A10 Junctions and Dualling Project Development SOBC
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A10 Junctions and Dualling Strategic Outline Business Case Cambridgeshire and Peterborough Combined Authority July 2020 A10 Junctions and Dualling Strategic Outline Business Case A10 Junctions and Dualling Project No: BESP0020 Document Title: Strategic Outline Business Case Document No.: Revision: Rev 2 Document Status: Issued Date: July 2020 Client Name: Cambridgeshire and Peterborough Combined Authority Client No: Project Manager: Kate Beirne Author: Virginia Hernandez Jara, Ros Schaverien, Hermann Maier File Name: A10_SOBC_rev2.docx Jacobs U.K. Limited www.jacobs.com © Copyright 2020 Jacobs U.K. 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 0 05/07/2020 SOBC for Client Issue VHJ/ HM RS JW KB 1 15/07/2020 Update following comments from client team RS/HM/SW RS JW KB and Steer review 2 22/7/2020 Update following further comments from CPCA RS TC TC KB and Steer i A10 Junctions and Dualling Strategic Outline Business Case Contents Executive Summary ...................................................................................................................................................................... iv 1. Introduction ..................................................................................................................................................................... 1 1.1 Location overview .............................................................................................................................................................................. 1 1.2 The Ely to Cambridge Transport Study ..................................................................................................................................... 2 1.3 Waterbeach New Town .................................................................................................................................................................... 3 1.4 Progressing other findings of the Ely to Cambridge Transport Study .......................................................................... 4 1.5 Purpose of the Business Case........................................................................................................................................................ 5 1.6 Limitation Statement ....................................................................................................................................................................... 5 2. Strategic Case .................................................................................................................................................................. 6 2.1 Introduction ......................................................................................................................................................................................... 6 2.2 Business strategy of the promoter .............................................................................................................................................. 7 2.3 Existing situation ............................................................................................................................................................................. 11 2.4 Future Situation ............................................................................................................................................................................... 46 2.5 Need for Intervention .................................................................................................................................................................... 54 2.6 Scheme objectives and measures for success ..................................................................................................................... 58 2.7 Scheme scope .................................................................................................................................................................................. 62 2.8 Issues and Constraints .................................................................................................................................................................. 64 2.9 Interdependencies and Complementary schemes ............................................................................................................ 64 2.10 Stakeholder attitudes (including political support) .......................................................................................................... 66 2.11 Options ................................................................................................................................................................................................ 67 2.12 Strategic fit of shortlisted options............................................................................................................................................ 74 2.13 Strategic Risks for the shortlisted options ............................................................................................................................ 83 2.14 Conclusion ......................................................................................................................................................................................... 84 3. Economic Case ............................................................................................................................................................... 86 3.1 Background ....................................................................................................................................................................................... 86 3.2 Methodology .................................................................................................................................................................................... 87 3.3 Scheme Options appraised ......................................................................................................................................................... 91 3.4 Assumptions and inputs ............................................................................................................................................................... 91 3.5 Scheme cost for Economic Assessment ................................................................................................................................. 95 3.6 Assessment of Monetised Impacts .......................................................................................................................................... 99 3.7 Assessment of Non-Monetised Benefits ............................................................................................................................. 107 3.8 Appraisal Summary Tables ...................................................................................................................................................... 110 3.9 Assessment of Distributional Impacts ................................................................................................................................. 110 3.10 Assessment of Wider Economic Benefits ............................................................................................................................ 110 3.11 Sensitivity test results ................................................................................................................................................................ 111 3.12 Value for Money statement ..................................................................................................................................................... 112 3.13 Expected updates at Outline Business Case stage .......................................................................................................... 113 ii A10 Junctions and Dualling Strategic Outline Business Case 4. Financial Case ............................................................................................................................................................. 115 4.1 Background .................................................................................................................................................................................... 115 4.2 Scheme Capital Costs ................................................................................................................................................................. 115 4.3 Maintenance costs ....................................................................................................................................................................... 117 4.4 Funding options ........................................................................................................................................................................... 117 4.5 Expected updates at Outline Business Case Stage ........................................................................................................