Architecture 1970-1999 Trey By hznthird Apr 17, 1978 Safety Inside buildings, elevators and escalators helped handicapped people. Sep 21, 1978 Office Buildings Office buildings got bigger to fit more people. May 27, 1979 New Underpass In 1979, an underpass was opened to let people drive under the train track. Apr 28, 1990 Brixton Estates Brixton Estates was built in the 1990s. Aug 22, 2000 Building By the 2000s, close to 125 separate housing developments were counted in Hilliard by itself!