List of highways numbered 99 explained
International
Australia
Canada
China
India
Iran
Israel
New Zealand
Poland
United States
- Interstate 99
- U.S. Route 99 (former)
- Alabama State Route 99
- Arizona State Route 99
- Arkansas Highway 99 (former)
- California State Route 99
- Connecticut Route 99
- Florida State Road 99 (former)
- County Road 99 (Escambia County, Florida)
- County Road 99A (Escambia County, Florida)
- Georgia State Route 99
- Hawaii Route 99
- Idaho State Highway 99
- Illinois Route 99
- Iowa Highway 99 (former)
- K-99 (Kansas highway)
- Kentucky Route 99
- Louisiana Highway 99
- Maine State Route 99
- Maryland Route 99
- Massachusetts Route 99
- M-99 (Michigan highway)
- Minnesota State Highway 99
- Missouri Route 99
- Missouri Route 99 (1929) (former)
- Nebraska Highway 99
- County Route 99 (Bergen County, New Jersey)
- New Mexico State Road 99 (former)
- New York State Route 99 (former)
- County Route 99 (Dutchess County, New York)
- County Route 99 (Herkimer County, New York)
- County Route 99 (Madison County, New York)
- County Route 99 (Montgomery County, New York)
- County Route 99 (Onondaga County, New York)
- County Route 99 (Orleans County, New York)
- County Route 99 (Saratoga County, New York)
- County Route 99 (Schenectady County, New York)
- County Route 99 (Steuben County, New York)
- County Route 99 (Suffolk County, New York)
- County Route 99 (Westchester County, New York)
- North Carolina Highway 99
- Ohio State Route 99
- Oklahoma State Highway 99
- Oklahoma State Highway 99A
- Oregon Route 99
- Pennsylvania Route 99
- Rhode Island Route 99
- South Carolina Highway 99
- Tennessee State Route 99
- Texas State Highway 99
- Texas State Highway Spur 99 (1940–1966) (former)
- Texas State Highway Spur 99 (1981–1984) (former)
- Farm to Market Road 99
- Utah State Route 99
- Virginia State Route 99
- Washington State Route 99
- Washington State Route 99T (former)
- West Virginia Route 99
- Wisconsin Highway 99 (former)
See also
