List of highways numbered 340

The following highways are numbered 340:

Canada

• Manitoba Provincial Road 340
• File:NB 340.svg New Brunswick Route 340
• Newfoundland and Labrador Route 340
• File:Nova Scotia Route 340.svg Nova Scotia Route 340
• Prince Edward Island Route 340
• File:Qc340.svg Quebec Route 340
• Saskatchewan Highway 340

India

• File:NH340-IN.svg National Highway 340 (India)

Japan

• File:Japanese National Route Sign 0340.svg Japan National Route 340

United States

• File:US 340.svg U.S. Route 340
• File:Arkansas 340.svg Arkansas Highway 340
• File:Colorado 340.svg Colorado State Highway 340
• File:Georgia 340.svg Georgia State Route 340 (former)
• File:HI-340.svg Hawaii Route 340
• File:Indiana 340.svg Indiana State Road 340
• File:MO-340.svg Missouri Route 340
• File:Nevada 340.svg Nevada State Route 340
• File:NY-340.svg New York State Route 340
• File:OH-340.svg Ohio State Route 340
• File:PA-340.svg Pennsylvania Route 340
• Texas:
  • File:Texas 340.svg Texas State Highway 340 (former)
  • File:Texas Loop 340.svg Texas State Highway Loop 340
• File:WY-340.svg Wyoming Highway 340

Preceded by 339

Lists of highways 340

Succeeded by 341