Missing links – Constitution Rd tunnel & Johnson Park

What have we completed in this area?

The upgrades in the area from Johnson Park to New Canterbury Road include:

  • Upgrade of Johnson Park including an upgraded path and playground
  • Tunnel under Constitution Road from Johnson Park into the light rail corridor
  • New raised path from Constitution Road tunnel along light rail and under New Canterbury Road
  • Removal of invasive non-native flora
  • Revegetation (native species and trees)
  • Installation of new solar smart path lights
  • Installation of public art in tunnel
  • Installation of new rest stop
  • Wayfinding signage 

Images

Artist impression - Johnson Park, looking south towards the tunnel under Constitution Road:

Johnson Park view to Constitution Road tunnel

As part of the GreenWay works, the beloved rocket in Johnson Park has received a well-deserved lick of paint

JP rocket - Aug 2025

The shared path between Constitution Road and New Canterbury Road is taking shape:

NCR to Const Rd raised path - 30 Sep 2025

Const Rd tunnel and path 30 Sep 2025

Raised shared path under New Canterbury Road, north side:

NCR underpass progress 24 Feb 2025

Johnson Park upgrades are progressing with bulk earthworks now completed and the installation of the concrete paths, sports court, shade sail, playground equipment and fitness area:

JP path - 30 Sep 2025

JP playground - 30 Sep 2025

We have installed a new more durable street library:

JP street library - 30 Sep 2025

With the excavation works completed, internal tunnel works are progressing:

Condt Rd tunnel 30 Sep 2025

The first tunnel breakthrough happened on 25 March 2024:

Constitution Road tunnel breakthrough south side

Piling works on and around Constitution Road bridge are now completed. The construction method of the tunnel under Constitution Road bridge is a top-down tunnelling method that required specialised equipment and included about 80 piles. The concrete has been poured for the tunnel roof, the road surface has been reinstalled, and the bridge is re-opened:

Const Rd bride open 1 

Rate this page

  • Rate as The content was useful100.00% The content was useful votes
  • Rate as The content was not useful0% The content was not useful votes

Page last updated: 03 Mar 2026