Roystonea Avenue duplication
The Department of Logistics and Infrastructure (DLI) is duplicating Roystonea Avenue in Palmerston, from Terry Drive to Lambrick Avenue, starting in April 2025.
Roystonea Avenue is a key access road connecting Palmerston CBD to the suburbs.
The duplication will:
- improve road safety, traffic flow and drainage, particularly around the Inverway Circuit intersection
- address the currently unsignalised Roystonea Avenue and Inverway Circuit intersection, and peak hour delays and congestion
- cater for the future population growth expected in the area
- address seasonal localised flooding experienced on the road.
As part of the works, pedestrian crossings will also be added at the Inverway Circuit intersection.
During the project
Access to Inverway Circuit and Buscall Avenue from Roystonea Avenue will be restricted at times during the works, and detours will be in place.
Traffic management will include use of speed reductions and temporary lane closures to ensure the safe and efficient flow of traffic.
There may be some delays to traffic flow from time-to-time during the construction. Road users are encouraged to seek alternative routes where possible.
Motorists are asked to take caution during these works and comply with all traffic management and signage in place.
Current works
Inverway Circuit temporary closure
As part of the project, traffic signals and pedestrian crossings will be installed at the Inverway Circuit and Roystonea Avenue intersection.
To ensure the safety of construction crew and road users, Inverway Circuit will be temporarily closed between Roystonea Avenue and Farrar Boulevard from 13 April 2026 for approximately 15 weeks (weather permitting). Pedestrian access will remain open during this time.
Local traffic will need to detour along Farrar Boulevard to Temple Terrace or Lambrick Avenue.
Terry Drive changed access
Due to the changed traffic conditions, there will be no right turn from Roystonea Avenue on to Terry Drive. Alternate access is via Temple Terrace or Buscall Avenue.
Additionally, there will be no right turn from Terry Drive on to Roystonea Avenue. These changes will be in place from 13 April 2026 for approximately 15 weeks (weather permitting).
Project details
Work is expected to completed by September 2026.
The project is jointly funded by the Australian and Northern Territory governments.
To keep up to date with the latest information on road conditions in the Territory, like and follow facebook.com/RoadReportNT or visit roadreport.nt.gov.au.
Previous announcements
Contact
To find out more contact DLI Project Manager Kirunthi Krishna on phone 08 8999 4482 or email kirunthikaran.krishnapillai@nt.gov.au
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