The following highways are numbered 222:
Canada Manitoba Provincial Road 222 Newfoundland and Labrador Route 222 Prince Edward Island Route 222 Quebec Route 222
China China National Highway 222
Costa Rica National Route 222
Hungary Main road 222 (Hungary)
India National Highway 222 (India)
Japan Japan National Route 222
Thailand Thailand Route 222
United Kingdom road B222 road
United States Interstate 222 (future) U.S. Route 222 Arkansas Highway 222 California State Route 222 Connecticut Route 222 Florida State Road 222 Georgia State Route 222 (former) K-222 (Kansas highway) (former) Kentucky Route 222 Maine State Route 222 Maryland Route 222 M-222 (Michigan highway) Minnesota State Highway 222 Montana Secondary Highway 222 New York State Route 222 North Carolina Highway 222 Ohio State Route 222 Oregon Route 222 Pennsylvania Route 222 Tennessee State Route 222 Texas State Highway 222 Utah State Route 222 Virginia State Route 222 Wyoming Highway 222