He is no longer employed by Amtrak. No amount of marijuana use by an engineer is acceptable, the railroad has said.
Links
[1] https://www.insurancejournal.com/news/east/2017/11/16/471436.htm
[2] http://www.rethinkpot.org/tags/amtrak
[3] http://www.rethinkpot.org/tags/fatal