Driver stops motorway traffic when he has a trailer tyre blowout

Filming from a motorway bridge and heard a tyre burst. Driver stopped in outside land, then directed the other lanes of traffic so he could reach the hard shoulder.
#motorwaynearmiss #breakdowninmotorwaylane #M4nearmiss

[@codprawn]

A sensible driver for a change.

[@p.istaker8862]

Why was the driver in the outside overtaking lane with a trailer ?