The Future of Lisbon's New Airport: Key Infrastructure Developments Ahead
Observador4 months ago
970

The Future of Lisbon's New Airport: Key Infrastructure Developments Ahead

Politics
lisbon
transport
infrastructure
airport
highspeedrail
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Summary:

  • New Airport of Lisbon (NAL) construction finally decided after over fifty years of analysis.

  • Integration of High-Speed Rail (AV) with airport infrastructures is essential for effective transport policies.

  • A new Tagus railway crossing is urgently needed to support NAL and AV connections.

  • The Chelas-Barreiro vs. Lisbon-Montijo crossing debate continues to be controversial.

  • An immersed tunnel is proposed as the most environmentally friendly and cost-effective solution.

The Long-Awaited New Airport of Lisbon

After over fifty years of analysis, the construction of the New Airport of Lisbon (NAL) at the Alcochete Shooting Range has finally been decided. This project has been four decades delayed compared to Spain, but it also brings the promise of a new High-Speed Rail (AV) network that is expected to be in European gauge.

Integration of AV and Airport Facilities

Integrating AV with major airport infrastructures is a decisive objective for effective transport policies worldwide, particularly concerning passenger traffic. The new AV line connecting Porto and Galicia to the Sá Carneiro Airport is essential for serving populations, tourism, and business, enhancing Porto's centrality in the Northwest Peninsula.

Opportunities Amid Delays

Despite lamenting the significant delays, this presents a great opportunity to execute the project flawlessly, ensuring future generations view it favorably. To establish NAL as a major hub, intercontinental and regional connections must be supplemented by AV linking to key cities in Portugal and Spain.

Necessary Infrastructure Developments

A new railway crossing of the Tagus is urgently needed due to the NAL's location and the new AV network. Studies from two decades ago indicated that 60% of passengers traveling between the two banks of the Tagus could be efficiently served by a new Algés-Trafaria crossing. This would alleviate congestion on the 25 de Abril Bridge.

The Chelas-Barreiro vs. Lisbon-Montijo Debate

The discussion surrounding the Chelas-Barreiro crossing versus the Lisbon-Montijo crossing remains controversial. The government approved the NAL's location in Alcochete in 2008, but subsequent evaluations have often mismanaged mobility criteria. Proper prioritization would place AV and access to NAL first, suburban connections second, and long-distance services third.

The Optimal Solution for National Interests

The Lisbon-Montijo option appears to be the most beneficial for the country, aligning well with the NAL and facilitating AV connections. This strategy envisions Lisbon as a hub for AV, connecting with Porto, Madrid, and the Algarve.

Environmental Considerations in Infrastructure

The most cost-effective and environmentally friendly solution may be an immersed tunnel, as suggested for the Algés-Trafaria crossing. This exclusively railway option would not require ventilation openings, similar to existing tunnels in Marmara Sea and Scandinavian regions.

In summary, the integration of the NAL with a new AV network poses complex challenges that require thorough analysis and dialogue among stakeholders to ensure successful implementation.

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