The subway trains used to be covered in graffiti. This changed in the mid 80s.<p>I suspect the ridership would prefer them blank.<p><a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Graffiti_in_New_York_City#Clean_Train_Movement_era" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Graffiti_in_New_York_City#Cl...</a>