Evaluation of Traffic Calming Schemes Implemented 1997 – 2002 RS 474 Road Safety Remedial Measures Programme Evaluation of Programme 7 to 10 Schemes Implemented between 2002 & 2005 Evaluation of Traffic Calming Schemes Implemented 1997 – 2002 National Roads Authority St. Martin’s House, Waterloo Road, Dublin 4. Tel: 01 660 2511 Fax: 01 668 0009
[email protected] www.nra.ie 2 Road Safety Remedial Measures Programme - Evaluation of Programme 7 to 10 RS 474 Road Safety Engineering Road Safety Remedial Measures Programme Evaluation of Programme 7 to 10 Schemes Implemented between 2002 & 2005 June 2010 F. Bohane 3 3 Evaluation of Traffic Calming Schemes Implemented 1997 – 2002 4 Road Safety Remedial Measures Programme - Evaluation of Programme 7 to 10 TABLE OF CONTENTS page Acknowledgements ii Foreword iii Executive Summary v CHAPTER 1 Introduction 1 1.1 Background 1 1.2 Key Facts 2 Scope 2 Target 2 Collision Reports 3 Road Safety Remedial Scheme Assessment 3 CHAPTER 2 Evaluation 5 2.1 Road Safety Remedial Schemes 1998 to 2005-Programme 3 to 10 5 2.2 Methodology of Assessment 5 2.3 Controlling for Confounding Factors 6 2.4 Regression to Mean 6 2.5 Economic Evaluation 7 2.6 Results by Solution Type 9 2.7 Statistical Analysis 10 2.8 Examples of Schemes 11 CHAPTER 3 Conclusion 16 APPENDICES 1 17 Site Location Maps and Scheme details 18 APPENDICES 2 39 Solution Type 39 APPENDICES 3 63 Assumed Regression to Mean Effect 63 APPENDICES 4 64 Chi Squared Test 64 i Road Safety Remedial Measures Programme - Evaluation of Programme 7 to 10 ACKNOWLEDGEMENTS Many people contributed to the success of these programmes.