In April 2008, Edmonton City Council approved $45 million in funding to build a tunnel under the Epcor Tower site immediately, while it was still under construction, with the aim of saving $140 million more than would have been required to dig under the tower once it was completed.
In April 2008, Edmonton City Council authorized $45 million in funding to construct a tunnel beneath the Epcor Tower site while it was still under construction, with the goal of saving an additional $140 million compared to digging underneath the tower after its completion.