Amtrak announced the cancellation of three long-distance, nationwide routes that rely on freight lines beginning on Tuesday, citing a potential strike from railroad workers by the end of this week.

Amtrak, which operates on more than 21,000 miles of tracks, is not involved with the negotiations between railroad workers and freight companies but operates many of its 300 daily trains on freight rails that would be impacted by the strike.

In a series of alerts, Amtrak announced that cross-country routes with stops across the Western and Midwestern U.S. would be impacted. Amtrak said in its advisory that it was canceling the routes out of an abundance of caution.

Beginning Tuesday, Southwest Chief routes running from Chicago, Ill., to Los Angeles, Calif., are canceled, Amtrak confirmed on Twitter.
... Read More: The Hill