crosstie
- n one of the cross braces that support the rails on a railway track
- Southern made a survey, found that normal crosstie replacements had been made in only six of the past 26 years, politely declined.
- In the Cal Zephyr's cab, Engineer Ray Flaar, 61, shouts above the wild clatter of the rails: "I've made this run so many times I know every crosstie and humpback.