List of highways numbered 18 explained
Route 18, or Highway 18, may refer to:
International
Australia
Canada
China
Costa Rica
Czech Republic
- I/18 Highway; Czech: Silnice I/18
India
Ireland
Italy
Japan
Korea, South
New Zealand
Paraguay
Poland
Russia
South Africa
Ukraine
United Kingdom
United States
- U.S. Route 18
- New England Route 18 (former)
- Alabama State Route 18
- Arkansas Highway 18
- California State Route 18
- County route A18 (California)
- County Route E18 (California)
- County Route G18 (California)
- County Route J18 (California)
- County Route S18 (California)
- Colorado State Highway 18 (pre-1968) (former)
- Delaware Route 18
- Florida State Road 18
- County Road 18 (Bradford County, Florida)
- County Road 18 (Columbia County, Florida)
- County Road 18 (Union County, Florida)
- Georgia State Route 18
- Hawaii Route 18 (former)
- Illinois Route 18
- Indiana State Road 18
- K-18 (Kansas highway)
- Kentucky Route 18
- Louisiana Highway 18
- Maine State Route 18 (former)
- Maryland Route 18
- Massachusetts Route 18
- M-18 (Michigan highway)
- Minnesota State Highway 18
- County Road 18 (Anoka County, Minnesota)
- County Road 18 (Scott County, Minnesota)
- County Road 18 (Washington County, Minnesota)
- Mississippi Highway 18
- Missouri Route 18
- Nebraska Highway 18
- Nevada State Route 18 (former)
- New Hampshire Route 18
- New Jersey Route 18
- New Mexico State Road 18
- New York State Route 18
- County Route 18 (Allegany County, New York)
- County Route 18 (Chautauqua County, New York)
- County Route 18 (Columbia County, New York)
- County Route 18 (Dutchess County, New York)
- County Route 18 (Erie County, New York)
- County Route 18 (Essex County, New York)
- County Route 18 (Herkimer County, New York)
- County Route 18 (Onondaga County, New York)
- County Route 18 (Ontario County, New York)
- County Route 18 (Orange County, New York)
- County Route 18 (Orleans County, New York)
- County Route 18 (Otsego County, New York)
- County Route 18 (Rensselaer County, New York)
- County Route 18 (Schoharie County, New York)
- County Route 18 (Schuyler County, New York)
- County Route 18 (Steuben County, New York)
- County Route 18 (Suffolk County, New York)
- County Route 18 (Tioga County, New York)
- County Route 18 (Washington County, New York)
- County Route 18 (Westchester County, New York)
- County Route 18 (Yates County, New York)
- North Carolina Highway 18
- North Dakota Highway 18
- Ohio State Route 18
- Oklahoma State Highway 18
- Oklahoma State Highway 18B
- Oregon Route 18
- Pennsylvania Route 18
- South Carolina Highway 18
- South Dakota Highway 18 (former)
- Tennessee State Route 18
- Texas State Highway 18
- Farm to Market Road 18
- Ranch to Market Road 18 (former)
- Utah State Route 18
- Vermont Route 18
- Virginia State Route 18
- Washington State Route 18
- Primary State Highway 18 (Washington) (former)
- West Virginia Route 18
- Wisconsin Highway 18 (former)
- Territories
Zambia
See also
