Update - March 2014

Wimbledon Area Traffic Scheme

 

Update - June 2012

Belvedere Area - Experimental Traffic Management Scheme

Burghley Road Area - Traffic Calming Scheme

 

Update – Street Managements Advisory Committee meeting 9 June 2011

Officers developed a set of traffic management proposals which in their view had the potential to:

  • Return excessive through traffic using residential roads, to the main road network.
  • Reduce excessive and inappropriate traffic speeds in residential roads, in particular Burghley and Somerset Roads.
  • Promote the principle that through-traffic is carried on designated local distributor roads and main roads, rather than residential roads.

Officers put forward a report to the Committee members to recommend to the Cabinet Member to proceed with an informal consultation with residents/ businesses and other interest Groups on the latest set of proposals.

Within the report, Officers advised that if the consultation was allowed to proceed in June/July 2011 the Council would be in a position to report results to the next Street Management Advisory Committee in September 2011. Dependent on the results of the consultation, Officers may then request a decision from the Cabinet Member to proceed with an experimental scheme to be trialled in the areas of concern.

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Update – Street Managements Advisory Committee meeting 10 February 2011

The Cabinet Member for Environmental Sustainability and Regeneration and Officers have since July 2010 met a number of Residents' groups to understand their concerns with regards to traffic problems in the Wimbledon area. Following these meetings officers were tasked with developing proposals to achieve the following main objectives:

  • To manage excessive or inappropriate traffic speeds in Burghley Road.
  • To return through traffic using residential roads, particularly Belvedere Grove and Allan Road, to the main road network.

At the time of the 'Street Management Advisory Committee' meeting of 10 February 2011, Officers put forward a report which in their view would achieve the first of the above 2 objectives. Proposals to achieve the second objective were still being worked up and therefore not quite ready to be presented to this meeting.

Following debate at the meeting, the Cabinet Member adjourned any decisions in relation to traffic calming measures for Burghley Road to such time as area wide measures could be determined to deal with through traffic as well as speeding issues.

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Update – Outcome of the Overview and Scrutiny panel meeting

The meeting took place on 7 July 2010 and heard evidence from the former Cabinet Member William Brierly together with that from Council officers.
The Scrutiny Panel resolved that the decisions taken in respect of the Wimbledon Area Traffic Study are referred to the Cabinet Member for Environmental Sustainability and Regeneration for reconsideration.

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Update – Statutory Consultation Officer Report & Cabinet Member Decision - 30 June 2010

As residents will know, the Statutory Consultation for the Wimbledon Area Traffic Study was concluded on 12 March 2010. A detailed Officer report was produced and forwarded to the Cabinet Member for consideration of the consultation responses before making his decision.

The Officer report and Cabinet Member decision (passed on 6th May 2010) can be accessed from the links given below.

In accordance with the Council's democratic process, If three (non-executive) Councillors feel that a decision made by the Cabinet is inappropriate they can 'call the decision in' after it has been made to prevent the decision taking immediate effect. An Overview and Scrutiny Panel will then hear those who called in the decision as well as the Cabinet Member and subsequently make further recommendations to the Cabinet Member which may alter the decisions already made.

The Wimbledon Area Traffic Study has been 'called in' and so will be subject to the above procedure. The Sustainable Communities Overview and Scrutiny Panel meeting scheduled for the hearing is 7th July 2010. This may lead to a revised decision on the scheme following which a further update will be provided. The Council will also write to residents who were consulted on the scheme earlier once the final decision is known.

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Update - Statutory Consultation - 18 February 2010

Following the option 8 Informal Consultation undertaken during August 2009 and the Cabinet Members decision to proceed with a Statutory Consultation, the Council has now initiated the process. Residents and Businesses within the affected area received consultation material. The material can also be accessed by using the links provided below within this update.

Procedure for making representations

Representations for or against any of the proposals or parts of it must be submitted in writing to the Environment and Regeneration Department, Merton Civic Centre, London Road, Morden, Surrey, SM4 5DX by no later than 12 March 2010, quoting the appropriate reference number/s in your response letter for the particular aspect/s of your objections as detailed below:

  • For representations regarding the proposal to amend/ remove/ introduce parking arrangements in any of the roads affected, please quote reference ES/SGE/WATS/PA.
  • For representations regarding the proposal to implement vertical deflections (speed cushions, speed tables, raised entry treatment, junction table) in the carriageway, in any of the roads affected, please quote reference ES/SGE/WATS/TC.
  • For representations regarding the proposal to amend the current 7.5 tonne lorry ban, please quote reference ES/SGE/WATS/LB.
  • For representations regarding the proposal to introduce a maximum speed limit of 20mph please quote reference ES/SGE/WATS/20.
  • For representations regarding the proposal to amend / introduce Waiting and Loading restrictions, in any of the roads affected, please quote reference ES/SGE/WATS/WL.

