Isn't the "it's too expensive" the kind of thinking that gets us into these kind of situations to begin with. Imagine how cheap it would have been to subway the red line when it was first run through. Expensive AF then, but shoulda done it.
It's not quite the same thing because you have utilities crossing everywhere and connecting to each building along the roadway. A development generally has a contained empty lot you can drive shoring around the entire perimeter..