September 28th anniversary
On September 28, 1993, the Argentine Ministry of Economy and the Autopistas del Oeste (Western Highway) signed a concession contract, under which the private company was to build, improve, repair, conserve, expand, remodel, maintain, manage, and operate the Western Access Highway, which at the time extended from Morón to Luján. Let's read the full story.
The Western Access Highway is a key roadway in Greater Buenos Aires, connecting the Autonomous City of Buenos Aires with the western area of Greater Buenos Aires. Its construction and development have been key to the transformation of the urban landscape and the social and economic dynamics of the region. It represents a dynamic alternative to the traditional Route 7, which crosses densely populated areas of Greater Buenos Aires.
Origins and Construction
The idea of building a highway connecting Buenos Aires with the western region arose in the mid-20th century, in response to the growing need to improve connectivity and relieve congestion on traditional routes. The highway's construction was carried out in stages, facing various technical and social challenges.
Main milestones in its construction:
- Expropriations: The construction of the highway involved the expropriation of large tracts of land and homes, which had a profound impact on local communities.
- Engineering works: Major engineering projects, including bridges, tunnels, and viaducts, were built to overcome geographical obstacles and ensure the flow of traffic.
- Extensions and modernizations: Over the years, the highway has undergone various expansions and modernizations to adapt to increasing traffic flow and new road safety standards.

Social and Economic Impact
The Western Highway has had a profound impact on the lives of millions of people and on the economic development of the region:
- Connectivity: Connectivity between the City of Buenos Aires and the western districts has improved, facilitating the movement of people and goods.
- Urban development: It has boosted the urban development of the towns along its route, creating new shopping centers, residential neighborhoods, and industrial zones.
- Economic growth: It has contributed to the region's economic growth by facilitating the transportation of products and attracting investment.
- Changes in mobility patterns: It has changed the mobility patterns of residents of the western region by offering a faster and more comfortable alternative to traditional routes.
Current and Future Challenges
Despite its importance, the Western Access Highway faces challenges such as traffic congestion during peak hours, the deterioration of some sections, and the need to adapt to new mobility demands.
Future challenges include:
- Expansion and modernization: The need to expand highway capacity and improve its infrastructure to cope with the growing traffic flow.
- Sustainability: The search for solutions to reduce the highway's environmental impact, such as promoting public transportation and implementing energy efficiency measures.
- Integration with other routes: The need to integrate the Western Access Highway with other communication routes, such as rail and bus lines, to create a more efficient transportation network.
The Western Access Highway is much more than a simple transportation route. It is a milestone in the history of Argentine infrastructure and a symbol of the development and transformation of the western region of Greater Buenos Aires.

The ICSID Judgment
The International Centre for Settlement of Investment Disputes (ICSID) is an international institution responsible for resolving disputes between foreign investors and States. This tribunal, affiliated with the World Bank, provides a legal framework for resolving conflicts related to international investments, seeking peaceful and fair solutions.
The trial between Autopistas del Oeste and the Argentine State
Autopistas del Oeste, as a company with foreign investments, has been involved in an ICSID lawsuit against the Argentine State, brought by its parent company, Abertis. This conflict stems primarily from disagreements related to the terms of the highway concession, such as toll updates, required investments, and other contractual aspects. It has been linked to and conducted in parallel with the lawsuit against its "sister" company, Autopistas del Sol, which holds the concession for the Pan-American Highway and General Pa. Avenue.
What are the grounds for the trial?
The reasons why Autopistas del Oeste has taken the Argentine State to ICSID are varied and complex, but generally center on:
- Breach of contract: The company argues that the State has failed to fulfill its obligations under the concession contract, resulting in economic losses for the company.
- Regulatory changes: It is alleged that changes in Argentine legislation have negatively affected the operating conditions of highways, creating an imbalance in the contractual relationship.
- Indirect expropriation: In some cases, the possibility of indirect expropriation has been raised, citing government measures that would have diminished the value of the investment.
¿Cuáles son las implicancias?
The consequences of this litigation are significant for both Autopistas del Sol and the Argentine State:
- Economic impact: The sums at stake in these types of lawsuits are often large, which can have a significant impact on the country's public finances.
- Investor uncertainty: ICSID litigation may create greater uncertainty for foreign investors, which could discourage future investment in the country.
- Bilateral relations: Conflicts of this type can strain bilateral relations between Argentina and the investors' countries of origin.

What was the outcome of the trial?
An agreement was reached in 2018 in exchange for a contract extension; however, due to further breaches by the Argentine government, the dispute was reopened and remains unresolved.
It is important to note that ICSID proceedings are often lengthy and complex. The final outcome of the lawsuit between the Highways and the Argentine State has not yet been determined and may vary depending on the specifics of the case, any appeals, and the tribunal's decisions.
What can we expect in the future?
The resolution of this type of dispute could have a lasting impact on the regulatory framework for highway concessions in Argentina and on the way relations between the state and private companies are managed. This case is likely to serve as a precedent for future negotiations and conflicts in the sector.
How has the stock fared during this time?
Although the stock has had periods of underperformance, especially due to the country's difficult political situation, it is important to note that the Argentine peso has devalued significantly over the last five years., the stock has risen a spectacular 4165% to 1060 Argentine pesos, in line with improvements in its toll collections, the possibility of a rate increase, and the possible resolution of the dispute before the ICSID. It is a highly arbitrated action with its older sister, Highways of the Sun.
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