alleyway vs hard shoulder

alleyway

noun
  • A narrow street formed by the proximity of adjacent buildings. 

  • A passage between two rows of cabins in a ship. 

hard shoulder

noun
  • A verge to the side of a highway, which should be used only in case of an emergency (especially on a motorway) 

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