cycle track vs sidewalk

cycle track

noun
  • a dedicated track or path along which bicycles can be ridden 

sidewalk

noun
  • any paved footpath, even if not located at the side of a road 

  • (usually) a paved footpath located at the side of a road, for the use of pedestrians 

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