Updates, news and works notices

Find the latest updates about the Mount Barker Interchange Upgrade.

Announcements

Published on Wednesday 12 November 2025

Adelaide Hills Infrastructure Projects Information Sessions

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Published on Thursday 9 April 2026

April 2026 - Adelaide Road works notification

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Published on Wednesday 25 February 2026

March 2026 - Westbound entry ramp works notification

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Published on Tuesday 2 December 2025

December 2025 - Site establishment and services modification works notification

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Published on Wednesday 18 February 2026

Adelaide Hills interchange upgrades motoring ahead
Works are now underway on the upgraded interchanges at Mount Barker and Verdun.
Published on Friday 20 June 2025

Contractors selected for multi-million-dollar congestion busting hills interchanges
Contracts have been awarded to deliver $150 million upgrades of the Mount Barker and Verdun Interchanges, with major construction set to begin in late 2025.
Published on Sunday 20 October 2024

The Hills are alive with the sound of progress
Residents of Mount Barker and the Adelaide Hills will have better access to and from their communities with improved safety and traffic flow in the state’s fastest-growing city, with significant progress on a suite of major projects totalling $190 million.