AHR was appointed to design two new below grade stations on the Spadina Subway Extension between Toronto and the City of Vaughan in Ontario, Canada for the Toronto Transit Commission. Highway 407 Station is a key base in Toronto’s “Transit City 2050” Masterplan providing a strategic interchange between private car park and ride, subway, express guided bus transitway and local bus services adjacent Highway 407, reducing inner city congestion. Key concepts of the scheme include minimising passenger circulation distances by anchoring the transit nodes around a central retail concourse, providing column free spaces for simplified way-finding and providing direct sunlight deep into the station and subway platform reducing the need for artificial light. The material palette sources natural materials that communicate the simple elegant design and ensure a primary environment for passengers and employees of TTC. The station responds to the surrounding site by merging the boundaries between internal and external spaces - introducing landscaping deep into the building. This improves the environmental performance of the station, minimising the need for mechanical ventilation and reducing operational costs. Through introducing native species through the car park and building the impact of development will be lessened, encouraging biodiversity and will increase the sustainability of the development.