Highways England has released advice for drivers travelling south on the M5 after an incident early this morning.
It says it expects the motorway to reopen "early this evening".
The M5 in Somerset remains closed southbound this afternoon between J19 and J20 following a multi-HGV collision incident.
"Customers should be aware there are two specific diversion routes for traffic, both routes follow the hollow circle diversion symbol.
HGV traffic is advised to exit at J18. Join the A4 eastbound for approximately 5 miles, and then join the A370. Continue on the A370 southbound for approximately 14 miles to then rejoin the M5 at J21.
Non-HGV traffic should leave the M5 at J19 and join the A639 eastbound for approximately 5 miles until the roundabout with the A370. Take the A370 southbound for approximately 14 miles, and then rejoin the M5 at J21.
Please allow extra time for your journey should you be travelling in the area."
Emergency services say the M5 remains closed southbound between J19 and J20 following an collision this morning between two lorries.
Avon Fire and Rescue says three HGVs were involved in the incident and one of the drivers was rescued by crews using cutting and rescue equipment.
Police are advising motorists to avoid the area and find alternative routes for travelling home from work during the rush hour this afternoon, as the obstruction may not be completely cleared.
The incident happened at around 3am this morning.
Police say one of the lorries involved in the incident is carrying chemicals which must be removed before the obstruction can be cleared.
Officers say it is "difficult to say" when the clearing process will be completed.
The collision happened near J14 of the M5 earlier this month.Read the full story ›
West Mercia Police says it received reports of of a man "pointing a gun at another motorist" near Junction 8 of the M5 an hour before a fatal incident near Portishead.
At 8.30am yesterday (Wednesday 27 September) we received a report of a man in a vehicle pointing a gun at another motorist near to junction 8 of the M5. The incident was passed on to the Central Motorway Policing Group (CMPG).
The IPCC has been informed of this incident.
Queues are building on M5 Southbound at J29 A30 (Exeter / Honiton) and the exit slip road is blocked due to an accident .
Police say A30 Honiton Road Eastbound at M5 J29 (Exeter / Honiton) is also being affected with traffic very slow. The Westbound carriageway is unaffected.
Police say formal identification of the victims of the M5 collision on Saturday will not be completed this week.
Four people died in the collision, which happened between J15 and 14 in South Gloucestershire.
One of the victims was named yesterday as 46-year-old Adrian Beaumont, from Bristol.
Avon and Somerset Constabulary say they are still examining the vehicles.
Three people remain in hospital and our thoughts are with them and their loved ones.
We’re still at the start of a lengthy and complex investigation to determine what happened.
We’ve had more than 50 witnesses come forward with information so it’ll take time to speak to all these people and take statements. We’d like to thank the public for their support and assistance.
The examination of the vehicles also continues and we’re working closely with experts who will assist us in determining what caused this tragic collision.
We’re keen to hear from any witnesses who have not already provided their details, in particular anyone who may have been travelling on the southbound carriageway who saw the white Mercedes box van immediately prior to the collision.
The third lanes on the M5 have been closed both ways between junction 13 and junction 14, following a lorry crashing into a barrier.
Highways England and Gloucestershire Police are currently at the scene, between Thornbury and Stroud.
A father from Bristol has been named among the four victims of a "harrowing" crash on the M5 over the weekend.Read the full story ›
Highways England says the M5 northbound between junctions 16 and 14 has been fully reopened following the serious incident in South Gloucestershire on Saturday.
One lane had remained closed between junction 15 and junction 14 while police investigations continued.
The carriageway reopened fully at 5pm.
Highways England says drivers should be aware of residual delays in the area.
Police say they are still investigating the scene of the M5 collision in South Gloucestershire in which four people sadly died.
One lane of the northbound carriageway between J15 and J14 remains closed.
Avon and Somerset Constabulary say this closure is likely to remain in place for a few more hours.
Police say their thoughts remain with the families of all the victims.
A full investigation is being carried out into the circumstances of this collision, which involved a Mercedes box van and two cars.
Three people – a 42-year-old woman and two children, a 12-year-old boy and a 10-year-old girl, remain in a critical but stable condition in hospital.
Family liaison officers are working to support and locate the next of kin of all the victims. It may be some time before formal identification can be concluded. The driver of the lorry, a man in his forties from Worcestershire, has been spoken to and has provided us with an initial statement.