Quote:
Originally Posted by Busy Bee
^ Was going to say the same. I've never heard itvsuggested anywhere that a Roosevelt subway would be deep bored tunnel. It's nonsensical as the wide reserved right of way is right there just waiting to be excavated. I would imagine significant cost increase for TBM, let alone a cost advantage. And I'm not sure precast tunnel segments for a cut and cover subway would necessarily save money over cast in place when all factors are figured in. I could be wrong though. It's something that should be investigated.
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prefab stations probably do save some money, but I doubt it would be enough to make the difference between whether the line is built or not.
I have to say, for a Penn PhD candidate advocating for a major transit infrastructure project, he does not write very persuasively or eloquently.