West Sussex Permit Scheme – Cost Benefit Analysis Insert Cover DRAFT COST BENEFIT ANALYSIS © West Sussex Council Page 1 of 87 West Sussex Permit Scheme – Cost Benefit Analysis Document Information Date: September 2014 Project Name: West Sussex Permit Scheme (WSPS) Service Area: West Sussex County Council Highway Network Directorate: Highways anD Transport Authors: RicharD Pelham, Technical Consultant Jason SetforD-Smith, Scheme Consultant Project Lead: SRO: Version: © West Sussex Council Page 2 of 87 West Sussex Permit Scheme – Cost Benefit Analysis Contents 1 EXECUTIVE SUMMARY .................................................................................................................... 4 2 INTRODUCTION ................................................................................................................................ 5 2.1 Permit Scheme objectives ........................................................................................................... 5 2.2 Scope of work ............................................................................................................................... 5 2.3 Report Structure ........................................................................................................................... 5 3 ANALYSIS AND CONTEXT .............................................................................................................. 6 3.1 Introduction ................................................................................................................................... 6 3.2 Legislative context ....................................................................................................................... 6 3.3 Traffic Management Act 2004 ...................................................................................................... 6 3.4 WebTAG ......................................................................................................................................... 6 3.5 Research ........................................................................................................................................ 6 3.6 Halcrow Study ............................................................................................................................... 6 3.7 Implications for West Sussex Permit Scheme ........................................................................... 7 4 INPUT DATA ...................................................................................................................................... 7 4.1 Introduction ................................................................................................................................... 7 4.2 Cost Benefit Assumption ............................................................................................................. 8 4.3 Data sources ................................................................................................................................. 8 4.4 Discount and Risk Factors .......................................................................................................... 8 4.5 Model Variable specification ....................................................................................................... 9 4.6 Statutory information associated with Permit Schemes .......................................................... 9 4.7 West Sussex County Council data .............................................................................................. 9 4.8 Policy data ................................................................................................................................... 10 4.9 Road works Data ......................................................................................................................... 10 4.10 DfT data ....................................................................................................................................... 10 4.11 Works Data .................................................................................................................................. 10 4.12 Traffic Data .................................................................................................................................. 12 5 DELAY MODELLING ....................................................................................................................... 32 5.1 Delay Modelling Methodology ................................................................................................... 32 5.2 The valuation of costs in quadro .............................................................................................. 32 5.3 DELAY MODELLING IN QUADRO ............................................................................................. 41 5.4 TRAFFIC input ............................................................................................................................. 42 5.5 Site specific quadro input data ................................................................................................. 47 5.6 Monetized Costs and Benefits ................................................................................................... 48 6 PERMIT SCHEME OPERATION ..................................................................................................... 51 6.1 Introduction ................................................................................................................................. 51 6.2 Fees Matrix .................................................................................................................................. 51 6.3 Scheme Costs ............................................................................................................................. 52 7 FINANCIAL CALCULATIONS ......................................................................................................... 56 7.1 Introduction ................................................................................................................................. 56 7.2 Public Accounts - Local Government Funding ........................................................................ 56 7.3 Public Accounts - Central Government Funding ..................................................................... 70 7.4 Transport Economic Efficiency ................................................................................................. 70 8 STATUTORY OUTPUTS ................................................................................................................. 71 8.1 Introduction ................................................................................................................................. 71 8.2 Transport Economic Efficiency (TEE) ...................................................................................... 71 8.3 Public Accounts .......................................................................................................................... 71 8.4 Cost Benefit Analysis ................................................................................................................. 71 8.5 Statutory Cost Benefit Analysis ................................................................................................ 71 9 WEST SUSSEX PERMIT SCHEME CBA RESULTS ...................................................................... 84 9.1 Introduction ................................................................................................................................. 84 9.2 West Sussex Highway Authority Cost Benefit Analysis ......................................................... 84 9.3 Sensitivity Analysis .................................................................................................................... 85 10 APPENDIX A .................................................................................................................................... 87 11 APPENDIX B .................................................................................................................................... 87 12 APPENDIX C .................................................................................................................................... 87 © West Sussex Council Page 3 of 87 West Sussex Permit Scheme – Cost Benefit Analysis 1 EXECUTIVE SUMMARY West Sussex County Council is a maJor investor of public resources anD as such, shoulD ensure that new developments make a positive contribution to the local economy and society. Any new proposal shoulD always answer these two basic questions: • What are the specific outcomes sought? • Will these outcomes Deliver a positive benefit to the local economy anD society? Cost Benefit Analysis (CBA) is a Decision-making tool that helps proviDe assurance arounD these questions by quantifying all costs and benefits in monetary terms. West Sussex County Council’s Highways Team has been working on just such a new development anD this CBA supports its introDuction by demonstrating the positive financial outcome delivering its objectives will provide. Minimising congestion is a key transport challenge for any Council anD especially for a busy County like West Sussex. The ability of people anD goods to move freely around the County, meeting the neeDs of business, accessing essential services and for social and leisure purposes DepenDs largely on the County’s roaD network operating effectively. The proposeD West Sussex Permit Scheme tackles heaD-on one the major causes of congestion,