COUNTRYSIDE PROPERTIES (UK) LTD BOURN AIRFIELD CAMBRIDGESHIRE TRANSPORT ASSESSMENT – 2019 UPDATE DECEMBER 2019 COUNTRYSIDE PROPERTIES (UK) LTD NEW VILLAGE AT BOURN AIRFIELD CAMBRIDGESHIRE TRANSPORT ASSESSMENT – 2019 UPDATE DECEMBER 2019 Project Code: CPBOURNAIRFIELD.1 Prepared by: RG Approved by: IM Issue Date: December 2019 Status: FINAL Mayer Brown Limited, 10 Fitzroy Square, London W1T 5HP Telephone 0207 874 1588 [email protected] www.mayerbrown.co.uk Countryside Properties (UK) Ltd Bourn Airfield Cambridgeshire Transport Assessment – 2019 Update List of Contents Sections 1 Background ....................................................................................................................... 1 2 Description of the development ....................................................................................... 19 3 National, Regional and Local Transport Related Planning Policies .................................. 27 4 Highway Authority Recommendation for Cambourne West ............................................. 54 5 Existing Accessibility ....................................................................................................... 59 6 Transport Proposals Coming Forward ............................................................................. 68 7 Distribution and assignment of trips ................................................................................. 74 8 Trip Generation and Traffic Impacts ................................................................................ 78 9 Access for pedestrians and cycles .................................................................................. 98 10 Public transport accessibility ......................................................................................... 102 11 Access for all ................................................................................................................. 106 12 Proposed Mitigation ....................................................................................................... 107 13 Conclusions................................................................................................................... 116 Figures Figure 1.1: Site Location Plan ..................................................................................................... 2 Figure 2.1: Proposed Dedicated Strategic Public Transport Route through Bourn Airfield ........ 21 Figure 2.2: Proposed Eastern Access ...................................................................................... 22 Figure 2.3: Proposed Western Access ..................................................................................... 23 Figure 5.1: The local Highways Network .................................................................................. 60 Figure 5.2: Location of the junctions ......................................................................................... 61 Figure 5.3: Diagram shows accident statistics between 2012 and June 2017 ........................... 62 Figure 5.4: Existing Bus Stops and Routes (Source: Traveline) ................................................ 63 Figure 5.5: Rail Connections from St. Neots and Cambridge stations ....................................... 65 Figure 5.6: The site in relation to Local Amenities .................................................................... 66 Figure 6.1: The area of City Deal .............................................................................................. 69 Figure 6.2: Greater Cambridge Network 2017 .......................................................................... 71 Figure 6.3: The proposed options for a new bus route between Cambourne and Cambridge and potential location of the Park & Ride site. ................................................................................. 72 Figure 7.1: Cambourne Residential Survey ATC Locations ...................................................... 77 Figure 8.1: Junctions to be assessed ....................................................................................... 79 Figure 8.2: Example of queueing at M11/Madingley Road Junction ......................................... 81 Figure 8.3: Caxton Gibbet Roundabout (current layout)............................................................ 85 Figure 8.4: Cambourne Dumbbells ........................................................................................... 86 Figure 8.5: Cambourne West Proposed Improvement .............................................................. 87 Figure 8.6: Site Access West Junction ..................................................................................... 88 Figure 8.7: Site Access East..................................................................................................... 89 Figure 8.8: Madingley Mulch Roundabout ................................................................................ 90 Figure 8.9: Cambridge Crossroads ........................................................................................... 91 Figure 8.10: Cambridge Crossroads Proposed Cycle Improvements ........................................ 91 Figure 8.11: Madingley Road A1303 Corridor ........................................................................... 92 Figure 8.13: A428/ Scotland Road/St Neots Road .................................................................... 94 Figure 8.14: Broadway/St Neots Road Junction ....................................................................... 95 Figure 8.15: Junction by Junction Summary of Discussion with CCC ....................................... 97 Figure 9.1: Access and Movement Strategy ............................................................................. 98 Figure 9.2: Proposed Dedicated Strategic Public Transport Route through Bourn Airfield ........ 99 Figure 9.3: Potential cycle and pedestrian connections points and routes .............................. 100 Figure 9.4: Proposed Cambridge Crossroads Improvement ................................................... 101 Figure 10.1: Potential bus route for the Proposed Development ............................................. 102 Figure 12.1: Summary of Proposed Mitigation ........................................................................ 108 Figure 12.2: Example Travel Pack .......................................................................................... 109 Figure 12.3: Examples of Bus Marketing Information ............................................................. 110 Figure 12.4: Beaulieu Park Monitoring Plan ............................................................................ 114 Figure 12.5: Proposed Monitoring Surveys ............................................................................. 115 Tables Table 1.1: CCC Transport Assessment Guidelines ..................................................................... 6 Table 1.2: CCC and HE Transport Assessment Responses ..................................................... 14 Table 2.1: Planning History ...................................................................................................... 25 Table 3.1: Infrastructure Delivery Plan for Transport Related Infrastructure .............................. 53 Table 5.1: Number of accidents between 2012 and June 2017 by the junctions ....................... 62 Table 5.2: Bus Services Frequencies (Source: Traveline) ........................................................ 64 Table 5.3: Journey information from Cambridge and St. Neots Station to London (source: www.thetrainline.com) .............................................................................................................. 65 Table 6.1: Investment programme in Tranche 1 schemes ........................................................ 70 Table 7.1: Development Uses Assessed .................................................................................. 74 Table 7.2: Residential Development Person Trips by Mode ..................................................... 76 Table 7.3: Predicted Bourn Airfield Trips .................................................................................. 76 Table 7.4: Comparison of Average Trip Rates Observed in the March 2016 and October/November 2019 Surveys within the Cambourne Development ................................... 77 Table 8.1: Summary of Junctions and Method of Assessment.................................................. 79 Table 8.2: Peak Hours by Junctions ......................................................................................... 80 Table 8.3: Adjustments to Flows for Bourn Airfield Development Mitigation Tests .................... 84 Table 8.4: Adjustments to Flows for Cambourne West Development Mitigation Tests .............. 84 Table 8.5: Adjustment to Growth for Development Mitigation ................................................... 84 Table 8.6: Table 2.8 Appendix O, Cambourne West Assessment ............................................ 90 Table 8.7: Side Road Flows at the Cambridge Crossroads ...................................................... 92 Table 8.8: Summary of Results ................................................................................................ 96 Table 10.1: Year 1 Trip Rates ................................................................................................. 104 Table 10.2: Year 2 Trip Rates ................................................................................................. 104 Appendices APPENDIX