The M4 will be shut for 'some time' after a car flew off the motorway.
Officers have closed the eastbound carriageway between junction 19 (Bristol/M32) and junction 18 (Bath) following a single-vehicle-crash at around 2:50pm today (December 7).
There's now standstill traffic on the busy route, as vehicles have been temporarily held.
You can follow updates on the M4 crash here.
Avon and Somerset Police has launched an investigation and the force is urging witnesses to come forward.
A force spokesman said: "The collision, which involved a car leaving the carriageway, was reported at just after 2.50pm today.
"The road is likely to remain closed for some time to allow for an investigation to take place. Diversions are in place.
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"If you have any information which could help the investigation into the collision call 101 quoting log number 594 of 7 December."
There are 20-minute delays on the route at the time of publishing.
