TRANSPORT SCOTLAND Scottish Trunk Road Infrastructure Project Evaluation (STRIPE) M74 Completion Scheme One Year After Opening Evaluation Scottish Trunk Road Infrastructure Project Evaluation M74 Completion Scheme CONTENTS: Page 1 SUMMARY OF IMPACTS ........................................................................................ 1 1.1 The M74 Completion Scheme .................................................................................. 1 1.2 Objectives – Is the Scheme Moving Towards its Objectives?................................... 1 1.3 Process Evaluation - How well was the Project Implemented? ................................ 1 1.4 Operational Indicators – How well is the Project Operating? .................................... 1 1.5 Cost to Government – Has the Project Delivered Value for Money? ........................ 2 2 INTRODUCTION ..................................................................................................... 3 2.1 Background to Evaluation ........................................................................................ 3 2.2 STRIPE Post-Project Evaluation .............................................................................. 3 2.3 Four Week / Sixteen Week After Evaluation ............................................................ 4 2.4 One Year After Evaluation ....................................................................................... 4 3 SCHEME OBJECTIVES .......................................................................................... 5 3.1 The M74 Completion Scheme .................................................................................. 5 3.2 Planning Objectives ................................................................................................. 5 3.3 Transport Objectives ................................................................................................ 6 3.4 Basis for 1YA Evaluation ......................................................................................... 6 4 PROCESS EVALUATION ........................................................................................ 7 4.1 Scope ...................................................................................................................... 7 4.2 Process Evaluation .................................................................................................. 7 5 OPERATIONAL INDICATORS ................................................................................ 8 5.1 Traffic Flows – Collection and Analysis .................................................................... 8 5.2 Traffic Flows – Data Presented in this Report .......................................................... 8 5.3 Traffic Flows - Impact of Road Works ...................................................................... 9 5.4 Traffic Flows - Background Changes ......................................................................10 5.5 Traffic Flows - Before and After Opening Comparisons ..........................................12 5.6 Traffic Flows - Comparisons of Observed vs. Forecast ...........................................18 5.7 Journey Times ........................................................................................................20 5.8 Average Speeds .....................................................................................................25 5.9 Carriageway Standards ..........................................................................................28 5.10 Stakeholder Consultation ........................................................................................29 5.11 Operational Indicators - Key Findings .....................................................................30 6 ENVIRONMENT .....................................................................................................32 6.1 Scope .....................................................................................................................32 Scottish Trunk Road Infrastructure Project Evaluation M74 Completion Scheme 6.2 Environmental Assessment.....................................................................................32 7 SAFETY .................................................................................................................33 7.1 Accident Comparisons ............................................................................................33 7.2 Road Safety Audit Process .....................................................................................35 7.3 Stakeholder Consultation ........................................................................................36 7.4 Safety - Key Findings ..............................................................................................38 8 ECONOMY .............................................................................................................39 8.1 Scope .....................................................................................................................39 8.2 Economic Outcomes ...............................................................................................39 9 INTEGRATION .......................................................................................................40 9.1 Introduction .............................................................................................................40 9.2 Strategic Policy Integration .....................................................................................40 9.3 Land-Use Transport Integration ..............................................................................45 9.4 Integration - Key Findings .......................................................................................48 10 ACCESSIBILITY & SOCIAL INCLUSION................................................................49 10.1 Introduction .............................................................................................................49 10.2 Community Accessibility .........................................................................................49 10.3 Accessibility & Social Inclusion - Key Findings ........................................................52 11 COST TO GOVERNMENT .....................................................................................53 11.1 Investment Costs ....................................................................................................53 11.2 Cost to Government – Key Findings .......................................................................53 12 WORKING TOWARDS ACHIEVEMENT OF OBJECTIVES ....................................54 12.1 Evaluation Summary ...............................................................................................54 12.2 1YA Evaluation Outcomes ......................................................................................54 12.3 Key Objectives ........................................................................................................56 12.4 STRIPE 5YA Project Evaluation .............................................................................59 A Traffic Analysis .......................................................................................................60 A.1 Flow Comparison Tables ........................................................................................60 A.2 Traffic Flows - Background Changes ......................................................................61 A.3 Traffic Flows - Before and After Opening Comparisons ..........................................73 A.4 Forecast Opening Year Flows vs. Observed Opening Year Flows ..........................89 A.5 Before & After Opening Average Speed Comparisons (Strategic Network Only) .. 101 B Strategic Network Schematics .............................................................................. 109 B.1 Traffic Flows - Background Changes .................................................................... 109 Scottish Trunk Road Infrastructure Project Evaluation M74 Completion Scheme B.2 Traffic Flows & Average Speed Comparisons ....................................................... 114 Scottish Trunk Road Infrastructure Project Evaluation M74 Completion Scheme FIGURES: Page Figure 3.1 : Route Alignment and Local Network Connections 5 Figure 5.1 : Historic Local Road Network Long-Term ATC Sites 11 Figure 5.2 : Local Road Network Long-Term ATC Site Plan 15 Figure 5.3 : East-West Screenline 17 Figure 5.4 : Route 1 - Hamilton to Glasgow Airport via M73 & M8 21 Figure 5.5 : Route 2 - Hillington to Newhouse 22 Figure 5.6 : Route 3 - Newton Mearns to Glasgow City Centre 22 Figure 5.7 : Route 4 - Hamilton to Glasgow Airport via M74C & M8 23 Figure 7.1 : Central Scotland Transport Model Geographic Coverage 33 Figure B.1 : 24hr May 2010 versus May 2011 flows on strategic network 110 Figure B.2 : AM interval May 2010 versus May 2011 flows on strategic network 111 Figure B.3 : Inter-peak interval May 2010 versus May 2011 flows on strategic network 112 Figure B.4 : PM interval May 2010 versus May 2011 flows on strategic network 113 Figure B.5 : 24hr before and after flows on strategic network 115 Figure B.6 : AM Interval (07:00-10:00) before and after flows on strategic network 116 Figure B.7 : Inter-peak Interval (10:00-16:00) before and after flows on strategic network 117 Figure B.8 : PM Interval (16:00-19:00) before and after flows on strategic network 118 Figure B.9 : 24hr before versus after flow differences on the strategic network 119 Figure B.10 : 24hr