highway is often congested with oversize loads (e.g. mining haul-trucks, dozers and excavators, tyres and buckets) and road trains, which presents a significant hazard and frustration to fatigued long-haul commuters (Drive-in, Drive-out mine workers) on the road.

Northern Australia Roads Program upgrade

The Northern Australia Roads Program announced in 2016 included the following project for the Peak Downs Highway.

Pavement widening and strengthening

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