Anyone who opposes any part/s of the proposals must state the reason/s upon which their objection is made together with the appropriate reference number. It should be noted that if you wish to make a representation to only a particular part of the proposal, for example a parking change in Burghley Road, you must specify which parking change your objection relates to, together with your reasons. Similarly if your objection relates to a proposed vertical deflection in a particular location, you must clearly state the location together with your reasons. We also welcome letters in support for the proposals. The Council is required to give weight to the nature and content of your representations and not necessarily the quantity, therefore your reasons are very important to us.

Please note that responses to any representation received will not be made until a final decision is made by the Cabinet Member for Planning and Traffic Management.
A copy of the draft Traffic Management Order, Notices and large scaled plans of the proposals and the Council's 'Statement of Reason for s' can be inspected at Merton Link, Merton Civic Centre, London Road, Morden, Surrey during the Council's working hours, Monday to Friday, between 9am and 5pm. The documents can also be inspected at Wimbledon Library during opening hours.

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Consultation drawings

Update - 09 December 2009

Further to information provided to residents at the informal consultation stage in August 2009, the council has collected traffic information for roads in and around Wimbledon. Provided below are links to a drawing identifying sites of the surveys and a summary of the information collected. Due to the large volume of information collected it is not feasible to post all of it on the webpage, however for anyone interested in seeing the detailed breakdown for any of the sites, you may request this.

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Update - Committee - 05 October 2009

Following the informal consultation carried out in August 2009 and the responses received, a report was presented to the Street Management Advisory Committee in its meeting on 30 September 2009.

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Update - Informal Consultation, 5 August 2009

The council is undertaking an informal consultation to get the views of local residents/businesses in the Wimbledon Area regarding various traffic management proposals to relieve traffic problems in the area.

If you fall within the consultation area, you will have recently received a consultation package, seeking your views. The consultation package contains a brief description of the proposals and advises recipients that additional information is available from this webpage. This additional information can be accessed from the links below.

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Let us know your views

This informal consultation is open to those residents/businesses within the consultation area only.

The consultation period for this scheme closed at 12 noon on 14 September 2009.
The decision on the implementation of each aspect of the scheme is subject to the responses received during this consultation.

We regret that due to the large number of responses received during a public consultation it will not be possible to individually reply to each respondent. We welcome your comments on this proposal, which will be noted and included within the proposed measures where appropriate.

Exhibition Invite

There will be an exhibition, where detailed plans of the proposals will be displayed and you will have the opportunity to speak to the project officer.
The exhibition will be held in Wimbledon Library on 15 August 2009 from 9.30am to 4.30pm.

Update - 1 July 2009

Comments received from the informal consultation carried out during March/April were reported to the Cabinet Member for Planning & Traffic Management prior to the Street Management Advisory Committee (SMAC) meeting on 10 June 2009. As the informal consultation had clearly rejected the Option 7 proposals, a new set of measures (Option 8) were immediately investigated during April/May 2009. Details of the new work (Option 8) were reported to the 10 June Street Management Advisory Committee meeting. The Committee made a recommendation that the new Option 8 proposals should also be consulted and results reported to the following Street Management Advisory Committee meeting before any key decisions are taken on whether or not to proceed with implementation.
Linked below is the 10 June 2009 Committee report.

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Update - 5 March 2009

At the Street Management Advisory Committee (SMAC) meeting, held on 3 March 2009, it was agreed that residents should be given additional time to consider the options contained within the report and for respondents to provide a 2 page summary statement to; trafficandhighwaysenquiries@merton.gov.uk with a reference WATS/REF 03/03/09 in the subject line.

The closing date for submissions is 17 April 2009.

The summary should outline any support, concerns and alternative suggestions, but please note that funding for further modelling will probably not be available.
Please include your name, street address [but not your house number] and Association, if any in the heading. Submissions will be acknowledged, but officers will compile the responses and will NOT provide any replies.

All comments received will be considered and reported to the next SMAC committee.

Update - 20 February 2009

All work carried out on this study since April 2008 is given in the committee report (linked below), which is to be presented at the Street Management Advisory Committee meeting on 3 March 2009. The report makes recommendations and seeks approval from the Cabinet Member for Planning & Traffic Management to remove the Wimbledon Hill Bus Lane and also implement an experimental traffic management scheme within Wimbledon Village and Hillside Wards .

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Update - 10 June 2008

A report detailing an overview of the progress made on the 'Wimbledon Area Traffic Study' is to be submitted to the Street Management Advisory Committee in its meeting on 17 June 2008.

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Update - 31 January 2008

A report was submitted to the Street Management Advisory Committee in its meeting on 15 January 2008.

