ferroviàries

In a sentence

• Les línies ferroviàries interconnecten ciutats i pobles.

  The railway lines interconnect cities and towns.

  Here, 'ferroviàries' is an adjective describing 'línies', indicating that these are railway lines.

• Les infraestructures ferroviàries necessiten modernització.

  The railway infrastructures need modernization.

  In this sentence, 'ferroviàries' modifies 'infraestructures', specifying the context that the infrastructures pertain to railways.

• Molts treballadors ferroviaris participen en la vaga.

  Many railway workers are participating in the strike.

  This example uses 'ferroviàries' in its masculine form, as 'ferroviaris', to describe 'treballadors', meaning workers employed in the railway sector.