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The St. Lawrence Economic Development Council (SODES) mandated the engineering consulting firm CPCS to conduct a study on transport’s external social costs on Highway 138, more specifically, the sector between Tadoussac and Sept-Îles.

The study presents the external costs generated by road transport on the North Shore, that is, the costs generated by the highway’s users but paid for by society as a whole. External social costs include costs associated with traffic-related accidents, pollution (greenhouse gas emissions), road maintenance on the section studied, congestion and noise.

Download the Summary in English

Download the study on the North Shore road transport’s external social costs, August 2018 (French only)