WATCH: Driver's terrifying swerve across the M5

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This heart-stopping dashcam footage captures a reckless driver swerving across three lanes of a busy motorway to make the exit slip road.

Trucker Mike James was approaching junction 11a of the M5 in Gloucestershire when a black Audi A3 overtook him in the outside lane.

The driver swerved across the motorway

The driver swerved across the motorway

But seconds later it suddenly swerves left towards the southbound slip road - squeezing between two moving cars in the middle lane.

The car kicks up a plume of dust on the slip road hazard signs and narrowly avoids the crash barrier.