Quote:
Originally Posted by arctk2014
::Also much cheaper to haul away a modest amount of dirt than to build an elevated structure, and you don't have to mess with all those power lines (although rerouting underground utilities could be necessary).::
I think testarossa50 was being sarcastic or rather you were?
The underground tunnel construction costs are way more prohibitive than an elevated structure. This portion of Northside Drive has already placed most of the utilities underground because of the stadium construction.
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Do you have a source for this?
We're not talking about relocating thousands of feet of utilities. In one project I had to relocate a dozen large diameter petroleum pipelines under an active road while keeping both the road and the pipes continuously operational. The whole relocation deal cost $2.5 million.
Given you've got overhead power lines to deal with, you're going to be cutting the earth open and burying/rerouting utilities no matter which route you go.
Turner Field has a pedestrian underpass. ADA compliant and you'd barely ever even know it's there:
Maybe it's just because I grew up in Peachtree City where they just use large diameter corrugated metal pipes for golf cart path tunnels in dozens of locations around the city, but they don't strike me as hellaciously expensive nor particularly dreary.