Proposed nine month trial closure - Heatherbank Terrace, Stonyfell

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Consultation has concluded

Council seeks your opinion on an alternative traffic calming measure.

Background

In response to complaints about speeding in Heatherbank Terrace, the Council undertook traffic surveys which confirmed that traffic speeds were too high and intervention was warranted.

The Council then sought independent advice about the preferred traffic calming method to deal with the issue. Following consultation with residents of Heatherbank Terrace, a ‘Driveway Entry’ was installed in Heatherbank Terrace in June 2016.

As a result, the 85th percentile* traffic speed in Heatherbank Terrace reduced by 6 km/h from 62 km/h, prior to the installation of the Driveway Entry, to 56

Council seeks your opinion on an alternative traffic calming measure.

Background

In response to complaints about speeding in Heatherbank Terrace, the Council undertook traffic surveys which confirmed that traffic speeds were too high and intervention was warranted.

The Council then sought independent advice about the preferred traffic calming method to deal with the issue. Following consultation with residents of Heatherbank Terrace, a ‘Driveway Entry’ was installed in Heatherbank Terrace in June 2016.

As a result, the 85th percentile* traffic speed in Heatherbank Terrace reduced by 6 km/h from 62 km/h, prior to the installation of the Driveway Entry, to 56 km/h.

*The 85th percentile speed is the maximum speed that 85 per cent of motorists that are travelling at.

After the installation of the Driveway Entry, the Council received complaints from Stonyfell residents, and requests to remove the Driveway Entry.

Further community consultation was then undertaken as part of a review of the Driveway Entry in March 2017. As a result of this community feedback the Driveway Entry has now been removed and council seeks to install an alternative measure to reduce vehicle speeds on the Terrace.

General feedback from SAPOL is that speeding remains an ongoing issue in Heatherbank Terrace. Knowing that speeding is an issue, Council has a responsibility to consider ways to address this problem.

Further Information

One potential solution is to trial a full closure of Heatherbank Terrace for a nine month period.

A nine month period is chosen to allow for sufficient traffic data to be gathered about traffic movements during the trial; and for a further community consultation to be undertaken after six months of the trial commencement (if it proceeds) to determine if it should remain as a permanent closure.

If the community supports this trial solution, the proposed full closure will be installed on Heatherbank Terrace west of the intersection of Mingara Avenue. See below for diagram.

During the closure the residents of Mingara Avenue and Allendale Grove will likely experience increased traffic volumes.

Is there another option?

Yes. If a trial full closure of Heatherbank Terrace is not supported by the residents of Stonyfell, Council is also seeking feedback on a potential nine month half closure of Heatherbank Terrace.

If the community supports this option, the proposed half closure will be installed on Heatherbank Terrace west of the intersection of Mingara Avenue.

A half closure will allow through access for eastbound traffic only. Westbound traffic will need to travel via Mingara Avenue to Hallett Road. See below for diagram.

Below: Proposed full closure (click to enlarge)

No through access on Heatherbank Terrace at Mingara Avenue.

Click to enlarge

Below: Proposed half closure (click to enlarge)

Part road closed on Heatherbank Terrace east of Mingara Avenue.

Eastbound traffic Give Way at Mingara Avenue to proceed along Heatherbank Terrace to Penfold Road.

Westbound traffic via Mingara Avenue and Allendale Grove.

Click to enlarge

How do I have a say?

Council will consider all written submissions made on the proposal that are received by the Council before the Council meeting on 26 November 2017 but requests that any such submissions be provided to the Council by 5 pm Monday 6 November 2017.

To give us your feedback, complete the survey online below or email us your comments to burnside@burnside.sa.gov.au

I need more information

For more information contact Council's Principal Traffic Engineer, David Hayes on 8366 4200, or email burnside@burnside.sa.gov.au

What happens next?

The results of this consultation will provide valuable information to the Council Elected Member body to inform its decision-making on whether it should implement a trial closure. A report will be provided to Council at a meeting in November 2017.

Council will advise you of any future changes to the traffic conditions on Heatherbank Terrace.

Six months into the trial, if it proceeds, Council will contact the community to gain feedback on the performance of the closure. This feedback will be provided to Council to determine if the closure should become permanent.

Consultation has concluded

  • Update - click to see image

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    In response to complaints about speeding in Heatherbank Terrace, the Council undertook traffic surveys which confirmed that traffic speeds were too high and intervention was warranted.

    In June 2016 the Driveway Entry was installed on Heatherbank Terrace between the intersections of Wurinya Avenue and Karri Street after the majority of respondents supported this. This location was chosen as it was on the approach to the steepest section of road and is approximately midway. Concerns were then raised by non-Heatherbank Terrace residents regarding the Driveway Entry including inconvenience and perceptions relating to safety. Following further community consultation, the Driveway Entry Link was removed in August 2017.

    In October 2017 Council again consulted with residents to gauge support for an alternative traffic calming measure. Council sought feedback on two options for a nine month trial of either a full or part road closure. There were over 100 responses and the majority did not support a full closure of Heatherbank Terrace and 84 per cent also did not support a part closure of the terrace.

    The results of this consultation were reviewed at the 28 November Council Meeting and Council resolved to not support a trial closure of Heatherbank Terrace. Overall, there was low support from the Stonyfell community for either a full or part trial closure. The perception and reason given, for both options, was that the closures would transfer a problem from one road to another; redirect speeding vehicles; increase traffic volumes on Allendale Grove and raise safety issues for pedestrians, pets and wildlife. There were also comments that smaller side roads, like Mingara Avenue, are narrow and perceived as not suitable for an increased volume of traffic.

    In February 2018, Council installed a solar powered, radar activated LED sign that displays the speed to the driver of an approaching vehicle.

    The speed is capped at 60 km/h to discourage hoon driving. A speed limit reminder sign has also been installed to remind drivers of the correct speed. The signs are located on Heatherbank Terrace adjacent to Heatherbank Reserve on the steepest part of the terrace facing west bound downhill traffic.

    Traffic speed surveys were undertaken pre installation of the signs. Further traffic speed surveys will be undertaken following the installation. Another survey is due to take place at six months post the installation to assess the success or otherwise of the signs. These surveys will assist Council in determining the future of the signs and potential expansion to other streets.