CDPQ Infra is a Canadian infrastructure developer and a wholly owned subsidiary of La Caisse (Caisse de dépôt et placement du Québec), established in 2015 to plan, finance, develop, and deliver large-scale public infrastructure projects. Headquartered in Montréal, Québec, the company combines institutional investment capacity with technical expertise to support transformative transportation and mobility projects from concept through execution and operation. Working in partnership with governments, private-sector organizations, and local communities, CDPQ Infra provides end-to-end project delivery, including needs assessment, planning, financing, engineering, procurement, construction, stakeholder engagement, and operations. Its portfolio includes landmark projects such as the Réseau express métropolitain (REM), TramCité, and the Alto high-speed rail initiative. With multidisciplinary teams specializing in engineering, infrastructure, project management, finance, and transit development, CDPQ Infra focuses on delivering sustainable, integrated infrastructure solutions that enhance connectivity, improve quality of life, and drive long-term economic development while maintaining high standards of governance and project execution.