# Arteris likely to retain BR-101/RJ as Brazil tests new highway model

*Single-bid tender marks next step in Brasília’s push to overhaul road concessions via TCU-backed renegotiations; revamped deal carries R$10.1 billion in investments.*

- Published: 2025-11-09
- Updated: 2025-11-10
- Section: Insights
- Tags: arteris, highways, roads
- URL: https://brazilstockguide.com/insights/arteris-br101rj-simplified-auction/

![Autopista Fluminense, Arteris](https://i0.wp.com/brazilstockguide.com/wp-content/uploads/2025/11/with-215234.jpg?fit=1024%2C682&ssl=1)

*Autopista Fluminense, Arteris*

![](https://i0.wp.com/brazilstockguide.com/wp-content/uploads/2025/11/br-101.png?resize=683%2C1024&ssl=1)

**By Brazil Stock Guide –** Brazil is taking another step in its experimental wave of road concession overhauls. The **BR-101/RJ**, known as **Autopista Fluminense**, will go to auction on **Tuesday (Nov. 11)** under a simplified, TCU-approved framework that rewrites the rules of federal highway contracts. With **Arteris** as the **sole bidder**, the company is set to remain in charge of the 322-kilometer stretch linking **Niterói** to the **Espírito Santo border**, one of the key corridors connecting Rio’s oil basins to ports and industrial hubs.

### A new way to fix old contracts

The Fluminense deal is part of a broader initiative led by the **National Land Transport Agency (ANTT)** and the **Ministry of Transport**, designed to rescue or “reoptimize” concessions that had become financially strained. Rather than re-bidding assets from scratch, the government has been using a **TCU-endorsed “consensual renegotiation” model**, known internally as the **SecexConsenso** process.

The BR-101/RJ marks the **third simplified tender** of this kind, following **MSVia (BR-163/MS)** and **Eco101 (ES-BA)** — both of which also drew no competing offers. This time, however, the government introduced new transparency and data-access rules meant to lower entry barriers.

### Regulatory sandbox and data access

Under the revamped terms, ANTT — not the concessionaire — now manages the project’s **data room**, hosting all engineering and financial information **free of charge** to potential bidders. The change replaced the previous model, where companies had to pay high fees to access documentation, a move officials believe deterred newcomers in earlier rounds.

The agency also adopted the **“sandbox” regulatory environment**, allowing it to test contractual innovations such as **digital tolling (free-flow)** and new governance clauses. The updated reference term approved in August sets stricter control over information flow, encrypts sensitive project data, and mandates independent technical audits before final approval.

### The economics behind it

The revised contract projects **R$6.0 billion in capital expenditures (CAPEX)** and **R$4.1 billion in operating costs (OPEX)**, yielding a regulated **internal rate of return (IRR) of 10.42%**. Over the 22-year concession, Arteris is expected to deliver **49.5 kilometers of new duplications**, additional lanes, and safety upgrades such as pedestrian bridges, access interchanges, and bus stops.

Those metrics are embedded in a new **economic-financial model (MEF)** created with the TCU to stabilize returns, prevent litigation, and align incentives between the government and private operators.

### Why there was only one bidder

While the model is meant to encourage competition, the BR-101/RJ remains a complex asset. Traffic volumes are lower than on highways closer to São Paulo, and several segments cut through **areas affected by organized crime**, adding operational risk and higher insurance and security costs. For many players, those factors outweigh the upside of the new rules.

Arteris, which **originally requested to return the concession in 2020**, reversed its decision after the introduction of the renegotiation framework and is now expected to remain as operator. The company’s experience in the region — and its sunk investments — make it the natural candidate for continuity under the new structure.

### A broader experiment in motion

The Fluminense auction will be **the ninth federal road tender of 2025**, reflecting Brasília’s effort to re-energize infrastructure investment without restarting projects from zero. More contracts from Arteris, including **Fernão Dias (BR-381/SP-MG)** and **Régis Bittencourt (BR-116/SP-PR)**, are next in line for similar treatment.

If the approach succeeds, it could become the blueprint for a new phase of Brazilian concessions — one that blends **renegotiation, regulation and competitive testing** instead of the traditional cancel-and-rebid cycle that often paralyzes projects for years.

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Source: Brazil Stock Guide, https://brazilstockguide.com/insights/arteris-br101rj-simplified-auction/