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  • Bexhill Hastings Link Road Best and Final Funding Bid Assignment Model Validation Report

    Bexhill Hastings Link Road

    Best and Final Funding Bid

    Assignment Model Validation Report

    East Sussex County Council County Hall St Anne's Crescent Lewes East Sussex

  • Bexhill Hastings Link Road Best and Final Funding Bid Assignment Model Validation Report

    Bexhill Hastings Link Road

    Best and Final Funding Bid

    Assignment Model Validation Report

    Issue and Revision Record Rev Date Originator Checker Approver Description

    A March 2009 N Gordon/P Shears I Johnston I Johnston For Issue

    B July 2011 N Gordon

    I Johnston I Johnston Issued for comments

    C August2011 N Gordon

    I Johnston I Johnston For Issue

  • Bexhill Hastings Link Road Best and Final Funding Bid Assignment Model Report

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    List of Contents Page

    Chapters and Appendices

    1 Introduction...............................................................................................................1

    2 SATURN Model Description .....................................................................................2

    2.1 Introduction...............................................................................................................2

    2.2 Network Description..................................................................................................2

    2.3 Zoning System..........................................................................................................4

    3 SATURN Matrices ..................................................................................................11

    3.1 Roadside Interview Surveys ...................................................................................11

    3.2 Observed Matrix Building........................................................................................11

    3.3 Prior Matrix .............................................................................................................13

    3.4 Matrix Estimation ....................................................................................................14

    4 SATURN Model Assignment...................................................................................22

    4.1 Assignment.............................................................................................................22

    4.2 Network calibration and model convergence ..........................................................22

    5 SATURN Model Validation......................................................................................24

    5.1 Validation Criteria ...................................................................................................24

    5.2 Calibration Results .................................................................................................24

    5.3 Flow Validation .......................................................................................................25

    5.4 Journey Time Validation .........................................................................................32

    5.5 Additional Journey Time Validation.........................................................................39

    5.6 Internal Trip Distribution..........................................................................................41

    6 Public Transport Model...........................................................................................46

    6.1 Model Network........................................................................................................46

    6.2 Matrices..................................................................................................................48

    6.3 Bus Fares ...............................................................................................................53

    6.4 Rail validation .........................................................................................................54

    6.5 Bus validation .........................................................................................................55

    7 Present Year Validation ..........................................................................................57

    7.2 2011 Reference Highway Matrix Totals ..................................................................59

    7.3 2011 Reference public transport matrices...............................................................60

    7.4 2011 Present Year Highway Validation...................................................................62

  • Bexhill Hastings Link Road Best and Final Funding Bid Assignment Model Validation Report

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    7.5 A271 Flow Adjustment............................................................................................65

    7.6 Journey Time Validation .........................................................................................73

    8 Conclusion..............................................................................................................79

    List of Figures

    Figure 2-1: Glyne Gap September 2004 ATC daily profile ......................................................2 Figure 2-2: Model Network Area.............................................................................................5 Figure 2-3: Speed Flow Curves ..............................................................................................6 Figure 2-4: Local Zoning System - Bexhill ..............................................................................7 Figure 2-5: Local Zoning System – Hastings ..........................................................................8 Figure 2-6: External Zoning System .......................................................................................9 Figure 2-7: Zoning System UK .............................................................................................10 Figure 3-1: Roadside Interview Locations.............................................................................18 Figure 3-2: Sectors in the Study Area...................................................................................19 Figure 3-3: AM Trip Length Distribution ................................................................................20 Figure 3-4: IP Trip Length Distribution..................................................................................20 Figure 3-5: PM Trip Length Distribution ................................................................................21 Figure 5-1: AM Flow Validation Screenlines .........................................................................35 Figure 5-2: IP Flow Validation Screenlines ...........................................................................36 Figure 5-3: PM Flow Validation Screenlines .........................................................................37 Figure 5-4: Journey Time Survey Routes .............................................................................38 Figure 5-5: Baldslow Journey Time Routes ..........................................................................40 Figure 5-6: Bexhill Ward Subsets .........................................................................................44 Figure 5-7: Hastings Ward Subsets......................................................................................45 Figure 6-1: Local Bus Routes ...............................................................................................47 Figure 7-1: AM Peak Modelled Flows (total vehs (hgv%)) ....................................................69 Figure 7-2: Interpeak Modelled Flows (total vehs (hgv%)) ....................................................70 Figure 7-3: PM Peak Modelled Flows (total vehs (hgv%)) ....................................................71 Figure 7-1: Journey Time Survey Routes .............................................................................74

    List of Tables

    Table 2.1: Speed Flow Curve Data.........................................................................................3 Table 3.1: RSI Sample Rates ...............................................................................................11 Table 3.2: Roadside Interview Survey Factors .....................................................................12 Table 3.3: RSI Matrix User Class Split..................................................................................13 Table 3.4: Matrix Data by Sector ..........................................................................................14 Table 3.5: Pre Matrix Estimation Trips..................................................................................15 Table 3.6: Post Matrix Estimation Trips ................................................................................16 Table 4.1: Generalised Cost Parameters..............................................................................22 Table 4.2: Convergence Parameters....................................................................................23 Table 4.3: Achieved Convergence........................................................................................23 Table 5.1: Assignment Validation - Acceptability Guidelines.................................................24 Table 5.2: Flow Calibration Results (Counts used for Matrix Estimation)..............................25 Table 5.3: AM Peak RSI Flow Calibration.............................................................................26 Table 5.4: Inter Peak RSI Flow Calibration........................................................................