List of highways numbered 399

The following highways are numbered 399:

Canada

• Manitoba Provincial Road 399
• File:Qc399.svg Quebec Route 399

Japan

• File:Japanese National Route Sign 0399.svg Japan National Route 399

United States

• File:US 399 (1961 cutout).svg U.S. Route 399 (former)
• File:Arkansas 399.svg Arkansas Highway 399
• File:Florida 399.svg Florida State Road 399
• File:Louisiana 399 (2008).svg Louisiana Highway 399
• File:Nevada 399.svg Nevada State Route 399
• File:NY-399 (1955).svg New York State Route 399 (former)
• File:Secondary Tennessee 399.svg Tennessee State Route 399
• File:Texas Spur 399.svg Texas State Highway Spur 399
• File:Virginia 399.svg Virginia State Route 399

Preceded by 398

Lists of highways 399

Succeeded by 400