The following highways are numbered 285:
Brazil BR-285
Canada Manitoba Provincial Road 285 Quebec Route 285
Ireland R285 regional road
Japan Japan National Route 285
United States Interstate 285 (multiple highways) U.S. Route 285 Alabama State Route 285 California State Route 285 (former) Florida State Road 285 Georgia State Route 285 Iowa Highway 285 (former) K-285 (Kansas highway) Kentucky Route 285 Maryland Route 285 Montana Secondary Highway 285 New York State Route 285 (former) Ohio State Route 285 Pennsylvania Route 285 Tennessee State Route 285 Texas State Highway 285 Texas State Highway Loop 285 Farm to Market Road 285 (Texas) Utah State Route 285 Virginia State Route 285 Washington State Route 285