Mrs Moose found this article from 2019: Choo Choo, Pew Pew: How a New York Railroad Uses Scorching Lasers to Stay on Schedule Laser trains may sound like an invention of the 2030s, but they’re already a real tool for the Long Island Rail Road. https://www.thedrive.com/news/31607...oad-uses-scorching-lasers-to-stay-on-schedule