The tunnel like other things were cut from the plan due to cost during the bidding process, as cost were exceeding the budget cost. If Brampton wanted to maintain the tunnels, they would had to foot the cost to do so.They don't seem interested in a tunnel anymore. Since December 2018 they've talked about relocating the station to the north side of Steeles, just like the HMLRT EA had shown it. So it'll be interesting to see what publicly comes out next from that recent reference to design work that was passed by Brampton Council recently.
The pedestrian tunnels under Steeles may have been cut from the plan behind the scenes, but it was never publicly confirmed it was even part of the "plan" between when Brampton Council said no to LRT on Main St in October 2015, and when the Hurontario cuts by the Ford government happened in 2019 (or 2018?). There was only one staff report between those years indicating it was being requested.The tunnel like other things were cut from the plan due to cost during the bidding process, as cost were exceeding the budget cost. If Brampton wanted to maintain the tunnels, they would had to foot the cost to do so.
Extending the tracks to the north side should cost about $100,000, with the cost of the station remain the same, since it only been relocated from the south to the north. Who pay for this extra cost is unknown at this time, but Brampton could be on the hook, but more likely the contractor.
What happen going north of the station is still in Brampton control, but it should be surface up to the creek as per the original EA. From there to GO is still the unknown at this time. If it is to be tunnel, Brampton on the hook for about 90% of the cost. If the line use 2 streets, Brampton will be on the hook for most of the cost of one street. If it goes back to the original plan, Brampton could be on the hook for the increase cost to build the line.
As to when the extension could happen is up to Ford, but could happen after the main section is build or during the construction of it, but open up after the main section does. Then it could be way down the road.
Here’s a small update on this from the 2020-2021 Metrolinx Business Plan. An Initial Business Case will be completed.This is exactly what is happening, it's all part of the TPAP for the downtown Mississauga transit terminal and Transitway connection.
I have a couple more images from 2018 that show the plans for it, the new terminal is supposed to be on the site of the Playdium parking lot, with the Transitway looping around it, most likely underground. The transit terminal project and the HuLRT are separate in scope and at completely different stages, which is why we see a crappy looking City Centre station at the moment. I have no doubt that we will see the integration of the stop into a much more comprehensive transit terminal building.
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