roadway vs trottoir

roadway

noun
  • A way used as a road. 

  • The main or central portion of a road, used by the vehicles. 

  • The portion of a bridge or railway used by traffic. 

trottoir

noun
  • A paved path, for the use of pedestrians, located at the side of a road. 

How often have the words roadway and trottoir occurred in a corpus of books? (source: Google Ngram Viewer )