This work was commissioned by Metro, the West Yorkshire Passenger Transport Executive and the Centre for Cities, a research and policy institute specialising in economic performance of cities and adopted a specific view on estimating the interaction between transport and land-use planning and on impacts of different measurements of economic benefits. This was a research project designed to estimate the scale of agglomeration benefits compared to the time-savings benefits used in conventional scheme appraisal andto understand how results could be used to improve the case for transport. More specifically, the research sought to better understand the relationship between transport investment and agglomeration economies - and how new methodologies to estimate these benefits can be applied at a city-regionlevel The aim was to assess the potential agglomeration impacts of three different strategic approaches to improving transport links in the Leeds City Region, and to derive policy recommendations for appraisal. The overall methodology to estimate the agglomeration benefits is described along with its application to the Leeds City Region. Some results on the magnitudeof the agglomeration benefits are presented and compared with traditionalimpact indicators. For the covering abstract see ITRD E145999
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