Posted Dec 6, 2012, 9:29 PM
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Registered User
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Join Date: Jun 2009
Location: Aylmer, QC
Posts: 6,879
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i wonder how it worked when montreal built the ville-marie tunnel....i don't think there was an existing expressway on that route, i think they built it under existing real estate. the opposite of what we are talking about here, yet similar in design.
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