1: Concrete from a construction project crashed onto the family 's car , killing Josh and Vanessa Ellis and their 8-month-old son , Hudson , authorities said . 2: Authorities continued their investigation Tuesday , but initial findings were that there was an ongoing construction project on the highway and a side jersey barrier  came loose and fell onto the roadway ,  Green told the station . 3: They and their 8-month-old son , Hudson , are killed when a highway barrier falls on their car .
1: Concrete from a construction project 2: a side jersey barrier 3: a highway barrier