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Peter Lougheed Wildlife Overpass
Peter Lougheed Wildlife Overpass
Highway 1, Canmore, Canada
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Other Projects by DIALOG
Peter Lougheed Wildlife Overpass
Highway 1, Canmore, Canada
The Trans-Canada Highway east of Banff National Park, through the Bow River Valley, is one of Alberta’s busiest roadways, carrying an average of 22,000 vehicles per day and peaking at 30,000 in summer. As a critical access point to the Canadian Rockies and a connection between Calgary and nearby communities, it has also long been a hotspot for animal-vehicle collisions (AVC) involving deer, elk, and bears. Across Canada, AVCs cause up to CAD $200 million in damages annually. Beyond collision risks, the highway disrupts wildlife movement through the Bow River Valley, creating a barrier to natural patterns and habitat connectivity.
To address these challenges, DIALOG was contracted by Alberta Transportation and Economic Corridors to design the Peter Lougheed Wildlife Overpass, Alberta’s first wildlife overpass outside the national parks, providing safer passage for wildlife and motorists. The structure integrates innovative de sign and construction elements that blend with the natural environment while responding to regional challenges.
Key features include:
Overpass Design: An arch span designed to accommodate a future third lane, ensuring the overpass is prepared for eventual expansion of Highway 1.
Steel plate corrugated arches: Selected for durability, cost effectiveness, and ease of transport, these arches are backfilled with locally sourced granular material to minimize environmental impacts and simplify construction logistics.
Aesthetic integration: The design incorporates beveled ends and concrete collars that blends the overpass into the landscape, evoking a natural mountain tunnel.
Wildlife-safety features: The overpass is equipped with a continuous wildlife fence and three earth berms planted with native trees, shrubs, and grasses. These berms reduce noise and light pollution to improve animal comfort, while supporting long-term ecological function and climate resilience.
This project represents a novel approach to wildlife crossing design, advancing engineering methodologies and setting a new standard for integrating infrastructure, wildlife safety, and ecosystem connectivity.
To address these challenges, DIALOG was contracted by Alberta Transportation and Economic Corridors to design the Peter Lougheed Wildlife Overpass, Alberta’s first wildlife overpass outside the national parks, providing safer passage for wildlife and motorists. The structure integrates innovative de sign and construction elements that blend with the natural environment while responding to regional challenges.
Key features include:
Overpass Design: An arch span designed to accommodate a future third lane, ensuring the overpass is prepared for eventual expansion of Highway 1.
Steel plate corrugated arches: Selected for durability, cost effectiveness, and ease of transport, these arches are backfilled with locally sourced granular material to minimize environmental impacts and simplify construction logistics.
Aesthetic integration: The design incorporates beveled ends and concrete collars that blends the overpass into the landscape, evoking a natural mountain tunnel.
Wildlife-safety features: The overpass is equipped with a continuous wildlife fence and three earth berms planted with native trees, shrubs, and grasses. These berms reduce noise and light pollution to improve animal comfort, while supporting long-term ecological function and climate resilience.
This project represents a novel approach to wildlife crossing design, advancing engineering methodologies and setting a new standard for integrating infrastructure, wildlife safety, and ecosystem connectivity.
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