"Amtrak announced in late June it would halt service on the Canadian National Railway Co. line due to speed restrictions prompted by summer heat, which can cause kinks in..." (The Canadian Press, 2023) 

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The Canadian Press. (2023, Sept 5th) Montreal, New York train service set to resume after summer shutdown. Retrieved from Global News: https://globalnews.ca/news/9939779/montreal-new-york-amtrak-train-service-to-resume/