This report documents trends in the use of strategic planning in a range of countries and the associated establishment of independent infrastructure advisory bodies. It documents practices in the areas of project identification, appraisal and selection. It considers the appropriate scope of impact assessments, including the use of wider economic impacts and the role of ex post evaluation in contributing to better appraisals of future investments. Finally, it looks at how the effective stewardship of existing infrastructure assets can maximise their ongoing productivity.