 Gold Coast is one of the fastest growing cities in Australia and this has caused a growing problem with congestion, with much of the existing road network approaching capacity.All three levels of government in Australia have been exploring options to reduce congestion on Gold Coast roads and to reduce travel time.The Pacific Motorway is one Australia's busiest highways and is a national freight route, it is estimated that up to 155, 000 vehicles use the Gold Coast section of the motorway each that with this figure forecasted to rise.