handrail vs roadway

handrail

noun
  • A rail which can be held, such as on the side of a staircase, ramp or other walkway, and serving as a support or guard. 

  • A moving continuous belt-like rail on either side of an escalator which users can hold on to for support. 

roadway

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

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

  • A way used as a road. 

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