News

Balhannah Intersection Upgrades - Night Works Notice February 2026

18 February 2026

What's happening

Work is continuing in Balhannah at the intersection of Onkaparinga Valley Road, Junction Road and Nairne Road, and the junction of Junction Road, Jones Road, and the railway crossing.

From Monday 23 February the Department of Infrastructure and Transport (DIT) will be undertaking 3 nights of asphalt works at the intersection of Junction Road, Jones Road and the railway crossing and on Onkaparinga Valley Road in front of Balhannah Recycling. These works will be undertaken at night to minimise disruption to road users. Intermittent day works will also continue at these locations.

Remaining works to complete the roundabout at the intersection of Onkaparinga Valley Road, Junction Road and Nairne Road include footpath installation, landscaping, kerbing, and final line marking. These works will be carried out during the day.

When: February 2026 until early March 2026, weather permitting.

Hours of work:

  • Night works - 7.30pm to 6.00am.
  • Day works - Monday to Friday, 7.00am to 5.00pm.

Where:

  • The junction at Junction Road, Jones Road and railway crossing, Balhannah.
  • Intersection of Onkaparinga Valley Road, Junction Road and Nairne Road, Balhannah.

How this might affect you

To keep everyone safe, speed and lane restrictions will continue to be in place while these works are underway. Please plan your trip accordingly, observe signage, and follow the directions of onsite traffic controllers.

During the works there will be some noise, but DIT contractors will do their best to keep this to a minimum. You may also notice some odours during asphalt works, which is normal.

Access to businesses and surrounding properties will be maintained throughout the works. Please avoid queuing over driveways and support local businesses.

Temporary pedestrian detours will continue to be in place. Please follow onsite signage and the direction of traffic controllers to guide you safely to alternate routes.

More information

Call 1300 794 880

Email DIT.Engagement@sa.gov.au

Visit www.dit.sa.gov.au/AdelaideHillsPRS