Transport Assessment

Transport Assessment December 2016 TTP Consulting Contents 1 INTRODUCTION .................................................................................................. 1 2 POLICY ................................................................................................................ 3 3 BASELINE CONDITIONS ..................................................................................... 8 The Site ............................................................................................................... 8 The Surrounding Area ......................................................................................... 9 Local Road Network ............................................................................................ 9 Accessibility by Non-Motorised Modes ............................................................. 12 4 PROPOSED DEVELOPMENT ............................................................................... 16 Parking .............................................................................................................. 16 Access ............................................................................................................... 17 Servicing ........................................................................................................... 17 5 TRIP ATTRACTION ............................................................................................ 19 B8 Self Storage Use .......................................................................................... 19 C3 Residential ................................................................................................... 19 B1 Office............................................................................................................ 21 Proposed Total Person Trips ............................................................................. 22 6 EFFECT OF DEVELOPMENT ................................................................................ 23 Traffic Distribution ............................................................................................ 23 7 TRAVEL PLANS .................................................................................................. 28 8 SUMMARY AND CONCLUSION .......................................................................... 29 Figures Figure 1.1 - Site Location Plan Figure 3.2 - AM Peak Hour Traffic Flows Figure 3.3 - PM Peak Hour Traffic Flows Figure 6.1 – Self Storage Traffic Distribution Figure 6.2 – AM Peak Residential Traffic Distribution Figure 6.3 – PM Peak Residential Traffic Distribution Figure 6.4 – AM Peak Self Storage Traffic Figure 6.5 – PM Peak Self Storage Traffic Figure 6.6 – AM Peak Residential Traffic Figure 6.7 – PM Peak Residential Traffic Figure 6.8 – AM Total Development Traffic Figure 6.9 – PM Total Development Traffic Figure 6.10 – AM Baseline Traffic Figure 6.11 – PM Baseline Traffic i Figure 6.12 – AM Baseline with Development Traffic Figure 6.13 – PM Baseline with Development Traffic Appendices Appendix A – Northumberland Avenue Existing and Proposed Highway Arrangement Appendix B - TfL Pre-Application Advice Response Appendix C – Great West Road/Syon Lane Traffic Survey Appendix D – Northumberland Avenue/Syon Lane Traffic Survey Appendix E - Parking Survey Appendix F – Controlled Parking Zone Extension Plan Appendix G - Personal Injury Data Appendix H – PTAL Report Appendix I – TfL Bus Spider Map Appendix J – CERS Audit Appendix K – PERS Audit Appendix L – Cycle Parking Plans Appendix M – Proposed Cycle Lane Arrangement Appendix N – Proposed Yellow Box Markings Appendix O – Swept Path Analysis Appendix P- TRAVL Output – Safestore Appendix Q – TRICS Output – Residential Appendix R – TRICS Output – Office Appendix S – Junctions 9 Modelling Results Appendix T – Road Safety Audit Appendix U – Car Club Proposal ii 1 INTRODUCTION 1.1 TTP Consulting is retained to provide highway and transport advice in relation to the proposed redevelopment of the site at 871 Great West Road (Gillette South). The site lies within the London Borough of Hounslow to the north west of Syon Lane Station. A site location plan is provided at Figure 1.1. 1.2 The application site is located to the south west of the junction of the A4 Great West Road with Syon Lane, approximately 200 metres north west of Syon Lane train station. The site is bound to the east by Syon Lane, to the north by Great West Road, to the south by Northumberland Avenue and to the west by an adjacent employment site. 1.3 The site previously contained two office buildings, a petrol filling station and a garage, but is clear at present following demolition of the buildings. Planning permission was granted in 2008 for the redevelopment of the site to provide 10,678 square metres (sqm) GEA of B8 Self Storage space served by 12 car parking spaces and 4 cycle parking spaces (Application Ref. 00505/AF/P23). This permission has now expired. 1.4 A planning application was submitted in December 2015 for a self-storage facility comprising 8,838 square metres floor space, 240 square metres office space, a retail of 108 square metres and 93 residential units. The proposals included 40 car parking spaces at basement level and a further 14 car parking spaces at ground floor level. The application was withdrawn earlier this year. 1.5 In addition, a planning application was approved in December of this year for the temporary use of the site as car park until September 2017. The proposals would result in the site providing 130 parking spaces for use by employees of the Osterley Sky Campus. This application has yet to be determined. 1.6 The proposed development seeks to provide 7,863sqm GEA of self-storage space, 783sqm GEA of serviced office space and 102 residential units. The site would be managed and operated by Access Self Storage, including the residential units, which would be available for private rent under a private rented sector scheme (PRS). The development proposals will provide 42 residential, 2 visitor and 9 commercial parking/unloading spaces as well as a space for a car club vehicle. The proposals also provide cycle and motorcycle parking. 1.7 Vehicular access for both the residential and commercial elements of the scheme will be taken from Northumberland Avenue. The existing and proposed highways arrangement on Northumberland Avenue can be seen on plans in Appendix A. Transport Assessment: 871 Great West Road (Gillette South), London Borough of Hounslow 1 \\TTPCSERVER\Projects\2016\2913 - Gillette Corner\Outgoing\For Planning\R01-EC-TS (161214).docx December 2016 1.8 Pre-application advice has been sought from Transport for London (TfL) and is Appendix B. This report has been prepared, having regard to TfL’s advice, to accompany the planning application and considers the transport and highway implications of the proposals. 1.9 The Remainder of the report is structured as follows: • Section 2 – outlines relevant policy and guidance at a national, regional and local level; • Section 3 – provides a description of the application site in relation to the immediate area and considers on the surrounding transport and highway networks; • Section 4 – provides further detail of the proposals; • Section 5 – provides a multi-modal trip assessment of the development proposals; • Section 6 – considers the transport effect of the development; • Section 7 – outlines the proposed Residential and Workplace Travel Plans; and, • Section 8 – sets out a summary and conclusion. Transport Assessment: 871 Great West Road (Gillette South), London Borough of Hounslow 2 \\TTPCSERVER\Projects\2016\2913 - Gillette Corner\Outgoing\For Planning\R01-EC-TS (161214).docx December 2016 2 POLICY Introduction 2.1 This section of summarises the relevant transport policies against which the redevelopment proposals will be considered. These include national, regional and local policy guidance, with the main focus being on the following documents: • National Planning Policy Framework (March 2012); • The London Plan (March 2016), consolidated with changes since 2011; and • Hounslow Local Plan (September 2015). 2.2 These documents follow the core principles of promoting sustainable development and reducing the need to travel by private car. National Planning Policy Framework 2.3 The National Planning Policy Framework (NPPF) was published in March 2012 and sets out the Government’s planning policies for England and how these are expected to be applied. 2.4 In relation to transport, NPPF states that: “The transport system needs to be balanced in favour of sustainable transport modes, giving people a real choice about how they travel. However, the Government recognises that different policies and measures will be required in different communities and opportunities to maximise sustainable transport solutions will vary from urban to rural areas”. 2.5 When considering the transport effects of a development, NPPF states that: 2.6 “All developments that generate significant amounts of movement should be supported by a Transport Statement or Transport Assessment. Plans and decisions should take account of whether: • the opportunities for sustainable transport modes have been taken up depending on the nature and location of the site, to reduce the need for major transport infrastructure; • safe and suitable access to the site can be achieved for all people; and • improvements can be undertaken within the transport network that cost effectively limit the significant impacts of the development. Development should only be

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