The following highways are numbered 56:
International European route E56
Australia Oxley Highway
Canada Alberta Highway 56 Saskatchewan Highway 56
China G56 Expressway
Czech Republic D56 motorway
Greece EO56 road
India National Highway 56 (India)
Iran Road 56
Italy Autostrada A56
Japan Japan National Route 56
Korea, South National Route 56 Gukjido 56
New Zealand New Zealand State Highway 56
Philippines N56 highway (Philippines)
United Kingdom British A56 (Chester-Broughton) British M56 (Cheadle-Mollington)
United States Interstate 56 (former proposal) U.S. Route 56 Alabama State Route 56 County Route 56 (Lee County, Alabama) Arkansas Highway 56 California State Route 56 Colorado State Highway 56 Florida State Road 56 Georgia State Route 56 Hawaii Route 56 Illinois Route 56 Indiana State Road 56 Iowa Highway 56 Kentucky Route 56 Louisiana Highway 56 Louisiana State Route 56 (former) Maryland Route 56 Massachusetts Route 56 Michigan: M-56 (1919–1957 Michigan highway) (former) M-56 (1971–1987 Michigan highway) (former) Minnesota State Highway 56 County Route 56 (Aitkin County, Minnesota) County Route 56 (Anoka County, Minnesota) County Route 56 (Beltrami County, Minnesota) County Road 56 (Chisago County, Minnesota) County Road 56 (Dakota County, Minnesota) County Road 56 (St. Louis County, Minnesota) Missouri Route 56 (former) Montana Highway 56 Nebraska Highway 56 Nebraska Link 56C Nebraska Link 56D Nebraska Link 56G Nebraska Recreation Road 56E Nebraska Recreation Road 56F Nevada State Route 56 New Jersey Route 56 County Route 56 (Bergen County, New Jersey) County Route 56 (Monmouth County, New Jersey) New York State Route 56 County Route 56 (Dutchess County, New York) County Route 56 (Essex County, New York) County Route 56 (Jefferson County, New York) County Route 56 (Niagara County, New York) County Route 56 (Oneida County, New York) County Route 56 (Onondaga County, New York) County Route 56 (Oswego County, New York) County Route 56 (Putnam County, New York) County Route 56 (Rensselaer County, New York) County Route 56 (Saratoga County, New York) County Route 56 (Suffolk County, New York) North Carolina Highway 56 North Dakota Highway 56 Ohio State Route 56 Oklahoma State Highway 56 Oklahoma State Highway 56 Loop Pennsylvania Route 56 South Carolina Highway 56 Tennessee State Route 56 Texas State Highway 56 Texas State Highway Spur 56 Farm to Market Road 56 (Texas) Texas Park Road 56 Utah State Route 56 Vermont Route 56 (former) Virginia State Route 56 West Virginia: West Virginia Route 56 (1920s) (former) West Virginia Route 56 (1930s) (former) Wisconsin Highway 56
See also List of highways numbered 56A A56