T0653 TLAB3009 Freight Wider Economic Impacts Study

Transport infrastructure investments are appraised using the Transport Analysis Guidance (TAG) framework, primarily capturing welfare impacts through user benefits derived from transport modelling. While these benefits typically reflect the welfare effects of transport investments, market distortions can result in additional Wider Economic Impacts (WEIs). Currently, TAG assumes a fixed freight demand for Heavy Goods Vehicles (HGVs) in future years, with cost estimations focused on journey time, fuel, and other char...