Corridor Strategies: Lessons from NSW

What are corridor strategies?

Corridor strategies are a spatial planning approach that enables cross-boundary infrastructure and economic planning.

They integrate transport planning with land use planning, creating a holistic framework that considers how places connect through infrastructure, economy, and the movement of people and goods.

This sets them apart from approaches that treat transport infrastructure as separate from these wider considerations.

New Zealand’s planning changes

The shift in New Zealand’s planning legislation mirrors frameworks in Australia, where corridor strategies have become a key tool.

New Zealand’s new planning legislation is pushing councils toward more regional, corridor-based thinking, rather than treating transport, land use, and economic development in isolation.

As regional spatial strategies and longer-term planning horizons become embedded, we will see a greater emphasis on how growth, infrastructure, and investment play out along key movement corridors.

That shift makes corridor strategies attractive because they provide a framework for cross-boundary coordination, give greater certainty about where to target infrastructure spend, and support more robust business cases by linking spatial aspirations with commercial and economic realities.

Specific benefits that I’ve seen from the use of corridor strategies:

• Cross-boundary coordination: Enabling infrastructure and economic planning that crosses district boundaries, allowing for genuine regional thinking.

• Investment certainty: Understanding where and how growth will occur along a corridor enables councils and infrastructure providers to plan investments with greater confidence.

• Commercial viability: Corridor strategies ground spatial planning in commercial reality, analysing property investment values and rates, and revenue potential.

• Business case support: Evidence generated through this process informs investment decisions at both the council and private-sector levels.

• 30-year-plus planning horizon: Corridor strategies enable genuine long-term spatial planning by forecasting how corridors will attract growth, what density is appropriate, and what infrastructure investments are required over time.

Lessons from the Northwestern Corridor (NSW)

A real-world example of the value of an effective corridor strategy is one I worked on in New South Wales: the Northwestern Corridor project. The approach moved beyond aspirational place-making to interrogate the commercial and investment fundamentals that would enable growth.The strategy examined:

• Which areas along the corridor would attract what types of growth?

• What density and development forms were appropriate for different locations, taking into consideration maintaining local character whilst allowing for change and driving employment growth

• How infrastructure investments could enable and support projected development, including the funding of social infrastructure that would supporting the needs of the changing population.

• What rates revenue councils could expect from different development scenarios?

• How public-private partnerships could deliver community outcomes alongside commercial returns.

View the outputs of the Northwest Corridor Strategy on the NSW Government website.

Working with TPG: the importance of commercial property understanding

Understanding the impact of infrastructure investment and urban change on land values and development feasibility is what differentiates effective corridor strategies from other spatial plans.

Corridor strategies need to answer not just “what should this place become?” but “how will investment flow to make that happen?”It’s about understanding how these could change over the life of a strategy, including:

• Quantifying likely housing and employment growth along the corridor

• Linking infrastructure investment to social outcomes, not just movement or capacity

• Identifying population change along the corridor and the additional investment required to support it.

For councils looking to make the most of this shift, TPG brings the commercial property insight needed to link corridor strategies to real-world investment behaviour, development feasibility, and long-term revenue outcomes.