Elon Musk has revived interest in the idea of a transatlantic tunnel, proposing that his company, The Boring Company, could build an undersea tunnel connecting New York City and London for $20 billion. This ambitious project, previously dismissed due to enormous costs and technical challenges, is gaining attention as Musk combines innovations in tunneling technology with his Hyperloop transportation system.
The proposed tunnel would span over 3,000 miles (4,800 kilometers) beneath the Atlantic Ocean, potentially reducing travel time between the U.S. and the U.K. to less than one hour, compared to the current eight-hour flight time. Musk argues that advancements in tunneling methods, automation, and cost-effective materials could make the project feasible for a fraction of previous estimates, which reached around $19.8 trillion.
The proposal relies heavily on Hyperloop technology, which uses vacuum-sealed tunnels and magnetic levitation (maglev) to propel pods at speeds over 3,000 mph. This technology could revolutionize travel and create unprecedented intercontinental connectivity.
However, experts are cautious about the project’s practicality. The 3,000-mile tunnel under the Atlantic presents several challenges, including:
- Technical Feasibility: Overcoming oceanic pressure, seismic risks, and harsh underwater conditions.
- Cost: Even Musk’s $20 billion estimate is seen as overly optimistic, with funding concerns.
- Technology Readiness: Hyperloop is still largely experimental and unproven at this scale.
- Environmental Impact: Potential disruptions to marine ecosystems and carbon emissions during construction.
- Regulatory Challenges: Coordinating a project of this magnitude across multiple governments and agencies will be complex.
While the idea is exciting, experts remain cautious about its realization.