Posted May 24, 2019, 9:37 PM
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Registered User
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Join Date: Jul 2001
Location: Vancouver
Posts: 41,489
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... then someone (City of Richmond) will realize that a twinned tunnel will have a wider footprint and eat up more farmland than a new bridge over top of the old tunnel alignment... and if it's bored, it'll be deeper and have longer approaches than the existing tunnel (especially if the grades have to accommodate rail transit).
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