Infrastructure, Road and Footpath Construction

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On this page you can find out about infrastructure, road and footpath projects that impact the Adelaide Hills Council Area.

This includes most:

  • Council led road, infrastructure and footpath projects
  • SA Government road projects and transport infrastructure
  • SA Government and Council Consultations
  • Other known projects impacting roads and footpaths in the Adelaide Hills Council Area*.

* Please note Council is not made aware of all external projects so you may not find the project you are looking for if it is being undertaken by a third party (e.g. SA Power Networks, NBN, SA Water, Telstra) .

Explore the news items below to stay up to date with the latest information.


If you are interested in road works outside the Adelaide Hills Council Area please visit Traffic SA.

On this page you can find out about infrastructure, road and footpath projects that impact the Adelaide Hills Council Area.

This includes most:

  • Council led road, infrastructure and footpath projects
  • SA Government road projects and transport infrastructure
  • SA Government and Council Consultations
  • Other known projects impacting roads and footpaths in the Adelaide Hills Council Area*.

* Please note Council is not made aware of all external projects so you may not find the project you are looking for if it is being undertaken by a third party (e.g. SA Power Networks, NBN, SA Water, Telstra) .

Explore the news items below to stay up to date with the latest information.


If you are interested in road works outside the Adelaide Hills Council Area please visit Traffic SA.

  • High Productivity Vehicle Network Project

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    The Department of Infrastructure and Transport (DIT) are working to improve the High Productivity Vehicle Network that comprises a corridor from the South Australian and Victorian border through to the South Australian and Western Australian border. This includes the Eyre, Sturt, Augusta and Dukes Highways as well as connecting routes around Greater Adelaide and to Outer Harbour. This project has been identified in the Infrastructure Australia Infrastructure Priority List (2022).

    The intent of the program is to maximise the efficiency of South Australia’s regional and intrastate freight network and the interstate supply chain connectivity to the north, south, east and western states and territories in Australia.

    The scope of the Strategic Business Case will include:

    • Eyre Highway
    • Augusta Highway
    • Dukes Highway to the Victorian border
    • Sturt Highway to the Victorian border
    • Dublin to Outer Harbour
    • Connecting the Princes Highway and Port Wakefield Road – providing an alternative heavy vehicle route away from the South Eastern Freeway and Portrush Road

    To find out more, please visit the DIT Website.

  • Woodside Intersection Upgrade

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    The Department of Infrastructure and Transport (DIT) are upgrading the intersection at Onkaparinga Valley Rd, Tiers Rd and Nairne Rd, Woodside.

    The State Government has committed funding to improve road safety in the Adelaide Hills, this includes upgrading the staggered-T intersection of Onkaparinga Valley Road, Tiers Road and Nairne Road in Woodside.

    They have developed a draft concept design and are now seeking your input to help inform the final design (view the concept design). The preferred concept design extends the existing painted median to the north, does not require property acquisition and includes a pedestrian refuge near the Woodside Library.

    Have your say

    Local knowledge and community input are vital in shaping the final design of this upgrade, and we encourage community members to share their views. To participate in person, the DIT team will be available at Woodside Hall on the following dates:

    • Friday 4 July 2025 between 4pm and 6pm
    • Saturday 5 July 2025 between 10am-12pm

    Alternatively, you may complete the online survey.

    Feedback is open on the draft concept design until Friday 11 July 2025.

  • Balhannah Intersection Upgrades

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    The Department of Infrastructure and Transport (DIT) are enhancing safety and access at key junctions in Balhannah.

    They are delivering important productivity and road safety upgrades at two junctions in Balhannah:

    • The intersection of Onkaparinga Valley Road, Nairne Road and Junction Road
    • The intersection of Junction Road and Jones Road in Balhannah

    DIT have now finalised their designs which were informed by community insights, site surveys, and environmental and heritage assessments. This update provides more information on both upgrades, including details about our upcoming information sessions.

    Intersection of Onkaparinga Valley Road, Nairne Road and Junction Road, Balhannah

    DIT will be constructing a single-lane roundabout at the Onkaparinga Valley Road, Nairne Road, and Junction Road intersection to improve safety at this location.

    Key treatments

    The construction of a new roundabout will improve safety and traffic movements throughout the intersection. Key treatments include:

    • new roundabout featuring a mountable kerb to facilitate heavy vehicle movements
    • construction of pedestrian refuges and access ramps
    • upgraded lighting
    • new line marking
    • new asphalt, kerb and guttering
    • upgraded shared use paths

    To safely accommodate a pedestrian access and refuge, on-street parking near the roundabout on the north eastern side of Onkaparinga Valley Road will be reduced to a single parking space.

    Early works are currently underway at the intersection with major construction expected to commence in July 2025. Advance notice will be provided.


    Junction of Junction Road, Jones Road, and the rail crossing, Balhannah.

