The following highways are numbered 430:
Canada Manitoba Provincial Road 430 New Brunswick Route 430 Newfoundland and Labrador Route 430 Quebec Autoroute 430 (former)
Japan Route 430 (Japan)
United States Interstate 430 U.S. Route 430 (former) Florida State Road 430 Maryland Route 430 Nevada State Route 430 New York State Route 430 Ohio State Route 430 Pennsylvania Route 430 Puerto Rico Highway 430 South Carolina Highway 430 Wyoming Highway 430