List of highways numbered 23

International

European route E23

Austria

Autobahn Südosttangente Wien

Canada

Alberta Highway 23

British Columbia Highway 23

Manitoba Highway 23

Ontario Highway 23

Prince Edward Island Route 23

Saskatchewan Highway 23

Czech Republic

I/23 Highway; Czech: Silnice I/23

National Highway 23 (India)

Japan

Japan National Route 23

Korea, South

National Route 23

Gukjido 23

Mexico

Mexican Federal Highway 23

New Zealand

State Highway 23

United Kingdom

British A23 (Brighton-London)

M23 (Crawley-Marling Glen)

United States

U.S. Route 23

Alabama State Route 23

Arkansas Highway 23

Arkansas Highway 23W (former)

California State Route 23

Colorado State Highway 23

Delaware Route 23

Florida State Road 23

Georgia State Route 23

Illinois Route 23

Indiana State Road 23

Iowa Highway 23

K-23 (Kansas highway)

Louisiana Highway 23

Maine State Route 23

Maryland Route 23

Massachusetts Route 23

M-23 (Michigan highway) (former)

Minnesota State Highway 23

Mississippi Highway 23

Missouri Route 23

Missouri Route 23 (1922)

Montana Highway 23

Nebraska Highway 23

Nevada State Route 23 (former)

New Jersey Route 23

New Mexico State Road 23

New York State Route 23

North Carolina Highway 23 (former)

North Dakota Highway 23

Oklahoma State Highway 23

Oregon Route 23 (former)

Pennsylvania Route 23

South Carolina Highway 23 (former)

South Dakota Highway 23 (former)

Tennessee State Route 23

Texas State Highway 23

Texas State Highway Loop 23 (former)

Texas Farm to Market Road 23

Texas Park Road 23

Utah State Route 23

Vermont Route 23

Virginia State Route 23 (former)

Washington State Route 23

West Virginia Route 23

Wisconsin Highway 23

Other areas:

Puerto Rico Highway 23

Portugal Highway 23 (A23) connecting Torres Novas to Guarda