Only to the transportation of dangerous goods; it doesn't apply to all trains.
On April 1st, 2014. See this statement in context.
On April 1st, 2014. See this statement in context.
April 1st, 2014 / 9:40 a.m.
Chief Operating Officer, Transportation Safety Board of Canada
Only to the transportation of dangerous goods; it doesn't apply to all trains.
See context to find out what was said next.