3.9.1: MSA - Assessment Against Central Government Objectives 3.9.2: MSA - Cost Benefit Analysis 3.9.3: MSA - Risk Analysis [see The Estimation and Treatment of Scheme Costs - Unit 3.5.9] 3.9.4: MSA - Optimism Bias [see The Estimation and Treatment of Scheme Costs - Unit 3.5.9] 3.9.5: MSA - Decongestion Benefits 3.9.6: MSA - Audit Trail