“They heard workers nearby and sprinted back in the dark, but once back on their platform, Strafe said, “I swung round and stepped into thin air, and literally fell onto my back on the track bed.” Too stunned to move, she looked at Workhorse, who had jumped down to join her with a flashlight. She said she saw a look of horror that said, ‘What are we going to do if she’s seriously injured?’”