watlington traffic study tpp presentation 24/11/2014

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Watlington Traffic Study TPP Presentation 24/11/2014

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Page 1: Watlington Traffic Study TPP Presentation 24/11/2014

Watlington Traffic StudyTPP Presentation 24/11/2014

Page 2: Watlington Traffic Study TPP Presentation 24/11/2014

Study brief• Analyse what the traffic issues are currently;

• Without any additional development in Watlington itself, determine what the anticipated rise in traffic volumes generally in the region would mean for Watlington's roads;

• Assess which areas of Watlington would be better for development (without any additional road infrastructure) to minimise additional traffic flows within the town;

• If you could facilitate a relief road with new housing development, determine which roads it would be best to connect with;

• Establish how through traffic could be deterred, whilst still encouraging destination traffic which supports Watlington’s shops and business community

Page 3: Watlington Traffic Study TPP Presentation 24/11/2014

Our approach to the traffic study

• Comprehensive traffic surveys were undertaken in September 2014.

• A site visit was undertaken on Thursday 18th September 2014.

• A pragmatic approach to this study based on the data, our knowledge of the town and professional judgement of the transport issues.

• Supported by the extensive local knowledge of members of the NPCC.

Page 4: Watlington Traffic Study TPP Presentation 24/11/2014

Structure of presentation

• Site visit observations

• Traffic surveys

• Future background traffic growth

• Potential relief road

• Options for improving traffic

• Summary and conclusions

Page 5: Watlington Traffic Study TPP Presentation 24/11/2014

Site visit observations

• B4009 Shirburn Street

• Shirburn Street / Hill Road / Couching Street / High Street Priority Junction

• B4009 Couching Street

• Couching Street / Brook Street Priority Junction

• B480 Brook Street

• Other routes: Hill Road, High Street, Pyrton Lane

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Traffic surveys

• Automatic Number Plate Recognition (ANPR) survey

Indication of the level of through-traffic by cars and HGVs on a typical weekday.

A cordon was identified and ANPR was set up at four locations:

– B4009 Shirburn Road

– B480 Howe Road

– B4009 Britwell Road

– B480 Cuxham Road

Page 13: Watlington Traffic Study TPP Presentation 24/11/2014

Traffic surveys

• Manual counts

– Link counts for Hill Road and Pyrton Lane

– Turning movements on Pyrton Lane between B4009 and B480

– Turning movements at the Couching Street / Brook Street priority junction

• Automatic Traffic Counters

Installed near the ANPR cameras to confirm the traffic flows on the ANPR survey day were not atypical.

Page 14: Watlington Traffic Study TPP Presentation 24/11/2014
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Summary of traffic surveys

• The ATCs confirmed the traffic flows on the ANPR survey day were not atypical.

• Average weekday 24-hour traffic flow: Approximately 22,500 vehicles pass the four main cordon points (ATCs).

• Total ANPR traffic flow:

– 1,890 in the AM peak (7.0% HGVs)

– 2,061 vehicles in the PM peak (2.6% HGVs)

• Approximately 85% were “matched” which gives an indication of through-traffic.

• Shirburn Road accounts for a large proportion of the through-traffic, in the region of 40% to 50%.

Page 16: Watlington Traffic Study TPP Presentation 24/11/2014

“Matched” vehicle movements to/from Shirburn Road, AM Peak

330

127151

30

76160

46

304

Note: 22 U-turning movements not shown

Page 17: Watlington Traffic Study TPP Presentation 24/11/2014

Summary of traffic surveys

• Approximate average journey times:

North - South

3 mins

5 mins in AM peak

East – West

2.5 mins

4 mins in AM peak

Page 18: Watlington Traffic Study TPP Presentation 24/11/2014

Summary of traffic surveys

• Couching Street / Brook Street priority junction PICADY analysis

– Theoretically be operating within capacity.

– Confirms observation that queueing was caused by the on-street parking on Couching Street.

• Pyrton Lane used as a “rat-run” especially in the AM peak

Page 19: Watlington Traffic Study TPP Presentation 24/11/2014

Future background traffic growth

• TEMPRO (Trip End Model Presentation Program) database

• Without any development, between 2014 and 2031.

