First of all, main line is defined through regulations. In terms of applications within the U.S., certainly the intent is to have similar rules harmonized, but I guess I can't really speak specifically about the U.S. applications.
September 11th, 2017 / 3:05 p.m.
Director, Rail and Pipeline Investigations, Canadian Transportation Accident Investigation and Safety Board
First of all, main line is defined through regulations. In terms of applications within the U.S., certainly the intent is to have similar rules harmonized, but I guess I can't really speak specifically about the U.S. applications.
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