Gartnerløkka, Kristiansand's urban node

The 1.4 km-long redevelopment of the existing E18/E39 highway crossing replaces outdated bridges and roads with a modern, multi-modal transport corridor that prioritises pedestrians, cyclists, and public transport, while integrating seamlessly with the surrounding landscape.

Project details

Client

Eiffage

Completion

2029

Location

Kristiansand, Norway

Partners

Henning Larsen

Aerial view of Kristiansand showing the Gartnerløkka area, where Ramboll is transforming the E18/E39 corridor to reconnect urban development with surrounding nature and coastline.

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Connecting to nature

The landscape architecture on Gartnerløkka reduces the highway’s barrier effect by creating seamless connections between Kristiansand’s city center and surrounding green areas. Carefully designed zones that transition from urban landscapes to forested environments, integrating nature into the city. This helps enhance accessibility, encourages outdoor activity, and fosters a healthier urban ecosystem while maintaining efficient traffic flow.

The landscape architecture on Gartnerløkka reduces the highway’s barrier effect by creating seamless connections between Kristiansand’s city center and surrounding green areas. Carefully designed zones that transition from urban landscapes to forested environments, integrating nature into the city. .....

“The E18/E39 Gartnerløkka–Kolsdalen redevelopment is designed as a regional junction: it links surrounding towns and logistics flows directly into Kristiansand—our major urban hub—while integrating ferry and rail connections. The result is stronger mobility across the region and a safer, multi modal city interface.”

Francois Bonnafous

Project Director Eiffage

Connecting the West Coast via Kristiansand

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E39 is Norway’s busiest road running through the west coast while E18 extends the route to Sweden through Oslo. The Gartnerløkka project improves this busy connection, creating a faster, safer, and more efficient route. It adds active mobility, eases freight and commuter flow, and builds a modern, sustainable, multimodal transport network ready for the future.