• 6% to 8% increase in background traffic depending on the time period.

• Inter-peak and weekends are expected to experience more growth than during the weekday peak times.

• Junction analysis for

Page 20: Watlington Traffic Study TPP Presentation 24/11/2014

Potential relief road

• Most HGVs travel between Shirburn Road and Howe Road or Britwell Road

• Link between Shirburn Road and Britwell Road could be provided

• Pyrton Lane could be improved and used as an alternative HGV route

• Pyrton Lane could also provide access to schools

Page 21: Watlington Traffic Study TPP Presentation 24/11/2014

Options for improving traffic

• Discourage HGV through movements

– Signage

– Physical measures to restrict HGV access

– Enforcement of 7.5 tonne weight restriction zone

• Public realm improvements

– Short-term

– Medium-term

– Long-term

Page 22: Watlington Traffic Study TPP Presentation 24/11/2014

Discourage HGV through movements

• Signage

– 7.5t weight restriction signs on the M40 before Junction 6.

– Consistency in signage at the M40 Junction 6 slip roads.

– Removal of “M40” from the signs at the Couching Street / Brook Street junction.

– Local access only signs.

– Black lorry routeing signs.

Page 23: Watlington Traffic Study TPP Presentation 24/11/2014

Discourage HGV through movements

• Physical measures to restrict HGV access

– Width / height restrictions.

– Lack of alternative routes available for HGVs at present.

– Requirements for HGV access to serve Watlington.

– Physical measures are not considered to be appropriate at Watlington at this time but an opportunity might exist in the future.

• Enforcement of 7.5 tonne weight restriction zone

– Police checks need to be undertaken on a regular basis to encourage HGV drivers to change habits.

Page 24: Watlington Traffic Study TPP Presentation 24/11/2014

Public realm improvementsShort-term measures

• Removal of on-street car parking.

• Realignment of kerb to ease left-turning manoeuvres from Couching Street to Brook Street.

Page 25: Watlington Traffic Study TPP Presentation 24/11/2014

• Rearrangement of the "give-way to oncoming traffic"

• Road markings to improve the alignment and visibility for northbound traffic.

• Renewal of footways and kerb materials by the pinchpoint.

• Convert one or two of the on-street parking bays on High Street into loading bays.

Public realm improvementsShort-term measures

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• Reconfiguration of the Shirburn Street / Hill Road / Couching Street / High Street junction.

• Potentially involve installing traffic signals.

• Buildout on Shirburn Street.

• There is scope to provide an additional loading bay.

• Potential for implementing a 20mph zone.

Public realm improvementsMedium-term measures

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• Long-term aspiration for Watlington: to “reclaim” the town from the traffic.

• A “relief road” in the future would reduce traffic flows along Shirburn Street and Couching Street.

• Elements of the “shared space” concept could be applied to Watlington.

• Any changes to Watlington should be fit for purpose and recognise the constraints which Watlington faces.

• Acceptance for some HGVs which have to serve the town.

Public realm improvementsLong-term measures

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• Heart of Watlington could be considered to be along the High Street, between the War Memorial and the Town Hall.

• Demarcated by a different surface material.

• Carriageway could be raised to be the same level as the footways.

• Vehicles be made aware they are passing by the heart of the town - slow down and drive more carefully

• Depending on the car parking demand in the future, potential to remove yellow lines along the High Street.

• Further scope to implement other traffic management measures, e.g. a one-way system on Couching Street.

Public realm improvementsLong-term measures

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Summary and conclusions• High proportion of through-traffic and HGV movements.

• HGVs are mainly travelling between the M40 and Britwell Road or Howe Road.

• There is a potential to deliver effectively a “relief road”.

• Background traffic growth is expected to be between 6% and 8%.

• Traffic growth in the area is expected to intensify the existing congestion and air quality issues in the town.

• Measures to deter through-traffic have been examined.

– Discourage HGVs through the town.

– Short-term, medium-term and long-term public realm improvements.