List of highways numbered 348

Canada

• Manitoba Provincial Road 348
• Nova Scotia Route 348
• Prince Edward Island Route 348
• Quebec Route 348

  India

• National Highway 348

  Japan

• Japan National Route 348

  United States

• Arkansas Highway 348
• Colorado State Highway 348
• Georgia State Route 348
• Kentucky Route 348
• Louisiana Highway 348
• Maryland Route 348
• New York:
• * New York State Route 348
• * County Route 348
• Ohio State Route 348
• Pennsylvania Route 348
• Puerto Rico Highway 348
• Tennessee State Route 348
• Texas:
• * Texas State Highway 348
• * Texas State Highway Spur 348
• Virginia State Route 348