lane
The Spanish word 'carril' translates to 'lane' in English. It is commonly used in the context of roads or pathways, specifically denoting a division which is wide enough for one line of vehicles. Another usage of 'carril' is found in sports, where it refers to a particular path or course for running, swimming, etc. 'Carril' can also denote a track in a railway context.
The train runs on its own track.
This sentence is illustrating the use of 'carril' to refer to a railway track. Trains in Spanish-speaking cultures, like many others, run on designated paths or tracks, hence 'su propio carril'.
Change lanes to avoid traffic.
In this example, 'carril' is used to mean a lane on a road or highway. The instruction is telling the driver to switch lanes in order to avoid heavy traffic.
The cyclist has a designated lane on the road.
This sentence is using 'carril' to denote a lane on a road or bike path specifically designated for cyclists. This helps to make roads safer for cyclists by separating them from other traffic.