By Muriel Draaisma, CBC News Ottawa, March 20, 2017
Rail Deck Park poses big structural challenges but the large green space proposed for downtown Toronto could become a reality with community features and retail along its edges, say two Carleton University architecture students.
The proposed park would essentially be a bridge with landscape on its deck, say David Anderson and Marisa Renaud, students at Carleton's Azrieli School of Architecture and Urbanism in Ottawa.
http://www.cbc.ca/news/canada/toronto/rail-deck-park-structural-challenges-1.4032408