footpath vs roadway

footpath

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

  • Any set path or trail to be used by people walking. 

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. 

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