The M4 is closed within the westbound route close to Bristol after a physique was discovered on the carriageway.
Police have been referred to as to studies of one thing within the street between junction 20 (Almondsbury interchange) and junction 22 (Awkley) on Saturday at 18:40 GMT.
Avon and Somerset Police mentioned human stays had been discovered and so they have been investigating how that they had come to be on the motorway.
The M4’s westbound carriageway is prone to stay closed till additional discover.
The eastbound carriageway of the M4 and the M48 between the Severn Crossing and junction 21 of the M4 was closed, however has since reopened.
Officers are attempting to determine the particular person and notify their subsequent of kin.
Nationwide Highways mentioned diversions have been in place.
Anybody travelling alongside the motorway on the time of the incident, with data or sprint cam footage is requested to contact police.