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Originally Posted by Truenorth00
I look at the Fallowfield-Barrhaven Centre portion for example. If it's to be built, why grade separate? Just put gates across Berrigan and turn the entire portion south of Strandherd into an at-grade tramway. The fundamental problem with Barrhaven is that all the high and medium density development will not be near Fallowfield. Using buses then racks up a whole lot of passenger-miles on lower efficiency buses.
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That is why I said not to extend the O-Train beyond Terry Fox
or Fallowfield. Even if they did extend it to Barrhaven Centre, most of the grade separations are already complete. Berrigan is one of the very few exceptions (the only other two I see are within the Marketplace Mall parking lot). I don't see how billions can be saved by removing only 3 grade separations.
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Kanata does marginally (not by much though) better on this with a Terry Fox terminus.
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The cost differential between building to Eagleson vs. Terry Fox is miniscule since it is only about 2km from the new Eagleson/Terron Station and Terry Fox Station and all of the grade separations have already been built.
I can't help but wonder though if for the Kanata extension, they would be better off abandoning the pedestrian overpass to the Park and Rides at the new Eagleson/Terron Station and then use that money saved (and made from selling the land) to build a parking garage at Terry Fox Park and Ride.
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It's going to be a tough decision. If people have long bus rides to Fallowfield and Terry Fox, are they just likely to drive anyway? And can Barrhaven Centre develop into a proper dense node without LRT? On the other hand you build right to Strandherd and Hazeldean and do you end up with people moving even further away to Carp and Richmond?
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The thing is, unlike Orleans, which has been confined by the Ottawa River to the north and the Mer Bleue Bog to the south, Kanata and Barrhaven, have been spreading in 3 different directions, so extending in one of those directions would only be benefitial to a minority of those suburban residents. As a result, the extension suffers badly from the law of demnishing returns once you get into the suburb.
Interstingly, looking at where most of the growth is in Kanata/Stittsville is, if the EA hadn't had a requirement that the route must serve the CTC, extending through Bells Corners, along the old CPR line might have made more sense. I beleive it was the need to curl north to serve the CTC that killed the route.