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Originally Posted by roger1818
I disagree. If double track was so irreverent for freight, why would CN and CP have come up with "directional running" agreements for both the Fraser Canyon (between Ashcroft and Mission in BC) and in Northern Ontario (between Sudbury and Parry Sound), whereby all all eastbound trains use one railway's track and all west bound trains use the other's?
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Because those two corridors actually require double tracks much more so than the Kingston Subdivision does, because those two sections of track are part of the transcontinental corridor which is VERY long, so scheduling is very constrained; furthermore, there's both CN and CP traffic to worry about, whereas the Kingston Subdivision is CN only.
If it weren't for VIA traffic, CN would probably not even need the sidings, given that they only send freights through a few times a day and it only takes 4 hours to go from Toronto to Montreal.
This sort of directional running arrangement you described, however, been proposed for the tracks between Toronto and Belleville where the CN and CP lines are very close together; it's called the "Shannonville-Newcastle Line Consolidation" and it's mostly been advocated by the City of Belleville as a way to remove the CP corridor from Belleville's waterfront.
Quote:
Originally Posted by roger1818
While delays waiting on a siding may not be as big a deal for freight as it is for passengers, it still cost the railways money. It also limits the length of trains to the length of the sidings (which is actually one reason why VIA trains sometimes have to wait, is the freight train is too long for the siding).
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The sidings just have to be long enough. Building long sidings is still cheaper than building an entire extra track.
Quote:
Originally Posted by roger1818
It may not always be worth the cost of building double track, but if they already have it, they won't consider it irrelevant and freely give it up.
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That's not how CN and CP work, at all. They're always actively looking to get rid of any track they don't need anymore, or that they feel could be put to a more profitable use. CP tore up the tracks out Pembroke even though there were customers using it, because they figured those tracks could net a higher profit margin if repurposed to build new tracks around the Alberta oilpatch.