List of highways numbered 503
The following highways are numbered 503:
This list is incomplete; you can help by adding missing items. (October 2010) |
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 |
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