Key Highlights

• Transurban reported that excluding the West Gate Tunnel in Melbourne, group ADT grew 1.6% in the quarter.

• In Sydney, ADT rose 3.0% to about 1.08 million trips.

• M7 traffic climbed 10.7% following the M7-M12 Integration Project, which opened in June 2026, while WestConnex rose 2.2%.

• Melbourne ADT rose 4.2% to about 875,000 transactions.

What does Transurban (ASX:TCL)'s latest traffic update tell investors about the toll road operator's growth, and why are Victorian toll-cap proposals now part of the conversation? The September quarter 2026 update, released on 21 October 2026, showed group average daily traffic (ADT) up 3.1% year on year to about 2.58 million trips, helped by newly opened projects. At the same time, political proposals to cap tolls have added a new uncertainty to a Business that is otherwise built on long-dated, inflation-linked cash flows.

What the latest update showed

Transurban reported that excluding the West Gate Tunnel in Melbourne, group ADT grew 1.6% in the quarter.

In Sydney, ADT rose 3.0% to about 1.08 million trips. M7 traffic climbed 10.7% following the M7-M12 Integration Project, which opened in June 2026, while WestConnex rose 2.2%. Melbourne ADT rose 4.2% to about 875,000 transactions. The West Gate Tunnel, which opened on 14 December 2025, carried about 37,000 trips a day, whereas CityLink excluding the tunnel was broadly flat at minus 0.2%.

Brisbane ADT rose 1.1%, with large-vehicle traffic up 3.6%. North America rose 4.7%, led by a 17.3% increase on the 495 Express Lanes, while the 95 Express Lanes fell 3.1%, partly because of nearby construction that Transurban expects to finish in the coming months.

What Transurban does and how it earns revenue

Transurban builds, owns and operates toll roads in Sydney, Melbourne, Brisbane and the Washington DC area of the United States. Revenue comes mainly from tolls paid by drivers, set under long-term concession agreements with governments. Many contracts include annual escalators linked to Inflation or fixed increases. Management said over 90% of revenue is subject to CPI-linked or fixed escalators, with inflation effects typically flowing through over up to 18 months.

Traffic volumes, heavy-vehicle mix and, in North America, dynamic pricing all influence results. The average dynamic toll rose 20.0% on the 95 Express Lanes and 47.4% on the 495 Express Lanes in the quarter, which shows how pricing can contribute alongside traffic.

FY26 results in brief

For the year ended 30 June 2026, Transurban reported statutory revenue of $3,895 million, down 1.5%, and statutory net profit after tax of $432 million, up from $178 million. Proportional toll revenue was $3,982 million, up 6.7%, and proportional EBITDA was $3,110 million, up 16.2%. Proportional operating EBITDA rose 7.5% to $3,063 million.

Free cash, excluding Capital releases and cash reserves, was $2,111 million, up 5.1%. The FY26 distribution was 69.0 cents per security, up 6.2% and covered 98.1% by free cash. The final instalment of 35.0 cents was paid on 18 August 2026.

Group traffic grew 2.2% for the year, or 1.4% excluding the West Gate Tunnel. Group Debt was $27,131 million, gearing was 37.4%, and the weighted average cost of Australian dollar debt was 4.8%.

Guidance and recent project milestones

Transurban guided to an FY27 distribution of 72 cents per security, about 4.3% higher than FY26. It also said free cash coverage was expected to be slightly below its 95% to 105% target range, reflecting M5 West ownership changes. Guidance is a company expectation, not a certainty, and depends on traffic, costs and the outcome of regulatory and policy developments.

The company completed several milestones over the year. These included the opening of the 495 Express Lanes Northern Extension in November 2025, the West Gate Tunnel in December 2025 and the M7-M12 Integration Project in June 2026. It also sold its remaining 50% interest in the A25 Motorway in Montreal on 15 June 2026. A NSW toll reform deal, referred to as the Direct Deal, was finalised in August 2026, subject to definitive agreements and approvals.

Sector conditions and competitive position

Toll roads tend to have defensive characteristics because Demand for major urban corridors is relatively steady and contracts are long. Transurban's scale and its network effects, where connected roads feed traffic to one another, are central to its competitive position. Competition is limited by concession terms, although traffic can shift between routes, as the Western Link's 1.7% decline after the West Gate Tunnel opened illustrates.

Infrastructure Assets are also sensitive to interest rates, because debt is large and long-dated cash flows are valued against bond yields. Transurban said it is monitoring geopolitical and macroeconomic conditions, including renewed conflict in energy-producing regions.

Risks and uncertainties

The most visible near-term risk is toll policy in Victoria. Labor announced a $30 weekly toll cap for 12 months from 1 January 2027 on 18 October 2026, while the Liberal Party announced a $50 weekly cap for two years from 1 July 2027 on 16 August 2026. Transurban said it does not expect a material traffic impact from Victorian policy settings announced to date.

Other risks include project delivery and cost, as with the planned Logan West Upgrade and M2-M7 widening, where formal documents were expected in the second half of 2026. Transurban also disclosed a vehicle classification issue on CityLink and the West Gate Tunnel, addressed in June 2026, which it does not expect to materially affect free Cash Flow or the FY27 distribution. In addition, it corrected North American traffic figures for July and August 2026 after a gantry reporting issue, lowering the August group ADT growth figure from 3.4% to 3.0%.

What to watch next

Transurban said it will publish monthly traffic data for the rest of 2026, giving regular evidence on whether the new roads are sustaining their contribution. Readers may also watch developments on Victorian toll-cap policy, the NSW Direct Deal documentation, the 95 Express Lanes construction completion and the half-year result, whose date should be confirmed on the company's investor calendar.

The central question is whether project-driven traffic growth and inflation-linked tolls can continue to support distributions, while policy and interest-rate pressures are managed. The answer will emerge gradually through traffic data, cash flow disclosures and the policy decisions that follow.