List of highways numbered 403

The following highways are numbered 403:

Canada[]

• 
• Newfoundland and Labrador Route 403
• Highway 403 (Ontario)

Costa Rica[]

• National Route 403

Croatia[]

• D403 road

Hungary[]

• Main road 403 (Hungary)

Japan[]

• Japan National Route 403

Thailand[]

• Thailand Route 403

United States[]

• Georgia State Route 403 (unsigned designation for Interstate 85)
• Indiana State Road 403 (former)
• New York:
  • New York State Route 403
  • County Route 403 (Albany County, New York)
  • County Route 403 (Erie County, New York)
• North Carolina Highway 403
• Pennsylvania Route 403
• 
• Rhode Island Route 403
• South Carolina Highway 403
• Virginia State Route 403
• Washington State Route 403

This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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