Book excerpt: Improved public transport services supporting city productivity growth: an Australian city case studyAustralian cities are increasingly pursuing compact settlement. This paper explores the opportunities to use urban structure to promote productivity growth. It examines the contribution of population and employment density and travel times.This paper emphasises the need for an integration of land use transport in our inner/middle suburbs to enhance the sustainability and productivity growth of our cities. This paper analyses a Melbourne case study of six high-tech/knowledge based clusters, examining these clusters in relation to productivity, travel time performance and how density and travel times might support future cluster productivity.