5 Expected Future Changes in Scotland 5.1 Purpose of Chapter 5.2 Key Policy Issues 5.3 Population and Household Change 5.4 Forecast Economic and Employment Change 5.5 Regional Profiles 5.6 Railway Policy Changes 5.7 Airport Growth 5.9 Committed Road Schemes 5.10 Future Rail Freight Market Changes 5.11 Overview of Stakeholder Aspirations for Transport Improvements 5.12 Planning Uncertainties 5.13 Conclusions on the Drivers of Change