Microsleep causes dramatic truck tip-up

A haul truck operator at a coal mine in New South Wales, Australia, is believed to have dozed off and braked suddenly, causing the truck to sit upright

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The truck tipped up and sat on the rear of its tray

The operator was unable to safely exit from the cab of their loaded haul truck for three hours after inadvertently hitting the brake or accelerator pedal, causing the truck to tip up and sit on the rear of its tray. The truck was queued on a ramp and started to roll backwards; the operator initially failed to detect this movement, and reacted suddenly. The operator reported that they may hav...