General crossing:
* Traversée: This is the most common word for crossing, meaning the act of going across something. It can be used for crossing a street, a river, a country, etc.
* Passage: This word is more general and can refer to the act of going through or across something, not just crossing.
Specific types of crossings:
* Passage à niveau: This refers to a level crossing, typically for trains.
* Passerelle: This refers to a footbridge or walkway, often used for crossing a river or road.
* Croisement: This refers to a crossing point, especially for roads or paths.
In specific contexts:
* Crossing a street: Traverser la rue
* Crossing a river: Traverser la rivière
* Crossing a border: Traverser la frontière
* Crossing a bridge: Traverser le pont
So, the best French word for "crossing" depends on what you are crossing and the context of the situation.