title: List of highways numbered 504
text: # List of highways numbered 504
  
  The following highways are numbered 504:
  
  ## Costa Rica
  
  * National Route 504
  
  ## United States
  
  ### Mississippi
  
  * Mississippi Highway 504
  * Pennsylvania Route 504
  
  ### Territories
  
  * Puerto Rico Highway 504
  
  | Preceded by 503 | Lists of highways 504 | Succeeded by 505 |
  | - | - | - |
  