Options Assessment Report Trowbridge Transport Strategy Development
Total Page:16
File Type:pdf, Size:1020Kb
Trowbridge Transport Strategy Development Options Assessment Report December 2011 Wiltshire Council Trowbridge296862 ITD Transport ITW 03 D P:\Southampton\ITW\Projects\296862 Trowbridge\wp\296862-003-D Trowbridge Options Assessment Report doc Strategy DevelopmentDecember 2011 Options Assessment Report December 2011 Wiltshire Council Sustainable Transport Department of Neighbourhood and Planning Shurnhold Offices Shurnhold Melkham Wiltshire SN12 8GQ Mott MacDonald, Stoneham Place, Stoneham Lane, Southampton SO50 9NW, United Kingdom T +44(0) 23 8062 8800 F +44(0) 23 8062 8801, W www.mottmac.com Trowbridge Transport Strategy Development Issue and revision record Revision Date Originator Checker Approver Description A October 2011 D Friel / S Finney S Finney N Richardson Draft B November 2011 D Friel S Finney N Richardson First Issue C November 2011 D Friel S Finney N Richardson Second Issue D December 2011 D Friel S Finney N Richardson Final Issue This document is issued for the party which commissioned it We accept no responsibility for the consequences of this and for specific purposes connected with the above-captioned document being relied upon by any other party, or being used project only. It should not be relied upon by any other party or for any other purpose, or containing any error or omission which used for any other purpose. is due to an error or omission in data supplied to us by other parties This document contains confidential information and proprietary intellectual property. It should not be shown to other parties without consent from us and from the party which commissioned it. Mott MacDonald, Stoneham Place, Stoneham Lane, Southampton SO50 9NW, United Kingdom T +44(0) 23 8062 8800 F +44(0) 23 8062 8801, W www.mottmac.com Trowbridge Transport Strategy Development Content Chapter Title Page 1. Introduction 1 2. Strategy Approach 2 3. Transport Patterns and Opportunities 3 3.1 Transport Patterns ___________________________________________________________________ 3 3.2 Transport Opportunities _______________________________________________________________ 5 3.3 Core Strategy Consultation ____________________________________________________________ 6 3.4 Transforming Trowbridge______________________________________________________________ 7 4. Committed Interventions 10 5. Intervention Measures 11 5.1 Walking __________________________________________________________________________ 11 5.2 Cycling ___________________________________________________________________________ 13 5.3 Public Transport____________________________________________________________________ 15 5.4 Smarter Choices ___________________________________________________________________ 19 5.5 Demand Management and Parking _____________________________________________________ 19 5.6 Traffic ____________________________________________________________________________ 21 6. Initial Sifting of Measures 25 7. Assessment of Potential Measures 29 7.1 Objectives Review __________________________________________________________________ 29 7.2 Measure Deliverability _______________________________________________________________ 32 8. Option Development 36 8.1 Strategy Option Components__________________________________________________________ 36 8.2 Traffic Modelling Review _____________________________________________________________ 38 8.3 Emissions to Air ____________________________________________________________________ 53 8.4 Strategy Objectives Review ___________________________________________________________ 55 Appendices 57 Appendix A. Transforming Trowbridge Principles ____________________________________________________ 58 Appendix B. Summary of Section 106 Agreements ___________________________________________________ 61 Appendix C. Ashton Park Access Proposals ________________________________________________________ 62 Appendix D. Model Results Output________________________________________________________________ 63 296862/ITD/ITW/03/D P:\Southampton\ITW\Projects\296862 Trowbridge\wp\296862-003-D Trowbridge Options Assessment Report.doc Trowbridge Transport Strategy Development Tables Table 3.1: Trowbridge Commuting Trends (Census Information 2001) ___________________________________ 4 Table 3.2: Trowbridge Transport Strengths and Weaknesses __________________________________________ 6 Table 3.3: Transforming Trowbridge – Transport Guiding Principles _____________________________________ 8 Table 4.1: Committed Interventions _____________________________________________________________ 10 Table 6.1: Review of Long List of Transport Strategy Measures _______________________________________ 26 Table 7.1: Measure Review Approach ___________________________________________________________ 