One of the biggest misconceptions surrounding the Mississauga Transitway, and to an extent the City Centre Terminal (CCT) itself, is that the CCT was placed where it was at the expense of a station elsewhere, or that it was built solely to justify the transitway or vice versa.
CCT was the first of three stations planned for the City Centre, and also the only of the three built before the 2003 design update value engineered the planned tunnel through the city centre and the stations out of existence.
The 1990 design for the City Centre segment of the transitway, which was to be tunneled, included three stations all fully below grade. West Station at Confederation, Centre Station roughly where CCT is now, and East Station at Hurontario. The Centre Station/CCT was first proposed closer to Duke of York and would have been fully below grade. The proposed West Station at Confederation was eliminated from the design by 1992, but the East Station at Hurontario remained. While CCT was built in 1997 and above grade, at that point the transitway design throughout the City Centre still called for a tunnel and the East Station at Hurontario, so it was designed and built to accommodate a future tunnel and lower level platforms as discussed above.
City Centre Busway Technical Status Report (May, 1990)
Alternative 3 is what was chosen as the City Centre alignment with the three stations as noted above (Mavis Station was not considered part of the City Centre which is why it isn't shown).
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Proposed Centre Station (CCT). While the CCT built in 1997 was above grade, it was designed to accommodate the proposed tunnel and platforms at lower level.
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East Station at Hurontario, which remained in the design until the 2003 design update.
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The
1992 EA maintained the vast majority of the project, but did drop Confederation and Glen Erin Stations due to proximity reasons, as well as Mississauga Road Station due to "character" and resident concerns as drum118 noted.
The 2003 EA was a big blow to the transitway design, as in a bid to cut costs the tunneled portion in the city centre was eliminated as well as the Hurontario Station. It also eliminated the busway portion between City Centre and Erin Mills, as well as Mavis, Creditview and Ridgeway Stations. There was a proposal to have the transitway buses stop at an above grade stop where Station Gate Road is now, with a underground pedestrian tunnel connecting to CCT, but this was also dropped.
In my personal opinion completing the transitway as envisioned in the 1990 and 1992 designs, with the city centre tunnel, full right of way along the 403 and stations at Hurontario, Mavis, Creditview and Ridgeway should be the #1 priority and would make Mississauga's transit network massively more useful with a complete east-west spine. With that MiWay could easily implement a frequent grid network with easy transfers to the transitway running very frequent service. The fact the transitway was not completed as designed is what really limits its usefulness. I have no qualms in saying that the money being spent on the LRT loop would be far better invested in completing the transitway with frequent bus service connecting to the LRT at Hurontario Station (or one of the other LRT stations. But the loop is the politically sexy thing to do right now.