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Old Posted Oct 31, 2017, 3:46 PM
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Originally Posted by Car(e)-Free LA View Post
The thing is, it is physically impossible to build HSR on coast from Laguna Niguel to San Onofre and from Solana Beach to San Diego without massive tunneling, so there isn't much of an advantage to routing through South OC over LA-Anaheim-Corona-Temecula-Esocondido-San Diego. Routing all the way through Riverside/San Bernardino is just stupid, however.
Is the coastal route physically impossible due to geographical features or NIMBYs?

The preferred inland -- 15 freeway corridor -- for CAHSR consists of major physical hurdles. I don't know what the exact route is, but the drive from Temecula to Escondido is steep and mountainous, more so than the coastal route.
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