this post was submitted on 07 Sep 2023
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[–] Nouveau_Burnswick 5 points 1 year ago* (last edited 1 year ago) (1 children)

$1-3m / km. So 60 km of 2 lane road would cost $60-180 million. Probably on the higher end for Montréal being an urban area.

But roads can cost as over $5Bn for 1.7km (looking at you Gardener Expressway). So $2,941 million /km for however many lanes that is.

These bike lane in particular are probably more expensive than brand new lanes, as they also require road adjustments.

[–] [email protected] 6 points 1 year ago (1 children)

Bikes don't cause potholes, so maintenance is cheaper.

[–] Nouveau_Burnswick 3 points 1 year ago

Yeah, those are just construction costs.

Road maintenance bills are quite high.

A bike path only needs SNIC and a rebuild after 30 years.