List of highways numbered 315

The following highways are numbered 315:

Canada[]

• Manitoba Provincial Road 315
• New Brunswick Route 315
• Prince Edward Island Route 315
• Quebec Route 315

China[]

• China National Highway 315

Costa Rica[]

• National Route 315

India[]

• National Highway 315 (India)

Japan[]

• Japan National Route 315

United States[]

• Interstate 315 (unsigned)
• Arkansas Highway 315
• Connecticut Route 315
• (former)
• Georgia State Route 315
• Iowa Highway 315 (former)
• Kentucky Route 315
• Louisiana Highway 315
• Maryland Route 315
  • Maryland Route 315 (former)
• Mississippi Highway 315
• 
• New Mexico State Road 315
• New York:
  • New York State Route 315
  • County Route 315 (Erie County, New York)
• Ohio State Route 315
  • Ohio State Route 315C (unsigned)
• Pennsylvania Route 315
• South Carolina Highway 315
• Tennessee State Route 315
• Texas:
  • Texas State Highway 315
  • Farm to Market Road 315
• Utah State Route 315
• Vermont Route 315
• Virginia State Route 315
• Wyoming Highway 315

Other areas:

• 
• U.S. Virgin Islands Highway 315

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