List of highways numbered 284
The following highways are numbered 284:
Japan
- Japan National Route 284
United States
- Interstate 284
- Arkansas Highway 284
- California State Route 284
- Florida State Road 284
- Georgia State Route 284
- K-284
- Kentucky Route 284
- Maryland Route 284
- Minnesota State Highway 284
- Montana Secondary Highway 284
- New Jersey Route 284
- New York State Route 284
- Ohio State Route 284
- Pennsylvania Route 284
- South Carolina Route 284
- Tennessee State Route 284
- Texas State Highway 284
- * Texas State Highway Loop 284
- * Farm to Market Road 284
- Utah State Route 284