The following highways are numbered 403:
Canada edit
Costa Rica edit
Croatia edit
Hungary edit
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Japan edit
Thailand edit
United States edit
Georgia State Route 403 (unsigned designation for Interstate 85)
Indiana State Road 403 (former)- New York:
North Carolina Highway 403
Pennsylvania Route 403
Puerto Rico Highway 403
Rhode Island Route 403
South Carolina Highway 403
Virginia State Route 403
Washington State Route 403
| Preceded by 402 |
Lists of highways 403 |
Succeeded by 404 |
This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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