all day to allow for the scene to be examined and for the lorry can be recovered.
There are long delays on the M4 westbound near Bristol. It was caused by a lorry that overturned between J21 for the M48 and J22 for the M49 at 6.30am this morning. There is congestion right back to J18 for Bath.
Police say removing the overturned lorry has proved to be a "significant challenge". The operation is ongoing.
Meanwhile the Highways Agency is advising motorists to divert via the M48 towards Wales using the original Severn Bridge, although this is also very congested as a result of the extra traffic from the closure.
The M4 is closed westbound between Junction 21 (M48) and Junction 22 (M49). It is due to accident investigation and recovery work after a lorry overturned at 6.30am.
It is causing major congestion back to the M32.
Drivers are being advised to divert via the M48 towards Wales using the old Severn Bridge but be warned the closure is having a knock on effect and there are heavy queues at the Toll Booths.
Two cars have been involved in an accident on the M4 Eastbound between J20 (Almondsbury Interchange) and J19 (Bristol).
One lane is closed and traffic is slow.
A man who died after his car hit a wild boar on the M4 in Wiltshire has been named as Raymond Green from Wootton Bassett. Mr Green, who was 47, died on Monday evening after his Seat Ibiza hit the animal and then collided with a lorry on the eastbound carriageway between junctions 17 and 16.
The male driver of the Renault lorry received treatment at the scene for minor shoulder injuries. The road was closed for eight hours while police investigators attended the scene.
Wiltshire Police are appealing for witnesses following a fatal road traffic collision on the eastbound stretch of the M4.
The incident took place around 6.40pm yesterday evening between J17 and J16.
A black Seat Ibiza was in collision with a wild boar in lane 2 of the motorway. The Seat Ibiza then collided with a white Renault articulated lorry.
The driver of the Seat Ibiza, a 47 year-old man from Royal Wootton Bassett, died at the scene. His next of kin have been informed.
The driver of the Renault lorry received treatment at the scene for minor shoulder injuries.
The road was closed for eight hours whilst the Collision Investigation Unit attended the scene.
Anyone with information is asked to contact PC Mark Cargill via 101 or Crimestoppers on 0800 555 111 where information may be left anonymously.
A motorist was killed when their car crashed into a wild boar and was then hit by a lorry.
The incident occurred on the M4 in Wiltshire between J17 and J16 yesterday evening.
Police say the driver of the car died at the scene. The driver of the lorry didn't need any hospital treatment.
The M4 eastbound is closed due to a serious crash involving a lorry and a car between J17 (Chippenham) and J16 (Swindon West).
It happened at about 18:45.
Drivers should follow the hollow square symbol for the diversion.