Summary of the Dawlish Additional Line Study
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Appendix to the 20 year plan 21/11/2016 Page 0 Contents 1. Summary ....................................................................................................................................... 4 2. Introduction ................................................................................................................................. 6 2.1. Resilience ...................................................................................................................................... 8 2.2. Journey Times and wider connectivity ................................................................................13 2.2.1. Wider Connectivity .........................................................................................................14 2.3. Capacity and Comfort .............................................................................................................17 2.4. The Productivity Gap ...............................................................................................................19 3. What is required? .....................................................................................................................21 3.1. Resilience ....................................................................................................................................21 3.2. Journey Time Improvements and wider connectivity ......................................................26 3.2.1. Journey Time Improvements .........................................................................................26 3.2.2. Exeter to Waterloo .........................................................................................................30 3.3. Capacity and Comfort .............................................................................................................30 3.3.1. The Northern Route .......................................................................................................32 3.3.2. Wider Connectivity .........................................................................................................32 3.3.2.1. The South West to Bristol and the North ............................................................33 3.3.2.2. Bristol and Devon Metro ...........................................................................................34 3.3.2.3. South Wales and Westbury to the South Coast ..................................................34 3.4. The passenger experience ......................................................................................................36 3.4.1. Stations ...............................................................................................................................38 3.5. Electrification .............................................................................................................................39 3.6. Strategic outputs and outcomes required ..........................................................................41 3.6.1. Rail Industry and Local schemes ...................................................................................48 4. Making the case and the benefits ..........................................................................................45 4.1. Economic baseline ....................................................................................................................45 4.2. Economic benefits of journey time improvements ...........................................................45 4.2.1. London to Penzance economic benefits of reduced journey times ......................46 4.2.2. London Waterloo to Exeter economic benefits of reduced journey times .......48 21/11/2016 Page 1 4.2.3. Economic Impact of improving resilience by upgrading the route between Exeter, Yeovil Junction and Castle Cary .....................................................................................50 4.3. Business .......................................................................................................................................51 4.3.1. The importance of Rail to South West peninsula businesses? ...............................51 4.3.2. What connectivity is important for South West peninsula businesses? ..............52 4.3.3. Priorities for businesses? ................................................................................................52 4.3.4. Aspects of rail services? ..................................................................................................52 4.3.5. The impact of journey time reductions? .....................................................................53 4.4. Key Findings ...............................................................................................................................54 5. Funding ........................................................................................................................................55 6. Outputs from Studies ..............................................................................................................56 6.1. Resilience ....................................................................................................................................56 6.1.1. East of Exeter resilience .................................................................................................56 6.1.2. East of Exeter study Key Findings ................................................................................57 6.1.3. Dawlish Seawall and cliffs Resilience ............................................................................62 6.1.4. Dawlish seawall and Cliffs resilience study Key Findings ........................................64 6.2. Exeter to Castle Cary Diversionary route study ..............................................................65 6.2.1. Exeter to Castle Cary Diversionary study Key Findings .........................................66 6.3. Exeter to Waterloo .................................................................................................................69 6.4. Journey Times Improvements ................................................................................................73 6.5. Journey Time Improvements part 1- maximisation of the benefits from the AT300 trains (2018/2019) ............................................................................................................................74 6.5.1. Current and proposed journey times..........................................................................74 6.6. Journey Time Improvements part 2 – GRIP 2 study ........................................................74 6.6.1. The Study brief .................................................................................................................75 6.6.2. Outcomes from the study ..............................................................................................76 6.6.3. Translating the benefits into the timetable .................................................................77 6.6.4. Assumptions ......................................................................................................................78 6.6.5. Summary and next steps .................................................................................................78 6.6.6. Journey Time Improvements part 2 Key Findings ....................................................79 21/11/2016 Page 2 6.7. Journey Time Improvements part 3 – Options for closing the gap ..............................81 6.7.1. Rolling Stock ......................................................................................................................81 6.7.2. Harmonisation of stock to reduce dwell times .........................................................81 6.7.3. Calling Patterns .................................................................................................................81 6.7.4. Station Design ...................................................................................................................82 6.7.5. Timetabling ........................................................................................................................82 6.7.6. Infrastructure Interventions ...........................................................................................82 6.7.7. Costs ...................................................................................................................................83 6.8. Capacity and Comfort .............................................................................................................84 6.9. The Northern Route (Exeter to Plymouth via Okehampton) study ............................84 6.10. The Dawlish Additional Line Study ..............................................................................87 6.10.1. The Dawlish Additional Line Key Findings .................................................................89 7. Freight .........................................................................................................................................90 8. References ..................................................................................................................................91 21/11/2016 Page 3 1. Summary This appendix supports the 20 year Peninsula Rail Task Force (PRTF) plan ‘Close the gap’ and provides additional information to support the PRTF case for resilience, faster journeys and more capacity on our rail network within and to/from the South West peninsula. The South West peninsula