Richard Pring died shortly after telling his partner that he "needed to go out", an inquest hears.
Read moreM4 motorway
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Video caption: Police catch lorry driver using two phones on motorway The man was filmed on a stretch of the M4 in Bristol by Avon & Somerset Police.
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Video caption: M4 crash: Police shut motorway after pedestrian dies The man was struck by an articulated lorry at about 03:45 GMT and died at the scene, police say.
By Alun Jones
BBC Wales Political Unit
By Brian Meechan
BBC Wales business correspondent
M4 weekend closure for road resurfacing
Copyright: Highways EnglandThe M4 will be closed for the weekend in both directions from 20:00 GMT this evening between junction 6 for Slough, and 8/9 for Maidenhead.
The junction 7 westbound entry and exit slip roads will also closed until Monday at 06:00.
This is for major resurfacing work as part of the £848m smart motorway project.
Drivers will be diverted on to the A4 Bath Road and A33 through the town until the motorway reopens at 06:00 on Monday.
The project started in 2018 and is due to be completed in Spring 2022.
Smart motorways involve using the hard shoulder as a running lane and using variable speed limits to control the flow of traffic.
Traffic delays expected during M4 closure
Copyright: Highways EnglandTraffic delays are expected in Reading this weekend as the next M4 closure will divert motorists through the town.
The M4 will be closed in both directions from 20:00 GMT this evening between junction 11 (Reading) and 12 (Theale).
This is for carriage resurfacing work as part of the £848m smart motorway project.
Drivers will be diverted on to the A4 Bath Road and A33 through the town until the motorway reopens at 06:00 on Monday.
The project started in 2018 and is due to be completed in Spring 2022.
Smart motorways involve using the hard shoulder as a running lane and using variable speed limits to control the flow of traffic.
