Quote:
Originally Posted by woob
How does the maintenance cost of tunnel versus elevated compare? Are we saving short term money to spend more long term?
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The studies from 2016 for the sections from the north and the beltline had noted that tunnels were the most expensive capital and operating option, with elevated in the middle.
North:
https://pub-calgary.escribemeetings....ocumentId=8290
Beltline:
https://pub-calgary.escribemeetings....ocumentId=7676
Because of cost, the northern part of the tunnel from 20th Av N to Eau Claire had already been cut in 2020 and reducing the length by 40%.