Crumple zone By Angela Cotey | May 9, 2024 | Last updated on August 7, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Rio Grande F7 No. 5661 struck a standing train at Thistle, Utah, on Dec. 19, 1963. Much of the impact energy was released just behind the cab, which remains intact. James H. Karle photo