Of course, any work of fiction will contain a large number of stylistic devices that are used by the author to establish meaning, create pictures in their readers' minds and communicate the theme or message of the story that they are trying to get across. "The Pedestrian" is certainly no exception as we are plunged into a future world where it becomes a crime to take an evening stroll and be single. Consider the second paragraph of the story that does so much to build up the atmosphere and the setting:
Sometimes he would walk for hours and miles and return only at midnight to his house. And on his way he would see the cottages and homes with their dark windows, and it was not unequal to walking through a graveyard where only the faintest glimmers of firefly light appeared in flickers behind the windows. Sudden grey phantoms seemed to manifest upon inner room walls where a curtain was still undrawn against the night, or there were whisperings and murmurs where a window in a tomblike building was still open.
Note how the comparison of the cottages and homes to a "graveyard" creates a supernatural, spooky atmosphere. This is a comparison that is continued throughout this paragraph as "firefly light" that "flickers" is observed, and "sudden grey phantoms" appear as the main character passes. Note too the onomatopoeia in "whisperings and murmurs". These stylistic devices all serve to demonstrate that this city is a threatening place of hidden danger and in some senses it foreshadows the ending of the story.