Quote:
Originally Posted by 4X4
As for the fear of a terrorist attack in the tunnel... Um, what? Why? Because it's under a runway? As if there aren't thousands of tunnels in NA that go under buildings and other juicier targets, the terrorists would target a 2x2 lane road in Calgary and get maybe 20 cars and if they timed it well enough, they'd got a loaded plane landing in the ditch. Riiiight.
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Any bomb that would be powerful enough to take out a bridge that holds up a loaded plane moving at 500km/h would be FAR more effective somewhere else. The bridges that would be built there would pretty much be the strongest structures in the city. Seriously, the bomb required to do damage to the bridge would have to be huge.