30 Table 7.2: Measure Assessment table ___________________________________________________________ 31 Table 7.3: Scheme Constraint Assessment _______________________________________________________ 34 Table 8.1: Strategy Option Components__________________________________________________________ 37 Table 8.2: Scemario Cost Summary _____________________________________________________________ 38 Table 8.3: Transport Trip Generation in 2026 (development of 2650 dwellings, 60% private and 40% affordable) 39 Table 8.4: Reduced Car Transport Trip Generation in 2026 (development of 2650 dwellings, 60% private and 40% affordable) ________________________________________________________________________ 40 Table 8.5: Alternative Residential Trip Rates ______________________________________________________ 40 Table 8.6: Results with Development as Core Strategy Consultation Document (Scenario 1) ________________ 52 Table 8.7: Results with Reduced Employment Development (Scenario 2) _______________________________ 53 Table 8.8: Development Scenario 1: Change in Emissions Compared to the Reference Case________________ 54 Table 8.9: Development Scenario 2: Change in Emissions Compared to the Reference Case________________ 54 Table 8.10: Strategy Options Assessment _________________________________________________________ 56 Table A.1: Transforming Trowbridge Principles ____________________________________________________ 59 Figures Figure 2.1: Option Development and Assessment Approach ___________________________________________ 2 Figure 5.1: Walking routes through Biss Country Park _______________________________________________ 11 Figure 5.2: Stallard Street view (towards rail station)_________________________________________________ 12 Figure 5.3: Existing Rail Pedestrian Crossings _____________________________________________________ 13 Figure 5.4: Cyclist in vulnerable position __________________________________________________________ 14 Figure 5.5: Trowbridge Rail Station cycle parking ___________________________________________________ 14 Figure 5.6: Potential Bus Services _______________________________________________________________ 17 Figure 5.7: Trowbridge Rail Station view __________________________________________________________ 18 Figure 5.8: Trowbridge Town Centre bus interchange________________________________________________ 18 Figure 5.9: Trowbridge town centre view __________________________________________________________ 22 Figure 5.10: West Ashton traffic signals view _______________________________________________________ 23 Figure 7.1: Intervention Measures Location________________________________________________________ 32 Figure 8.1: Development Scenario 1 - Overall Average Journey Time in 2026_____________________________ 43 Figure 8.2: Development Scenario 1 - Overall Distance Travelled in 2026 ________________________________ 44 Figure 8.3: Development Scenario 1 - Modelled Journey Times and Delays – 2026 AM Peak ________________ 45 Figure 8.4: Development Scenario 1 - Modelled Journey Times and Delays – 2026 PM Peak ________________ 46 Figure 8.5: Journey Time Routes Map _____________________________________________________________ 47 Figure 8.6: Development Scenario 2 - Overall Average Journey Time in 2026_____________________________ 48 Figure 8.7: Development Scenario 2 - Overall Distance Travelled in 2026 ________________________________ 49 Figure 8.8: Development Scenario 2 - Modelled Journey Times and Delays – 2026 AM Peak ________________ 50 Figure 8.9: Development Scenario 2 - Modelled Journey Times and Delays – 2026 PM Peak ________________ 51 Figure C.1: Core Strategy Highway Options (PFA scenario) ___________________________________________ 62 Figure D.1: 2026 Do Nothing - Junction Capacity Summary AM Period __________________________________ 63 Figure D.2: 2026 Do Nothing - Junction Capacity Summary PM Period __________________________________ 64 Figure D.3: Development Scenario 1: 2026 Base No Improvements - Junction Capacity Summary AM Period ___ 65 296862/ITD/ITW/03/D P:\Southampton\ITW\Projects\296862 Trowbridge\wp\296862-003-D Trowbridge Options Assessment Report.doc Trowbridge Transport Strategy Development Figure D.4: Development Scenario 1: 2026 Base No Improvements - Junction Capacity Summary PM Period____ 66 Figure D.5: Development Scenario 1: Option 1 Alternative Modes - Junction Capacity Summary AM Period _____ 67 Figure D.6: Development Scenario 1: Option 1 Alternative Modes - Junction Capacity Summary PM Period _____ 68 Figure D.7: Development Scenario 1: Option 2 Balanced - Junction Capacity Summary AM Period ____________ 69 Figure D.8: Development Scenario 1: Option 2 Balanced - Junction Capacity Summary PM Period ____________ 70 Figure D.9: Development Scenario 1: Option 3 Highway Capacity - Junction Capacity