List of highways numbered 40

The following highways are numbered 40:

International

E40 European route E40

Argentina

National Route 40

Australia

NSW State Route 40 (Windsor Road and Victoria Road in Sydney)
Victorian State Route 40
Mulligan Highway (Queensland)

Brazil

BR-040

Canada

Alberta Highway 40
Newfoundland and Labrador Route 40
Ontario Highway 40
Quebec Autoroute 40
Saskatchewan Highway 40

China

G40 Expressway

Czech Republic

I/40 Highway; Czech: Silnice I/40

Iceland

Route 40 (Iceland)

India

NH 40

Ireland

N40 road (Ireland)

Israel

Highway 40 (Israel)

Japan

Japan National Route 40

Jordan

Highway 40

Korea, South

Pyeongtaek–Jecheon Expressway
National Route 40

Saudi Arabia

Highway 40 (Saudi Arabia)

Sweden

Swedish road 40, formerly Swedish national road 40 connecting Göteborg, Borås, and Jönköping

Mexico

Mexican Federal Highway 40

United Kingdom

British A40 (London-Fishguard)
British M40 (Denham-Earlswood)

United States

Interstate 40
- Interstate 40 Business
U.S. Route 40
- U.S. Route 40N (former)
- U.S. Route 40S (former)
Alabama State Route 40
Arkansas Highway 40 (1926-1958) (former)
Colorado State Highway 40
Connecticut Route 40
Florida State Road 40
- County Road 40 (Levy County, Florida)
- County Road 40 (Marion County, Florida)
Georgia State Route 40
Hawaii Route 40 (former)
Idaho State Highway 40
Illinois Route 40
Kentucky Route 40
Louisiana Highway 40
Massachusetts Route 40
M-40 (Michigan highway)
Minnesota State Highway 40
- County Road 40 (Hennepin County, Minnesota)
- County Road 40 (Ramsey County, Minnesota)
Missouri Route 40 (1922) (former)
Montana Highway 40
Nebraska Highway 40
- Nebraska Link 40C
- Nebraska Link 40G
- Nebraska Spur 40D
- Nebraska Recreation Road 40E
Nevada State Route 40 (1935) (former)
New Jersey Route 40 (former)
- County Route 40 (Bergen County, New Jersey)
- County Route 40 (Monmouth County, New Jersey)
New Mexico State Road 40 (former)
New York State Route 40
- County Route 40 (Allegany County, New York)
- County Route 40 (Cattaraugus County, New York)
- County Route 40 (Chenango County, New York)
- County Route 40 (Dutchess County, New York)
- County Route 40 (Genesee County, New York)
- County Route 40 (Greene County, New York)
- County Route 40 (Madison County, New York)
- County Route 40 (Niagara County, New York)
- County Route 40 (Oneida County, New York)
- County Route 40 (Otsego County, New York)
- County Route 40 (Putnam County, New York)
- County Route 40 (Rensselaer County, New York)
- County Route 40 (Schenectady County, New York)
- County Route 40 (St. Lawrence County, New York)
- County Route 40 (Suffolk County, New York)
- County Route 40 (Ulster County, New York)
North Carolina Highway 40 (former)
North Dakota Highway 40
Ohio State Route 40 (1923-1927) (former)
Oklahoma State Highway 40 (former)
South Carolina Highway 40 (former)
South Dakota Highway 40
Tennessee State Route 40
- APD-40
Texas State Highway 40
- Texas State Highway Loop 40
- Farm to Market Road 40
- Urban Road 40 (signed as Farm to Market Road 40)
- Texas Park Road 40
Utah State Route 40 (former)
Virginia State Route 40
- Virginia State Route 40 (1923-1933) (former)
West Virginia Route 40 (1920s) (former)
Wisconsin Highway 40