Quote:
Originally Posted by Mazrim
Just a thought...what makes building just the "shell" of the tunnel and not the roads with it any cheaper? The major expense of the whole thing comes from the tunnel itself (roads are pretty cheap in comparison), so not connecting the tunnel with a road that actually makes it useful is not going to save you a lot of money.
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Right now they can trench and then cover. If they wait until the runway is built and in use, they have to "tunnel".