Road network information is critical for allowing the Queensland Department of Transport and Main Roads (TMR) to efficiently manage their network. As a result, TMR has invested in traffic counters, weigh-in-motion (WIM) sites and automatic number plate recognition (ANPR) sites to quantify the traffic on the network. While these sites provide invaluable information, they only provide information at a point on the network. In order to provide greater visibility of the loading of the network the concept of Virtual WIM (V-WIM) has been explored in this report. V-WIM builds on existing data sources to extrapolate the information collected from WIM sites across a broader area of the network. The primary use-case for V-WIM is for the asset management of roads and bridges through better understanding road freight movements and the loads imparted on the infrastructure.
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