    The junction of Junction Road and Jones Road in Balhannah has also been identified as a priority location for targeted safety upgrades. This will include the installation of updated signage and new line marking, as well as improving manoeuvrability at the junction by widening the existing shoulder.

    Early works will commence in June 2025 with construction expected to commence from July 2025. Advance notice will be provided.


    Community Information Sessions

    Questions about these projects? DIT are hosting two community information sessions in Balhannah and invite you to come and meet the project team, view the final concept designs and ask any questions you may have about these projects or the Adelaide Hills Productivity and Road Safety Package.

    These sessions will be held at the Balhannah Soldier’s Memorial Hall, 91 Onkaparinga Valley Road, Balhannah on:

    • Thursday, 12 June 2025, 5pm to 7pm
    • Saturday, 14 June 2025, 11am to 1pm

    Parking is available behind the building.

    For more information visit: www.dit.sa.gov.au/AHPRS

  • Main Street, Crafers - Site Investigation Works

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    The Department of Infrastructure and Transport are undertaking site investigation works on Main Street at Crafers to help inform future transport planning projects.

    What's happening?

    They will be undertaking engineering survey works on Main Street, Crafers. Work will involve geotechnical drilling and service investigations at various locations along the road footpath.

    When is it happening?

    Between 7am to 5pm on Wednesday 11 June 2025

    How this might affect you

    To safely carry out these works, there will be changes to traffic conditions. Speed restrictions will be in place on Main Street during working hours. Some noise disturbance can be expected at times while these works are completed, however the work will be managed to minimise disturbance to nearby residents and businesses as much as practically possible.

    How can I find more information?

    • Call 1300 794 880
    • Email: dit.engagement@sa.gov.au
    • Visit: www.dit.sa.gov.au/rsp
  • Black Spot Safey Upgrade - Basket Range Road

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    Adelaide Hills Council is undertaking a Black Spot Safety Upgrade project in Basket Range.


    Where: Basket Range Road, Basket Range, between Lobethal Road and Ranns Road North.

    What's happening: The project involves construction of sealed shoulders, as well as installation of new signage and guideposts.

    When: The project will commence on Tuesday 18 March and is expected to be complete by the end of the week (weather permitting).

    How this affects you: This section of Basket Range Road will be closed during work hours (7am – 5pm, Mon-Fri), with a detour in place via Range Road / Lobethal Road.

    The road will be made safe and re-opened after hours and on weekends, with reduced speed limits in place.

    Local residents and the Basket Range quarry have been informed of the works and will still have access to their properties.

  • Construction Work - Burfords Hill Road, Mt Torrens

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    As a part of the Amy Gillett Bikeway Extension project, Civil Services have engaged a contractor to undertake repair work on Burfords Hill Road Bridge in Mount Torrens. The Amy Gillett Bikeway extension follows the old rail corridor and will pass over this bridge. The bridge has non-structural defects on several components that require repair prior to the bikeway being constructed over the top. The repair works will involve concrete patching and crack repairs and the application of protective coatings.

    When: From Monday 3 March to Friday 4 April 2025, a full road closure will be in place during work hours. A single lane closure with stop/slow traffic control, will operate until mid-April 2025 while final bridge works are being completed.

    Where: The section of Burfords Hill Road immediately adjacent the bridge will be closed.

    Hours of work: Monday to Friday 7am – 5pm, the road will be made safe and opened after hours and on weekends.

    Detour: via Angas Creek / Mueller Roads.

    For any queries, please contact the project officer Haydn Smith on 08 8408 0400 or hasmith@ahc.sa.gov.au


  • Road closure. Fox Creek Rd, Cudlee Creek

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    The section of Fox Creek Road shown on the map, from the corner of Cudlee Creek Rd, will be closed during work hours (7am – 5pm Mon-Fri), with a detour in place via Cudlee Creek / Lobethal Roads.

    The project will resume on Monday 28 April 2025 and is expected to take three weeks to complete, weather permitting.

    The road will be made safe and opened after hours and on weekends, with reduced speed limits in place. A road closure is essential to safeguard both the public and the work crew, given the specialized heavy construction machinery in use and the narrow, winding nature of the road corridor.

    Access to the Fox Creek Bike Park lower carpark will be maintained at all times (from the south).

    Council is undertaking the project to upgrade a 700m section of Fox Creek Road, Cudlee Creek, south of the intersection with Cudlee Creek Road. The road pavement in this section has deterioated and requires reconstruction. The road will be upgraded with a cementitious stabilised base course and a sprayed seal wearing course, with improved drainage to prolong the lifespan of the new pavement.

  • South Eastern Freeway Upgrade Works Update - Heysen Tunnels Temporary Traffic Restrictions

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    Department of Infrastructure and Transport (DIT) will be testing new safety equipment installed as part of the Heysen Tunnels upgrade.

    When: Saturday 8 February 2025, weather permitting.

    If the testing of the new safety equipment at the Heysen ]Tunnels needs to be postponed, it will be rescheduled for Saturday 15 February 2025. Work hours and detours will remain the same as mentioned in this notice.

