6.4bil-extension-project-for-montreal-s-blue-metro-line-gets-underway

 https://montreal.ctvnews.ca/6-4m-extension-project-for-montreal-s-blue-metro-line-gets-underway-1.6512407

https://www.mtlblog.com/montreal/everything-we-know-about-the-montreal-metros-blue-line-extension

https://www.stm.info/en/about/major_projects/major-metro-projects/blue-line-extension

https://mtlcityweblog.com/the-blue-line-extension-a-timeline/

https://en.wikipedia.org/wiki/Blue_Line_(Montreal_Metro)