Department of Infrastructure, Transport, Regional Development, Communications and the Arts

Outback Way - 2016 Election Commitment - NT - Plenty Highway upgrade and seal beyond Harts Range

Funding Program:Investment Road and Rail Program
Transport Mode:Road
Expected Start/Finish:Early 2019 - October 2021
Estimated Project Cost:$6,250,000
Australian Government Contribution:$5,000,000

Project Description

The project involves upgrading approximately 7.5km of the Plenty Highway from gravel to a two-lane seal, with associated drainage works as required.


The project is expected to deliver the following benefits:

  • improve overall road safety and riding quality
  • improve flood immunity
  • minimise vehicle weight and type restrictions due to flooding or pavement preservation needs
  • support current and future demand from mining, cattle and tourism industries
  • reduce closure times of the highway
  • formalise access roads


The Australian Government will provide 80% of the project costs capped up to a contribution of $5 million, subject to the Northern Territory Government providing 20% of the project costs.


Construction commenced in April 2019 and completed in October 2021.

Disclaimer: The material contained in this site is made available on the understanding that the Department is not thereby engaged in rendering professional advice for a particular purpose. Before relying on the material in any important matter, users should carefully evaluate the accuracy, completeness and relevance of the information for their purposes and should obtain appropriate professional advice relevant to their particular circumstances.

Project details last updated: 5/08/2022