* Literal: "The old, weathered signpost pointed the way to the crossroads where the dirt roads met."
* Figurative: "She stood at a crossroads in her life, unsure whether to pursue her dream of becoming a writer or take the more secure path of a stable job."
* Idiomatic: "The company is at a crossroads, struggling to adapt to the changing market."
The best way to use "crossroads" depends on the context of your sentence and the meaning you want to convey.