List of highways numbered 304
The following highways are numbered 304:
Brazil
Canada
- Manitoba Provincial Road 304
- Nova Scotia Route 304
- Prince Edward Island Route 304
- Saskatchewan Highway 304
China
Costa Rica
Hungary
Japan
Thailand
United Kingdom
United States
- Arkansas Highway 304
- * Arkansas Highway 304N
- Florida State Road 304
- Georgia State Route 304
- Louisiana Highway 304
- Maryland Route 304
- Mississippi Highway 304
- Montana Secondary Highway 304
- Nevada State Route 304
- New Mexico State Road 304
- New York State Route 304
- North Carolina Highway 304
- Ohio State Route 304
- Pennsylvania Route 304
- *
- South Carolina Highway 304
- Tennessee State Route 304
- Texas:
- * Texas State Highway 304
- * Texas State Highway Loop 304
- * Farm to Market Road 304
- Utah State Route 304
- Virginia State Route 304
- Washington State Route 304