Elon Musk’s Boring Co. proposes tunnel to Ontario airport as alternative to light-rail

Elon Musk’s The Boring Co. proposes digging a 2.8-mile underground tunnel linking Rancho Cucamonga with Ontario International Airport as an alternative to extending a light-rail system from Pomona, San Bernardino County transportation officials said.

The sub-surface people-mover project would be the first of its kind in San Bernardino County and could replace stalled plans to construct an above-ground extension of the L Line (formerly Gold Line) light-rail that currently ends in Los Angeles County. Other projects on a preliminary list of alternatives to the L Line include a zero-emission train from a Metrolink Station off the San Bernardino Line or a connection from the Riverside Metrolink Line, which has a stop south of Ontario airport.

At $60 million, the proposed tunnel from Rancho to ONT would cost considerably less than the $1- to $1.5-billion light-rail extension from Pomona and could be built in three to four years rather than the 10 years it would take to bring the L Line to the airport, according to the San Bernardino County Transportation Authority.
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