Grange Road, Holbrooks Road and East Avenue Intersection Upgrade

Grange Road, Holbrooks Road and East Avenue Intersection Upgrade

Part of the Broader Network Upgrades, to upgrade the intersection of Grange Road, Holbrooks Road and East Avenue.

Less time waiting at traffic lights.
Four new, safer pedestrian crossings.
Improving safety for cyclist and public transport users.
Removing staggered junction for faster travel.

About the project

Construction of a new, four way intersection, will relieve congestion and improve safety and connectivity for all road users at this location.

Fast facts

Status

Open to traffic.

Location

Along Grange Road, Holbrooks Road and East Avenue.

Funding

$90 million, funded by the Australian and South Australian governments as part of the T2D Project.

What's happening

Major construction work to deliver important safety improvements on the Grange Road, Holbrooks Road and East Avenue Intersection is now complete.

We would like to thank the local community for their patience and understanding while we delivered these important safety improvements.

This upgrade included:

  • realignment and widening of East Avenue with two through lanes onto Holbrooks Road, two dedicated right turn lanes onto Grange Road and a left turn slip lane onto Grange Road
  • widening of Grange Road with dedicated left turn lane onto East Avenue, two through lanes onto Grange Road and two dedicated right turn lanes onto Holbrooks Road
  • widening of Grange Road with one dedicated left turn lane onto Holbrooks Road, two through lanes on Grange Road and one dedicated right hand turn lane onto East Avenue
  • widening of Holbrooks Road with two through lanes onto East Avenue, two dedicated right turn lanes onto Grange Road and left turn slip lane onto Grange Road.

Other works included:

  • new and upgraded traffic signals, LED road lighting, line marking and drainage
  • new asphalt, kerbing and gutters
  • upgraded pedestrian crossings within the intersection
  • installation of new dedicated bicycle lanes on all approaches
  • new landscaping.

Fly-through video

Watch the fly-through video below to experience the artist's impression.
Less than 2 minutes

Timeline

Early works

Site investigations, surveys.
Mid-2024.

Construction underway

Pedestrian actuated crossing.
Completed in October 2024.

Construction underway

Intersection upgrade works
Started early 2025.

Open to traffic

March 2026.

Community engagement

Engagement with the community will continue to be an important part of the project during the planning and construction period. We look forward to keeping you well informed about the status of the project and minimising impacts as much as possible. 

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Contact

Engagement Team

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