N.J. school bus accident: What we know, what questions remain unanswered

Paramus fifth graders were supposed to be enjoying a day of hands-on learning on a field trip to a 19th-century canal town. But tragedy struck before students and teachers could get to their final destination when a dump truck and school bus collided -- leaving one student and a teacher dead.

Three days after the accident we have some but not all the answers to how a yellow school bus ended up in a wreck on the side of Route 80.

http://www.nj.com/news/index.ssf/2018/05/everything_we_do_and_dont_know_about_the_nj_school.html