News

Balhannah Intersection Upgrades - Works Notice January 2026

23 January 2026

What's happening

The Department of Infrastructure and Transport are continuing work 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.

In early February asphalt works will be carried out at Intersection of Onkaparinga Valley Road, Junction Road and Nairne Road, Balhannah and Junction Road, Jones Road and the railway crossing. These works will be undertaken at night to minimise disruption to road users.

Intermittent day works will also be carried out.

When: January 2026 until March 2026, weather permitting

Hours of work:

  • Intermittent night works - Sunday to Friday 7:30pm until 6:00am
  • Day works - Monday to Saturday 7:00am until 5:00pm

Where:

  • The intersection of Onkaparinga Valley Road, Junction Road and Nairne Road, Balhannah
  • The junction of Junction Road, Jones Road and railway crossing, Balhannah

How this affects you

To keep everyone safe, speed and lane restrictions will continue to be in place while these works are underway. Nairne Road will be closed at Onkaparinga Valley Road during working hours until early February. Please plan your trips, accordingly, observe signage, and follow the directions of onsite traffic controllers.

Heavy Vehicles detour

From Tuesday 20 January 2026 until end of January 2026 a heavy vehicle detour will be in place. Please visit the project web page for more information.

Access for all other vehicles will be maintained through the work site.

More information

Call: 1300 794 880

Email: DIT.Engagement@sa.gov.au

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