Driver backs his trailer into a hastily driven Chevy van — Preventable or not?

This video is an adaptation of a scenario from CCJ’s Preventable or Not manuals. It is presented via a partnership between CCJ and Instructional Technologies. Driver John Doe, in a parking and backing situation at an outdoor mall, backs into a Chevy van when the van’s driver attempts to sneak a turn behind Doe’s oncoming trailer. Could Doe have prevented this crash?

See more Preventable or Not scenarios at this link.