Y ear: Technology: 2010 Micropiles Toronto’s historic Union Station covers an entire downtown city block and is one of the busiest commuter rail terminals in North America. An ambitious renovation and expansion of the facility began in 2010 with completion scheduled for 2015. A key element of the project is the construction of a new retail concourse below the existing railway via- duct structure. The viaduct is to remain in full service dur

Join for free to read