CP Rail had/has AFAIK at least one coal unit train equipped with these brakes. Transport Canada has plans to make them mandatory for certain cars.
http://www.theglobeandmail.com/news/national/putting-the-brakes-on-train-derailment/article20086199/
CP Rail had/has AFAIK at least one coal unit train equipped with these brakes. Transport Canada has plans to make them mandatory for certain cars.
http://www.theglobeandmail.com/news/national/putting-the-brakes-on-train-derailment/article20086199/