A world-class 18-stop light rail line will breathe new life into Northwest Toronto
Metrolinx Finch West Light Rail Transit
Arup is designing the Metrolinx Finch West Light Rail Transit project, a new 18-stop line now under construction in Northwest Toronto. The 11-kilometre (6.8 mi) LRT line will run along Finch Avenue West, starting from Keele Street in the east and terminating at Humber College’s North Campus in Etobicoke.
The C$2.5 billion Metrolinx project is being delivered in partnership with Infrastructure Ontario and Mosaic Transit Group (Mosaic), a joint venture between ACS Infrastructure Canada Inc., Aecon Concessions and CRH Canada Group Inc. via a DBFM (Design, Build, Finance, and Maintain) delivery model. In addition to 16 at grade stops and two terminus stations—the largest of which, Finch West Station, provides a direct link to downtown Toronto—the project includes construction of a large-scale maintenance facility and eight traction power substations, as well as the replacement of the Highway 400 Bridge.
Leading the field in integrated rail design
As Mosaic’s designer, Arup is leading the design and development of all permanent works. Our remit includes optimisation of the rail alignment, architectural and SMEP design of all stations and stops, integrated urban realm planning and bridge replacement. It also entails working with Mosaic and Metrolinx to identify solutions that meet the transit agency’s standard of excellence and enable the constructor to keep the project on time and within budget.
Slated for completion in 2024, the Finch West LRT line will significantly enhance connectivity throughout Northwest Toronto and improve access to the city centre. This massive public works project is a central pillar of the Metrolinx Regional Transit Plan and is expected to spur investment in several Northwest neighbourhoods currently prioritised for redevelopment.
Designing stations for people
Our station design team place a strong emphasis on designing a transit amenity that supports the safety and comfort of users and adds lasting value in the public realm.
The design scheme for the Finch West LRT project prioritises clean, simple lines and daylight illumination to create an experience of openness and security, an approach that supports both public safety and intuitive wayfinding. The line’s main station, Finch West, which serves as a gateway to Toronto’s larger transit network, effectively sets the overall tone for the traveller experience. It features a transparent façade, a series of skylights and an array of intrinsic architectural wayfinding features.
“We design stations for people. At Finch West Station, this means all aspects of the design—from the way individual spaces are curated and lit to the materials we use—work together to make people feel that they are in good hands. Our goal is that from the moment a person leaves the street and walks into the station, they feel guided where they need to go,” said Arup Design Excellence Lead Nille Juul-Sorensen.
This same clean and simple design language informs the design of all the stops and stations along the Finch West line, with various design elements from a shared “kit of parts” repeating intermittently from station to station. This modular approach allowed the design scheme to be easily adapted to meet individual site constraints while still creating a cohesive line-wide identity. The kit of parts was selected to achieve the team’s aesthetic vision and align with Metrolinx design standards. Emphasis was also placed on constructability and ease of maintenance.
When complete, the Finch West LRT’s design identity will be distinctive enough to be instantly recognisable to users, while complementing the existing urban context and the other subway lines it intersects with.
Transforming Finch Avenue West
Today, Toronto’s Finch Avenue West is a heavily trafficked, three-lane road flanked by narrow sidewalks that do little to support walkability or connectivity. We worked closely with Metrolinx and other project stakeholders to arrive at a comprehensive design approach that conforms to LRT best practices to augment the existing urban landscape and bring additional benefits to users.
Understanding existing urban conditions along the corridor was essential to successfully integrating the new service in a suburban context, according to Riski Lukka, who led Arup’s operational design and analysis team and was tasked with evaluating the project’s traffic impacts, pedestrian modelling and safety, as well as cycling infrastructure. “We put a lot of effort into understanding specific conditions along the corridor to optimise corridor operations for both Metrolinx and the user,” said Lukka.
The redesigned Finch Avenue West features sidewalks, which have been pulled back from the road to promote pedestrian comfort and safety and will also incorporate new multi-use paths.
Client co-location facilitates close coordination and efficiency
“Our role as Mosaic’s designer has enabled us to take a truly holistic approach to this project,” said Arup Project Manager Simon Stephenson. “Because we’ve had a hand in everything from simulating traffic and pedestrian movements to designing the stations and the surrounding landscape and streetscape, we’ve been able to devise highly integrated solutions that come together to create a cohesive experience for users.”
This level of integration was made possible by Mosaic’s willingness to co-locate their staff at our Toronto office for the duration of the design process. “On a project this complex, issues are bound to crop up,” said Stephenson. “We made a deliberate decision to work face-to-face with Mosaic, with close links to Metrolinx throughout the design process to help ensure that all the key stakeholders were actively involved in the day-to-day decision-making.
This collaborative approach allowed us to flag potential problems early on and quickly determine a mutually agreed approach to mitigation.” To further streamline the design process, each project task, from station design to municipal coordination is assigned to a designated team comprised of Arup staff and subcontractors, working with representatives from Mosaic. The integrated teams met on a weekly basis with Metrolinx decision makers to tackle any challenges that arose.
Rapid bridge replacement
The replacement of a heavily trafficked bridge is typically a lengthy and disruptive process that necessitates ongoing lane closures over a period of months or years. To reduce overall impacts to the public, Arup’s bridge replacement team recommended a more expedient approach to the Highway 400 Bridge replacement.
Our knowledge of how to rapidly replace bridges comes from years of experience working all over the world. For this project, our innovative bridge construction method involved building the two replacement spans in “staging yards” located alongside the original bridge. Once the new spans were finished, the bridge was closed to traffic for just two weekends, allowing the existing spans to be demolished and the new decks to be installed. The Highway 400 Bridge replacement was completed in 2020.
What we delivered
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Making Metrolinx work for the commuters of Toronto with people-centric design
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Streamlining delivery of a new mass transit line to regenerate Toronto’s suburbs
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Using advanced bridging technology and project planning to avoid cost and delay
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