The elevators to the line could reach all the way down to the underground parking left over from the ol dhospital.
The concrete columns supporting the rail line could be made from recycled concrete pre-cast into 20 ft panels secured by a central beam that is raised or lowered to level the line.
Each set of concrete panels could be braced by a graceful timber bridge-trus that would also provide some flexibility under lateral stresses.
At night each panel could be lit from below to assist in navigation and saftey and also to provide a dramatic accent on the city skyline.
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