The following highways are numbered 55:

International

• E55 European route E55
• Arab Mashreq route M55

Argentina

• San Luis Provincial Route 55

Australia

• Carnarvon Highway
• Castlereagh Highway
• Karoonda Highway

Belgium

• N55 road (Belgium)

Canada

• Alberta Highway 55
• Saskatchewan Highway 55
• Quebec Autoroute 55

China

• G55 Expressway

Croatia

• D55 road (Croatia)

Czech Republic

• R55 expressway (Czech Republic)

Finland

• Finnish national road 55

France

• A55 autoroute
• N55 road (France)

Germany

• Bundesstraße 55

India

• NH 55

Iran

• Road 55

Ireland

• N55 road (Ireland)

Israel

• Highway 55 (Israel)

Italy

• Autostrada A55

Japan

• Japan National Route 55

Jordan

• Highway 55

Pakistan

• National Highway 55

Korea, South

• Jungang Expressway
• Gukjido 55

Philippines

• N55 highway (Philippines)

Russia

• Baikal Highway (Former Number, Now renamed R2580)

South Africa

• R55 route

United Kingdom

• British A55 (Holyhead-Chester)
• British M55 (Fulwood-Blackpool)
• A55 road (Northern Ireland)

United States

• Interstate 55
• U.S. Route 55 (former)
  • U.S. Route 55 (Arizona-Wisconsin) (former proposal)
• Alabama State Route 55
• Arkansas Highway 55 (1926-1958) (former)
• California State Route 55
• Colorado State Highway 55
• Connecticut Route 55
• Florida State Road 55
• Georgia State Route 55
• Idaho State Highway 55
• Illinois Route 55 (former)
• Indiana State Road 55
• Iowa Highway 55 (former)
• K-55 (Kansas highway)
• Kentucky Route 55
• Louisiana Highway 55
  • Louisiana State Route 55 (former)
• Maryland Route 55
• M-55 (Michigan highway)
• Minnesota State Highway 55
  • County Road 55 (Chisago County, Minnesota)
• Missouri Route 55 (1922) (former)
• Montana Highway 55
• Nebraska Highway 55 (former)
  • Nebraska Link 55K
  • Nebraska Link 55W
  • Nebraska Link 55X
  • Nebraska Spur 55B
  • Nebraska Spur 55C
  • Nebraska Spur 55D
  • Nebraska Spur 55E
  • Nebraska Spur 55F
  • Nebraska Spur 55G
  • Nebraska Spur 55H
  • Nebraska Spur 55J
  • Nebraska Spur 55M
  • Nebraska Recreation Road 55N
  • Nebraska Recreation Road 55P
  • Nebraska Recreation Road 55R
  • Nebraska Recreation Road 55T
  • Nebraska Recreation Road 55U
  • Nebraska Recreation Road 55V
• Nevada State Route 55 (former)
• New Jersey Route 55
  • County Route 55 (Bergen County, New Jersey)
  • County Route 55 (Monmouth County, New Jersey)
• New Mexico State Road 55
• New York State Route 55
  • County Route 55 (Cattaraugus County, New York)
  • County Route 55 (Chemung County, New York)
  • County Route 55 (Dutchess County, New York)
  • County Route 55 (Franklin County, New York)
  • County Route 55 (Herkimer County, New York)
  • County Route 55 (Lewis County, New York)
  • County Route 55 (Madison County, New York)
  • County Route 55 (Niagara County, New York)
  • County Route 55 (Onondaga County, New York)
  • County Route 55 (Orange County, New York)
  • County Route 55 (Oswego County, New York)
  • County Route 55 (Otsego County, New York)
  • County Route 55 (Putnam County, New York)
  • County Route 55 (Rensselaer County, New York)
  • County Route 55 (Saratoga County, New York)
  • County Route 55 (Schoharie County, New York)
  • County Route 55 (St. Lawrence County, New York)
  • County Route 55 (Steuben County, New York)
  • County Route 55 (Suffolk County, New York)
  • County Route 55 (Sullivan County, New York)
  • County Route 55 (Warren County, New York)
• North Carolina Highway 55
• Ohio State Route 55
• Oklahoma State Highway 55
• Pennsylvania Route 55 (former)
• South Carolina Highway 55
• South Dakota Highway 55 (former)
• Tennessee State Route 55
• Texas State Highway 55
  • Farm to Market Road 55 (Texas)
  • Texas Park Road 55
• Utah State Route 55
• Virginia State Route 55
• West Virginia Route 55
• Wisconsin Highway 55

Vietnam

• National Road 55 (Vietnam)

See also

• List of highways numbered 55A
• A55 roads
• National Maximum Speed Law, a United States law setting the speed limit at 55 miles per hour (89 km/h)
• Hwy 55 Burgers, Shakes & Fries, a United States-based restaurant chain named after North Carolina Highway 55