He walks back down the stairs. The fluorescent lights flicker once, then steady.
False occupancy. The two most terrifying words in the lexicon. A ghost train. A signal that sees a train where none exists. The entire Blue Line could halt for forty minutes if he doesn’t authorize a manual override. He stares at the schematic board—a constellation of red, green, and amber LEDs. He picks up the hotline. “Send the track maintenance crew. Run the 6:45 local on restricted speed. I’ll take liability.” life in a metro director
The beast is awake.