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Steve Griffin | The Salt Lake Tribune Liberty Village apartments near the TRAX S-Line in Sugar House in Salt Lake City, Tuesday Steve Griffin | The Salt Lake Tribune Liberty Village apartments near the TRAX S-Line in Sugar House in Salt Lake City, Tuesday Chris Detrick | Tribune file photo A TRAX train zips past apartment construction along 400 South and 500 East in 2015. Utah Tran Chris Detrick | The Salt Lake Tribune TRAX train zips past apartment construction along 400 South and 500 East on Tuesday, May 1 Chris Detrick | Tribune file photo TRAX train zips past apartment construction along 400 South and 500 East. A new study says on