Broadway Subway - Millennium Line Extension to Arbutus | U/C

[VancouverOfTheFuture]

Originally Posted by scottN

You can if the tube is big enough to fit the train and a platform inside it.

theoretically you could probably use a regular machine and then carve out the stations, like mining. though i don't know how realistic that is or cost effective. i am sure ground conditions would play a factor as well.

at some point you would need something above ground anyways.