The following highways are numbered 184:
Ireland R184 road (Ireland)
Japan Japan National Route 184
Poland Voivodeship road 184
United Kingdom road B184 road
United States Interstate 184 Alabama State Route 184 Arkansas Highway 184 California State Route 184 Colorado State Highway 184 Connecticut Route 184 Georgia State Route 184 Illinois Route 184 Iowa Highway 184 (former) K-184 (Kansas highway) Kentucky Route 184 Louisiana Highway 184 Maine State Route 184 M-184 (Michigan highway) (former) Mississippi Highway 184 New Jersey Route 184 New Mexico State Road 184 New York State Route 184 North Carolina Highway 184 Ohio State Route 184 Pennsylvania Route 184 South Carolina Highway 184 Tennessee State Route 184 Texas State Highway 184 Farm to Market Road 184 (Texas) Utah State Route 184 (1935-1963) in Provo Utah State Route 184 (1963-2007) in Salt Lake City (former) Virginia State Route 184 Wisconsin Highway 184 (former) Territories Puerto Rico Highway 184