    Hours of work: 7pm to 6am

    Where: South Eastern Freeway, Adelaide-bound and Crafers-bound Heysen Tunnels and approaches

    What's happening: DIT recently installed new safety equipment in and on the approaches to the Heysen Tunnels. They are continuing to test the equipment, including related roadway signage, to ensure all systems operate correctly.

    You may notice some smoke coming from the tunnels during the testing process. This smoke is non-toxic, and there is no risk to public safety.

    How this affects you: To reduce disruptions for drivers, we'll do the testing at night. The traffic changes are as follows:

    Adelaide-bound traffic

    7pm to 9pm

    • Initial speed and lane restrictions for Adelaide-bound traffic.

    9pm to 6am

    • All road users, including emergency services and heavy vehicles, will detour via Mount Barker Road (Eagle on the Hill).

    Crafers-bound traffic

    8pm to 9.30pm

    • Initial speed and lane restrictions for Crafers-bound traffic.

    9.30pm to 6am

    • Heavy vehicles can use the South Eastern Freeway but will need to wait for the freeway to reopen after short intermittent closures in the vicinity of the Heysen Tunnels. Each closure will extend for approximately 15 minutes.

    • All other road users, including emergency services, will detour via Mount Barker Road (Eagle on the Hill).

    Speed and lane restrictions will be in place. Please plan ahead, allow extra travel time and follow the detour signs and direction of traffic management staff. We’ll have temporary electronic signs in place to direct road users when the permanent electronic signs are being tested.

    Although delays may occur, there will be no change to public transport services.

    Safety ramps are available on Mount Barker Road (Eagle on the Hill) and the South Eastern Freeway (safety ramp between Heysen Tunnels and Tollgate).

    In the event of a bushfire, other emergency, or on catastrophic fire days, all lanes will be open in both tunnels and posted speed limits will be reinstated for both carriageways.

    More information

    Call:1300 794 880

    Email: DIT.Engagement@sa.gov.au

    Visit: www.dit.sa.gov.au/heysen

  • Onkaparinga Valley Road, Junction Road and Nairne Road intersection upgrade

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    Early works notice:

    The upgrade is funded under the $150 million Adelaide Hills Productivity and Road Safety Package, which is jointly funded by the Australian (80%) and South Australian governments (20%) over five years.

    When

    From Monday, 3 February 2025 until mid-2025

    Hours of work

    Monday to Friday

    7:00am until 5:00pm

    Some weekend and night work may be intermittently required

    Where

    The intersection of Onkaparinga Valley Road, Junction Road, and Nairne Road, Balhannah

    What's happening

    The Department for Infrastructure and Trasport (DIT) are constructing a roundabout at this location to improve safety.

    In preparation for construction works commencing mid 2025, DIT are undertaking early works, including site investigations, surveys and services relocations at the intersection of Onkaparinga Valley Road, Junction Road and Nairne Road in Balhannah.

    How this affects you

    To keep everyone safe there will be speed and lane restrictions in place on and in the vicinity of the intersection while early works are underway. Please plan your trips, be cautious around workers, and observe onsite signage.

    Access to businesses and surrounding properties will be maintained.

    Temporary pedestrian detours may be in place during works, onsite signage will guide you to alternate routes. Minor noise disturbances can be expected while works are being undertaken, but we will minimise any disturbance to residents as much as possible.

    Services relocations will include Telstra, SA Water, SA Power Networks and NBN. Service providers will contact customers directly if any service disruptions are expected.

    More information

    Call: 1300 794 880

    Email: DIT.Engagement@sa.gov.au

    Visit: www.dit.sa.gov.au/BalhannahPRS

  • Montacute Road Bridge Reconstruction Project

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    The bridge over Fifth Creek, near 780 Montacute Road, Montacute, will be replaced. Work will start this Monday, 13 January, and is expected to continue until early March. The bridge will remain open during this period, but various speed and lane restrictions will be in place. Please plan your travel accordingly and allow extra time for potential delays.

    Project Details:

    Civil Services is undertaking a project to reconstruct the Montacute Road bridge over Fifth Creek, Montacute. The existing bridge is in poor condition and requires replacement to ensure safety and functionality.

    The project will involve constructing a new road bridge with a cast in-situ reinforced concrete base slab, arch culvert, wing walls, headwalls, and a structural bridge barrier. To minimise disruptions, the new bridge will be built underneath the existing structure, allowing Montacute Road to remain operational throughout the construction period.

    Work is scheduled to begin on Monday, 13 January, and is expected to be completed by early March, weather permitting. During this time, there will be speed and lane restrictions on Montacute Road, with a single lane closure when necessary. The contractor will coordinate the work to manage traffic movements effectively.

    Residents in the immediate area will receive a letter with the contractor's contact details for any inquiries.

    Asset Location: Approximately 780 Montacute Road, near the intersection with Smiths Gully Road.

Page last updated: 07 Jul 2025, 01:37 PM