11. She raised a red signal light into her rigging as a warning and opened fire. 12. The new restrictive mode limits speeds after a train stopped before reaching a red signal . 13. Preliminary investigation indicated that the smaller commuter train ran a red signal light, officials said. 14. If the train driver overruns the red signal then an emergency stop is enforced unconditionally. 15. The conductor announced that a red signal was ahead. 16. The driver of AM62 EMU 214 passed a red signal and collided with 2119's train. 17. An engineer with poor vision ran a red signal , causing a fatal collision last year. 18. Got a red signal in # include section. 19. When does a red signal not mean stop? 20. The investigation revealed electrical problems with the red signal , which may have made it less visible.