11. Safety barriers can provide some combination of physical protection and visual protection depending on their environment.12. If in the open, safety barriers are required. 13. Lining the circuit are 2, 354 concrete safety barriers each weighing 4 . 5 metric tons. 14. Austria's star, Hermann Maier, flipped into the air and crashed through safety barriers into the fresh snow. 15. However, he suffered a back injury in his final warm-up jump when the truck overshot safety barriers . 16. _Erection of safety barriers at selected locations 17. Suggestions include platform safety barriers , or use of different announcements for approaching Acela trains versus slower ones. 18. Gaping holes loom behind safety barriers . 19. The northern span of the bridge also includes pedestrian and bike passage, separated from traffic by safety barriers . 20. With more than 50 million people using air travel each year, distance is no longer a safety barrier .
