Re “Trolley-to-airport extension coming to San Diego” (Dec. 17): San Diego Metropolitan Transit System wants to build an airport trolley extension sometime in the next 10 years, at a price tag of $1.5 billion to $2 billion.
Why spend that much money when an underground terminal train connecting to public transit, like those used by many other airports, could likely be completed for less than 10 percent of that cost?
For reference, there are two existing trolley stations within 1,000 feet of the airport boundary. Elon Musk’s Boring Company estimates its underground transit tunnel construction cost at $10 million to $20 million per mile, and it recently completed a project of similar scope in Las Vegas for $52.5 million. You do the math.
A trolley extension might be flashy and visible, but it would essentially just be wasting billions of dollars so that our politicians could look good.
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