The following highways are numbered 184:

• R184 road (Ireland)

• Japan National Route 184

• Voivodeship road 184

• A184 road
• B184 road

• 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