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The tunnels under the San Gabriel Mountains is an optional alignment that is being studied by the CHSRA at the request of the residents who live in affected are
by djcapelis 11y ago
The tunnels under the San Gabriel Mountains is an optional alignment that is being studied by the CHSRA at the request of the residents who live in affected areas.
It may indeed not be cost-effective, at which point one would assume the CHSRA will go with a different alignment. (The others of which have been studied for longer. This tunnel alignment is a new option they wanted to study before finalizing the route for this stage.)