​Countywide traffic modelling

Please see below for various reports and information
  • Countywide Local Plan Transport Modelling - Phase 3 Technical Note (August 2017)
    Phase three of the modelling support work produces a revised local plan development scenario to replace DS scenarios from phase two. In addition a set of mitigation schemes are tested in order to try and mitigate any impacts arising from the local plan development in terms of increased congestion and travel time. Whilst The main objective of this work is on mitigating highway impacts arising from the local plan developments within Buckinghamshire. This study does not supersede or replace any detailed modelling work that has been done or will be required in future in assessment of the impacts of individual developments. The purpose of this note is only to assess cumulative impacts of development and identify areas where these could be considered significant in terms of travel time changes.
  • Countryside Local Plan Modelling (March 2017) (appendices below)
    Consultants (Jacobs) were commissioned to assess the transport impact of the emerging local plan proposals for the districts within Buckinghamshire, comprising Aylesbury Vale, Chiltern, South Bucks and Wycombe.  This report covers the second phase of the work has primarily focussed on identifying improvements to the transport network which may be required in order to mitigate the impacts identified as part of the phase one work, and assessing the extent to which those improvements mitigated the impacts. Three forecast scenarios were developed during the first phase of the Countywide Local Plan modelling support in cooperation with BCC and the districts. These comprised of a 2033 DM scenario which included the projected planning completions to 2033 across Buckinghamshire, as well as committed development (some of which may form part of the local plan proposals), and two DS scenarios which included DM development plus additional non-committed local plan developments across the county. Both DS scenarios included the same mix of local plan development but the location of a new settlement near Haddenham, included in the DS1 scenario, was instead assumed to occur at Winslow in the DS2 scenario. The DM development scenario remains unchanged for the second phase of work, but the DS scenarios have been updated to reflect changes in the preferred options of the local plans; further detail of the forecast scenarios are provided in Table 3-A in section 3 of the following report.

    Appendix A (Plots)
  • Amersham and Aylesbury
  • Beaconsfiled and Bourne End
  • Buckingham and Burnham
  • Chesham and Denham
  • Gerrards Cross and Great Missenden
  • Haddenham and High Wycombe
  • Iver and Little Chalfont
  • Marlow and Milton Keynes
  • Princes Risborough and Wendover
  • Winslow

    Appendix B
  • Change travel time DM and DS2
  • Change travel time DS1 and DS2
  • Congestion ratio DM1 - Part 1
  • Congestion ratio DM1 - Part 2
  • Congestion ratio DS2 - Part 1
  • Congestion ratio DS2 - Part 2

Assessment of Reasonable Alternatives

Water Cycle Study 2017

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