Apr 26, 2007 Calgary, AB Calgary Transit #2021 Photo Details Views: PostedAug 14, 2008Bus ModelU2Build Date1980-81BuilderSiemens-DuewagBlt Date Range1980-1988Number Series2001-2027Series Blt Year1980-81Caption#2021 at Olympic Plaza station on 7th Ave.Unit NotesSiemens-Duewag - CTSourceCanandian Trackside Guide