Calls for Proposals Open: What the TDCF ($5B) and the AIF ($1B) Mean for Small and Mid‑Sized Airports
Transport Canada has opened calls for proposals for the $5 billion Trade Diversification Corridors Fund (the “TDCF”) and the $1 billion Arctic Infrastructure Fund (the “AIF”), and airports are explicitly in scope. The government intends to fund corridor projects that relieve congestion, close trade‑enabling infrastructure gaps, and diversify exports beyond the United States. The AIF focuses on dual‑use transportation infrastructure in the Arctic and Northern regions that serves both communities and defence readiness. Full program criteria, application guidance, portals, and timelines are available on Transport Canada’s websites.
Background
Canada’s 2025 budget, issued in November of last year, promised to establish funding mechanisms to promote trade diversification away from the United States, and develop dual‑use (military and civilian) Arctic infrastructure.
On March 4, 2026, the Minister of Transport opened the proposal windows for both funds and set out the objectives that proposals must meet. The official notice describes a corridor strategy that aims to increase systems‑based trade capacity, relieve costly congestion, and address infrastructure gaps that hold back national or regional growth. Unlike many past funding mechanisms that implicitly centred marine and rail, the TDCF and AIF program pages explicitly name airports among eligible transportation assets and signals that funding may be structured as repayable, non‑repayable, or blended contributions, delivered with partners that include the Canada Infrastructure Bank.
The TDCF is organized in three streams, each aimed at solving a different kind of corridor problem rather than funding stand alone facilities or investments:
Stream 1 is invitation‑based and targets integrated packages on core trade corridors.
Stream 2 is a targeted call for specific corridor problems, such as intermodal capacity including inland ports, optimization of existing assets to reach overseas markets, or capacity for bulk exports.
Stream 3 is an open call that addresses regional growth gaps.
The AIF is a four‑year, Arctic‑focused program that explicitly includes airports and sets out two streams:
Stream 1 is invitation‑based, for large dual‑use corridor investments that strengthen Canadian Armed Forces readiness and close long‑standing transportation gaps.
Stream 2 is an open call for industry‑ and community‑led projects that improve regional connectivity, strengthen supply chains, enhance safety and emergency response, and serve defence needs.
The Northern plan highlights airport‑relevant dual‑use assets such as airfield upgrades, hangars, fuel storage, warehousing and other support buildings, and better surface connections to regional supply routes, which can serve both community needs and Canadian Armed Forces mobility. Eligibility covers Yukon, the Northwest Territories, Nunavut, Nunavik, and Nunatsiavut.
What this means for Airports
For TDCF proposals, airports can credibly frame a project around export reliability and intermodal flow. Examples include air‑to‑road cargo interfaces that cut truck dwell and apron cycle times for goods bound to Asia or Europe, cold‑chain upgrades that reduce spoilage risk on perishables moving through a regional gateway, and landside access improvements that unlock last‑mile constraints to nearby rail or inland port nodes. The program architecture and the government’s announcement language favour proposals that show quantifiable benefits to overseas trade and that resolve a corridor bottleneck with multiple partners at the table.
For the AIF, the government’s Northern plan offers a clear signal of airport‑relevant dual‑use assets that are in scope. The Prime Minister’s March 12, 2026 announcement describes upgrades at Forward Operating Locations and a new network of Northern Operational Support Hubs and Nodes, with examples that translate directly to civilian airports: airfield upgrades, hangars, fuel and ammunition storage, accommodations and warehousing, IT and general support buildings, plus surface connections that tie the airfield into supply routes. For AIF proposals, ensure the project falls within the eligible regions and that the benefits are clearly dual‑use in nature, as set out in the government’s announcement and program framing.
Why small and mid-sized airports can uniquely benefit
Smaller airports often sit exactly where corridor gaps are most acute. They can unlock reliability in first‑mile and last‑mile segments that large hubs cannot easily reach, and they can do so with projects that are modest enough to deliver on shorter timelines and at lower capital cost, which aligns well with Transport Canada’s objective of relieving congestion and addressing trade‑limiting gaps. The TDCF explicitly permits repayable and non‑repayable contributions and can be blended with other financing, which helps airports right‑size the capital stack for projects that generate a mix of commercial and public benefits.
Moreover, Stream 2 and Stream 3 of the TDCF are designed to tackle specific bottlenecks and regional growth gaps. That is where a regional gateway can be decisive, for example by adding refrigerated cross‑dock capacity to stabilize perishables from agri‑food producers or by reconfiguring an apron and access road to improve truck turn times to an inland port. These interventions show corridor‑level benefits without requiring megaprojects at national hubs. In short, Stream 2 and Stream 3 of the TDCF are engineered for targeted, right‑sized fixes, and the ability to use repayable or non-repayable or blended contributions lets smaller sponsors build a capital stack that fits their cash flows and public benefits.
For Northern and remote operators, the AIF provides a channel to fund dual‑use facilities that communities rely on daily and that also enable CAF operations when needed. Airports that demonstrate Indigenous partnership, improved access to essential goods and services, and enhanced emergency response will be well aligned with the AIF’s stated objectives and eligible geography.
Proposals & Additional Information
The calls for proposals opened on March 4, 2026 and are available, along with full criteria, application guidance and timelines on the following Transport Canada webpages:
Those seeking additional information should be aware that Transport Canada will be offering webinars in both English and French on the TDCF. Times and registration details can be in the TDCF link above.
Further Reading
Transport Canada. Government of Canada launches calls for proposals for the $5 billion Trade Diversification Corridors Fund and the $1 billion Arctic Infrastructure Fund (news release, March 4, 2026).
Transport Canada. Trade Diversification Corridors Fund (program page and applicant portal).
Transport Canada. Arctic Infrastructure Fund (program page and applicant portal).
Prime Minister of Canada. Prime Minister Carney announces ambitious new plan to defend, build, and transform the North (news release, March 12, 2026).