Sorry about the long post, just wanted to get this all written down. This flyover business has obviously been bugging me, and I was asking a lot of questions that I have at least partially answered with some further reading...
Part 1 of the East Extension EA talks about the reasoning for the LRT alignment to be either north of the highway, in the median, or south of the highway. Here is what they have to say about the segment between Blair and Montreal Stations (this is before the alignment was "improved"):
Quote:
The following discussion summarizes the rationale for why the Hybrid Alignment, including locating the LRT on the north side from Blair to Montreal and then transitioning the LRT into the highway median from Green’s Creek easterly to Trim Road, is preferred from the perspective of each of the criteria groups used in the evaluation.
Social: The Hybrid Alignment places Montreal Station and a potential future station in the vicinity of Gloucester High School closer to residential homes between Blair Station and Montreal Road, providing a higher level of service to these communities by allowing for shorter, more efficient connections to the LRT than if the station were in the median along this stretch, as no residential development exists to the south....
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So at this point they are discussing why the original alignment was north of the highway. As is obvious, the northern alignment improves access to where the users would be located. On the next page (not quoted) they talk about how the transition to the median at Montreal Road was abandoned due to high costs and poor soil conditions. They explored three alternative transition locations:
Quote:
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Three alternatives were evaluated, including a cut and cover (tunnel) option under HWY174 westbound lanes just west of Montreal Road, a flyover (bridge) option just west of Montreal Road and a flyover option in the vicinity of the existing eastbound Transitway structure over HWY 174 near Gloucester High School.
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I was previously questioning why didn't they go with the alternative that locates a flyover just west of Montreal Road (i.e. a flyover further east than the current alignment shows). Here is why they say they chose the flyover further west:
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The second flyover option evaluated was located near the existing Transitway structure. This location takes advantage of better foundation (soil) conditions and makes use of the existing embankment that carries the East Transitway up to the eastbound structure over HWY 174.
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Essentially, soil conditions and cost was the reason the flyover is further west.
Here is what they have to say about protecting for the Gloucester High School Station:
Quote:
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Also, the Recommended Plan would result in the future potential station east of Gloucester High School being located in the median of HWY 174,resulting in additional costs associated with a pedestrian structure needed for access.
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Quote:
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Approximately 800 m east of Blair Station, protection for a future station (beyond 2031) is proposed in the vicinity of Gloucester High School, in response to public comments regarding desirability for an additional station between Blair and Montreal Road. The station would need to be implemented in conjunction with future road realignment to provide sufficient median width to accommodate the platforms. Access to the station would need to be provided via adjacent properties to the public roadways to the north. Future transit oriented development (TOD) potential in the area, good station spacing, and convenient access to Gloucester High School, the adjacent community centre and recreational facility will support eventual construction of this station.
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The second quote is the most damning. Firstly, it acknowledges that the current plan would require highway re-alignment to implement the future "protected" station. If anyone asks for the "protected" station in the future the City will inevitably point to the high cost of highway re-alignment as their reason for not building the "protected" station. Secondly, it shows the City only cares about future TOD potential. Reading between the lines, they envision TOD both on City owned lands to the west, and also TOD that redevelops that pesky low-income neighbourhood (that somehow ended up on a transit line) in to a community where nice upper middle class people can live. Only once they've re-developed the low-income people out of the area can they build a station. Who cares about the high existing transit ridership in Jasmine Crescent (sarcasm). In fact, they mention "Jasmine Park" only once in the entire document. They talk about Jasmine Creek and the Jasmine Park ravine more than they talk about the community.
In summary:
Why is the flyover so far west? Cost and soil conditions.
Did they consider Jasmine Park? Yes, as development potential.
Do they care about the people of Jasmine Park? No.