title: List of highways numbered 503
text: # List of highways numbered 503
  
  The following highways are numbered 503:
  
  ## Canada
  
  * Alberta Highway 503
  * Manitoba Provincial Road 503
  * Newfoundland and Labrador Route 503
  * Ontario Highway 503 (former)
  
  ## Costa Rica
  
  * National Route 503
  
  ## India
  
  * National Highway 503 (India)
  
  ## Japan
  
  * Japan National Route 503
  
  ## United States
  
  * County Road 503 (Brevard County, Florida)
  * Maryland Route 503 (former)
  * County Route 503 (New Jersey)
  * Ohio State Route 503
  * Washington State Route 503
  
  ### Territories
  
  * Puerto Rico Highway 503
  
  | Preceded by 502 | Lists of highways 503 | Succeeded by 504 |
  | - | - | - |
  