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MIRA TECHNOLOGY PARK Transport Assessment April 2011 MIRA TECHNOLOGY PARK Transport Assessment April 2011 ATC Ref: 10/014‐A Produced by Advance Transportation Consulting Sandy Farm Business Centre The Sands Farnham Surrey GU10 1PX Tel: 01252 782237 Email: [email protected] MIRA Technology Park Transport Assessment CONTENTS 1. INTRODUCTION & SCOPE OF DOCUMENT ................................................................................... 1 Overview ............................................................................................................................................. 1 Transportation Assessment Structure ................................................................................................ 3 2. POLICY CONTEXT ........................................................................................................................ 6 National Planning Policy ..................................................................................................................... 6 Local Plan/Local Development Framework ........................................................................................ 9 Local Transport Plan (LTP 3) .............................................................................................................. 11 3. SITE DESCRIPTION AND EXISTING TRAFFIC AND TRANSPORT CONDITIONS ................................ 14 Development Site Location and Description .................................................................................... 14 MIRA Development Site Access and Existing Traffic and Parking Conditions .................................. 16 Existing Traffic Conditions ‐ MIRA ..................................................................................................... 17 Distribution of MIRA vehicle trips ..................................................................................................... 18 Parking Conditions‐MIRA .................................................................................................................. 20 Basic Road Network Description and Conditions ............................................................................. 20 Existing Traffic Flows and Conditions – A5 (T) .................................................................................. 21 Personal Injury Accident Records (2005‐2010) ................................................................................. 22 Provision for Walk & Cycle Access .................................................................................................... 24 Public Transport ................................................................................................................................ 24 4. MASTERPLAN DEVELOPMENT AND ASSOCIATED MEASURES FOR CAR AND NON CAR MODES .. 27 Development Proposals .................................................................................................................... 27 MIRA Offsite and Onsite Access and Highway Works....................................................................... 28 Onsite circulation, access and parking provision .............................................................................. 29 Offsite Highway (A5) Improvement Measures ................................................................................. 31 Proposed MIRA Masterplan Access Measures ‐ Non Car modes ..................................................... 32 5. DEVELOPMENT RELATED TRAVEL DEMAND .............................................................................. 34 Traffic Generation‐Existing MIRA Uses ............................................................................................. 34 Proposed Development Traffic Generation ...................................................................................... 34 Distribution of MIRA Development trips ‐ A5 (T) and Wider Area ................................................... 37 TA Study Area Boundary Definition .................................................................................................. 38 MIRA Development Access Traffic Distribution ................................................................................ 39 6. OUTLINE OF THE APPROACH TO MODELLING FUTURE CONDITIONS FOR THE BASELINE AND WITH MIRA DEVELOPMENT (DO MINIMUM/DO SOMETHING) SCENARIOS ...................... 41 Background ....................................................................................................................................... 41 April 2011 MIRA Technology Park Transport Assessment Future Year Baseline Model .............................................................................................................. 43 Future Year MIRA Do Minimum(DM) Model .................................................................................... 43 MIRA Masterplan Traffic Generation: ............................................................................................... 43 Future Year MIRA Do Something (DS) Model ................................................................................... 47 Baseline Modelling Results and Analysis .......................................................................................... 48 Traffic Flows ...................................................................................................................................... 48 Junction Operation ........................................................................................................................... 50 Delays on Selected Routes within the modelled network. ............................................................... 50 Average peak network speeds (Baseline) ......................................................................................... 51 7. MIRA DO MINIMUM MODELLING RESULTS AND COMPARATIVE ANALYSIS WITH BASELINE RUNS ........................................................................................................................ 52 Summary of MIRA Do Minimum Modelling Results and comparison with the corresponding baseline model runs .......................................................................................................................... 53 Junction operation ............................................................................................................................ 54 Delays on Selected Routes (DM) ....................................................................................................... 61 Average Peak network speeds .......................................................................................................... 62 General Findings of the Comparative Do Minimum vs. Reference Modelling Exercise ................... 63 Development Traffic Impact –Junctions on the A5( T) To the West of The Model Boundary .......... 64 8. PROPOSED TRAFFIC MITIGATION MEASURES AND MIRA DO SOMETHING MODELLING RESULTS AND COMPARATIVE ANALYSIS WITH BASELINE RUNS ................................................ 65 Proposed Traffic Mitigation Measures ............................................................................................. 65 Redgate Junction‐A444/A5 (T) .......................................................................................................... 66 Wood Lane/A5 (T) ............................................................................................................................. 67 Higham Roundabout ......................................................................................................................... 68 A47 Long Shoot/A5T) Signalised Junction ......................................................................................... 69 Dodwells Roundabout ....................................................................................................................... 70 MIRA Do Something Modelling Results and Comparative Analysis ................................................. 71 Traffic Flows ...................................................................................................................................... 72 Junction operation ............................................................................................................................ 73 MIRA Site Access Capacities‐ARCADY/PICADY Assessments ............................................................ 75 Delays on Selected Routes (DS) ........................................................................................................ 79 Average Peak network speeds ‐ DS ................................................................................................... 80 General Findings of the Results ........................................................................................................ 80 Impact of Sustainable Transport Measures on MIRA Car based Demand ........................................ 81 MIRA Do Something Modelling Results with sustainable transport measures and Comparative Analysis ....................................................................................................................... 82 Junction operation and Queues ........................................................................................................ 83 Delays on Selected Routes (DS+PT) .................................................................................................. 88 Average Peak network speeds .......................................................................................................... 89 April 2011 MIRA Technology Park