ARDEE – CASTLEBLAYNEY CLONTIBRET – BORDER CLONTIBRET TO BORDER ROAD SCHEME ARDEE – CASTLEBLAYNEY CLONTIBRET – BORDER FEBRUARY 2021 CLONTIBRET ARDEE TO CASTLEBLAYNEY // BORDER ROAD SCHEME CLONTIBRET TO BORDER ROAD SCHEME ARDEE TO CASTLEBLAYNEY ROAD SCHEME CLONTIBRET TO BORDER ROAD SCHEME OPTION SELECTION REPORT rgb rgb // VOLUME22 4 - PHASE238 2 STAGE 1 ASSESSMENT 69 60 WORKING130 PAPER72 REPORT #154582 #e83d49 rgb rgb // 44 29 175 29 226 27 #2dafe2 #e8e7e7 [Blank Page] VOLUME 4 – PHASE 2 STAGE 1 ASSESSMENT N2 Clontibret to Border Road Scheme Project No: 32110000 Document Title: OPTION SELECTION REPORT, VOLUME 4 – PHASE 2 STAGE 1 ASSESSMENT, WORKING PAPER REPORT Document No.: N2-JAC-HWG-C2B-RP-OS-0001 Revision: R0 Document Status: Published Copy Date: February 2021 Client Name: Monaghan County Council Client No: MN/08/3158 & WH0203 Project Manager: Gerry Healy Author: Lorcán Horgan File Name: N2-JAC-HWG-C2B-RP-OS-0001.docx Jacobs Engineering Ireland Limited Merrion House Merrion Road Dublin 4, D04 R2C5 Ireland T +353 1 269 5666 F +353 1 269 5497 www.jacobs.com © Copyright 2021 Jacobs Engineering Ireland Limited. The concepts and information contained in this document are the property of Jacobs. Use or copying of this document in whole or in part without the written permission of Jacobs constitutes an infringement of copyright. Limitation: This document has been prepared on behalf of, and for the exclusive use of Jacobs’ client, and is subject to, and issued in accordance with, the provisions of the contract between Jacobs and the client. Jacobs accepts no liability or responsibility whatsoever for, or in respect of, any use of, or reliance upon, this document by any third party. Document history and status Revision Date Description Author Checked Reviewed Approved R0 Feb 2021 Published Copy LH CO’D GH GH N2-JAC-HWG-C2B-RP-OS-0001 i VOLUME 4 – PHASE 2 STAGE 1 ASSESSMENT Overarching Structure of Option Selection Report Volume Ref. No. & Title Contents Volume 0 – Executive Summary Volume 1 - Main Report Volume 2 – Drawings Part A – Route Corridor Drawings Part B – Constraints Drawings Volume 3 – Constraints Study Report Main Report Volume 4 – Phase 2 Stage 1 Main Report & Associated Appendices Working Paper Report Volume 5 – Stage 2 Environmental Main Report & Associated Appendices Appraisal Report Volume 6 – Engineering Appendices Part A – Traffic Modelling Report Part B – RSA Stage F Part 1 Report Part C – RSA Stage F Part 2 Report Part D – Cost Benefit Analysis Report Volume 7 - Non-Statutory Post Part A – Public Consultation 1 – Study Area & Constraints Consultation Reports Part B – Public Consultation 2 – Route Corridor Options Part C – Public Consultation 3 – Emerging Preferred Corridor Volume 8 – Project Appraisal Balance PABS Sheet N2-JAC-HWG-C2B-RP-OS-0001 ii VOLUME 4 – PHASE 2 STAGE 1 ASSESSMENT Contents 1. Introduction............................................................................................................................................................. 1 1.1 Purpose of Report ................................................................................................................................................................... 1 1.2 History of Project .................................................................................................................................................................... 1 1.3 Overview of Scheme .............................................................................................................................................................. 2 1.4 Scheme Objectives ................................................................................................................................................................. 4 1.5 Strategic Fit and Priority ...................................................................................................................................................... 6 2. Overview of Option Selection Process ........................................................................................................... 10 2.1 General Overview ................................................................................................................................................................. 10 2.2 Options Selection Process – Definition of the Study Area ................................................................................... 12 2.3 Options Selection Process – Constraints Study ........................................................................................................ 12 2.4 Option Selection Process – Public Consultation 1 – Study Area and Constraints ...................................... 14 2.5 Option Selection Process – Stage 1 Assessment Overview ................................................................................. 15 3. Consideration of Alternatives and Options .................................................................................................. 17 3.1 Introduction ........................................................................................................................................................................... 17 3.2 Do-Nothing Option ............................................................................................................................................................. 17 3.3 Do-Minimum Option .......................................................................................................................................................... 26 3.4 Do-Something Alternative – Public Transport ......................................................................................................... 29 3.5 Do-Something Option – Traffic Management Options ......................................................................................... 32 3.6 Do-Something Option – Feasible Route Corridor Options .................................................................................. 42 3.7 Consideration of Alternatives and Options – Conclusion ..................................................................................... 42 4. Development of Stage 1 Feasible Route Corridor Options ....................................................................... 43 4.1 Introduction ........................................................................................................................................................................... 43 4.2 Description of Route Corridor Options ........................................................................................................................ 43 5. Stage 1 Assessment – Methodology & Assessment ................................................................................... 53 5.1 Introduction ........................................................................................................................................................................... 53 5.2 General Methodology ........................................................................................................................................................ 54 5.3 Engineering Assessment ................................................................................................................................................... 56 5.4 Environment Assessment ................................................................................................................................................. 82 5.5 Economy Assessment...................................................................................................................................................... 104 5.6 Summary of Combined Stage 1 Assessment ......................................................................................................... 108 6. Conclusion & Recommendation .................................................................................................................... 113 Appendix A. Feasible Route Option Corridors Drawings (Refer to Volume 2 – Drawings; Part A- Route Corridor Drawings) ............................................................................................................................................ 114 Appendix B. Overall Stage 1 Performance Matrix .................................................................................................. 115 Appendix C. Economy – Stage 1 Option Comparison Estimates (OCEs) ........................................................... 116 Appendix D. Road Safety Impact Assessment Report ........................................................................................... 122 N2-JAC-HWG-C2B-RP-OS-0001 iii VOLUME 4 – PHASE 2 STAGE 1 ASSESSMENT Foreword Note 1: This Report documents the Stage 1 Assessment for the N2 Clontibret to Border Road Scheme which was undertaken in September 2019. The content of this document is reflective of this date. Note 2: Following completion of the Stage 1 Assessment in September 2019, and the identification of 6 No. Stage 1 Route Corridor Options for progression to Stage 2 as per Chapter 6 (Conclusions & Recommendation) of this Report, the naming and colouring changes listed in Table F.1 below were undertaken for ease of presentation to the public for Public Consultation 2 (Route Corridor Options), which was undertaken in October, November and December 2019. Ref. Naming /Colouring Convention for Public Stage 1 Assessment Naming / Colouring Convention No. Consultation 2 and the Stage 2 Assessment 1 Brown Option A (Brown) 2 Orange Option