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Update 15 January 2008

The VISUM model has been slightly adjusted in order to improve the accuracy in the Mansel Road area. The adjustment did not have any major impact on the rest of the model with only minor changes to some other links in the network. The results have been put into the validation spreadsheets again and both AM and PM model still meets the DMRB criteria where over 85% of links have a GEH value of below 5. The 3-hours link flow diagrams have been revised accordingly.

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Update 8 January 2008

Update 11 December 2007

Traffic survey results - August 2007

There will be an exhibition of the validated Traffic Model and related data for the Wimbledon area, based on the current traffic flows, at the Civic Centre between the 16 and 27 of July 2007. This exhibition will not be manned and will be set up in front foyer area opposite the entrance to the Library.
The purpose of the exhibition is to allow residents to view the validated Traffic Model.
The information that is to be displayed at the exhibition is set out below.

Background

  • In January 2006 JMP Consulting was commissioned by the London Borough of Merton to develop VISUM / VISSIM integrated transport models for the Wimbledon Area.
  • The scope was to develop models capable of assessing future traffic management proposals in Wimbledon Area.
  • Surveys were commissioned in March 2006 to integrate earlier survey data collected in 2004.
  • AM and PM weekday peak VISUM and VISSIM models were developed between April 2006 and February 2007.

VISUM - determines the impacts of existing or planned transport supply on transport networks.

  • It can include both public and private transport networks.
  • The transport planner is supported in analysing the transport demand in the existing network and in evaluating the impact of future modifications to the network.
  • Future year transport demand forecasts can be carried out within VISUM.

VISSIM - is a microscopic simulation program developed to model urban traffic and public transport operations.

  • The program can analyse traffic operations under constraints such as: lane configuration, traffic composition, traffic signals, public transport stops, etc., thus
  • It is a useful tool for the representation of current network operations and evaluation of transportation engineering and planning measures of effectiveness.
  • VISSIM can be applied in a wide range of transportation studies.

Matrix Development

Matrix Development or Estimation is the process by which the initial Origin Destination matrix is refined within the model; this is done through an iterative procedure repeated until an acceptable calibration/validation with observed data is achieved (validation is against turning counts and secondary data such as census information). The process is computerised, and is done through an inbuilt algorithm within the VISUM model.

  • Based on Origin -Destination surveys and the calibrated VISSIM matrix.
  • Run matrix in VISUM network and enhanced with new zones.

Zone Structure

  • Refer to the VISUM Zone Diagram below.
  • Zones include: Schools, Car Parks and Residential catchment areas.
  • New prior matrix for VISUM covers internal movements and return trips from the cordon points. (Different approach from VISSIM). See Cordon Points plan below.

Network and Matrix calibration

  • Calibration was carried out on whole network against all available observed flows (2004 and 2006 Traffic Surveys)
  • Calibration based on directional links flows.
  • VISUM synthetically filling in other parts of the network.
  • The Matrix calibration process takes an initial assignment and recalibrates the matrix against observed turning and link flows.
  • Road characteristics and junction characteristics (Signals, turns capacities) are considered in the assignment process.

Development of the VISSIM Model

  • VISSIM flows accurately validated against surveyed values.
  • VISSIM journey times on major routes are within ±15% margin with respect to surveyed values.
  • VISSIM generated queues replicate observed patterns.
  • All validation criteria stated in current DMRB(Design Manual for Roads and Bridges) and TfL guidelines have been met.

    • Development of VISUM Model

  • Network coding based on detailed inventory survey of existing highway arrangements
  • Surveyed O&D Matrix accurately calibrated validated against internal flows.
  • Traffic signal data obtained from TfL and incorporated into the model.
  • All vehicle types included in the model.
  • Impact of pedestrian movements on traffic operations included in the model.

Option Testing with VISSIM

The VISSIM model can be used to assess the following measures:

  • Corridor studies along the A219.
  • Impact of signal modifications.
  • Effects of layout modifications and lane usage alterations.
  • Effects of traffic redistributions on network performance along the A219.
  • Detailed analysis of network performance in proposed scenarios in terms of delays and queuing patters.

Option Testing with VISUM

The VISUM model can be used to assess the following Measures:

  • Effects of road closures.
  • Effects of prohibited movements at junctions.
  • Major traffic management proposals.
  • Major changes on parking.
  • Major development proposals.
  • Trip growth / generation.

Conclusion

  • AM Peak VISUM model completed and validated against DMRB criteria.
  • AM and PM Peak VISSIM models developed and validated against DMRB and TfL guidelines.
  • VISUM and VISSIM models will allow the operational assessment of a wide range of traffic management proposals.

Related Documents

Surveys Data

Automatic Traffic Count (ATC)

Manual Turning Count

Wednesday 13 October 2004

Wednesday 01 December 2004

25 April 2006

23 May 2006

Origin-Destination Survey

Pedestrian Crossing - 25 April 2006

Queue Length Survey

Journey Times - 25-26 April 2006