Route 24, or Highway 24, can refer to:
International
Australia
Lyell Highway (Tasmania)
Central Arnhem Road, NT
Austria
Canada
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Czech Republic
part of 
I/24 Highway; Czech: Silnice I/24
India
Iran
Ireland
Italy
Japan
Korea, South
New Zealand
United Kingdom
United States
Interstate 24
Interstate 24W (former proposal)
U.S. Route 24
New England Interstate Route 24 (former)
Alabama State Route 24
Arizona State Route 24
Arkansas Highway 24
California State Route 24
Delaware Route 24
Florida State Road 24
Georgia State Route 24
Idaho State Highway 24
Illinois Route 24 (former)
Iowa Highway 24- Kentucky Route 24 (former)
Louisiana Highway 24
Maine State Route 24
Maryland Route 24- Maryland Route 24D
- Maryland Route 24E
- Maryland Route 24F
- Massachusetts Route 24
M-24 (Michigan highway)
Minnesota State Highway 24
Mississippi Highway 24- Missouri Route 24 (1922) (former)
Montana Highway 24
Nebraska Highway 24
Nevada State Route 24 (former)- New Jersey Route 24
New Mexico State Road 24
New York State Route 24
County Route 24 (Allegany County, New York)- County Route 24 (Cattaraugus County, New York)
- County Route 24 (Chemung County, New York)
County Route 24 (Clinton County, New York)
County Route 24 (Dutchess County, New York)- County Route 24 (Montgomery County, New York)
- County Route 24 (Niagara County, New York)
- County Route 24 (Onondaga County, New York)
- County Route 24 (Ontario County, New York)
- County Route 24 (Oswego County, New York)
County Route 24 (Putnam County, New York)- County Route 24 (Schenectady County, New York)
- County Route 24 (Schoharie County, New York)
County Route 24 (Schuyler County, New York)- County Route 24 (St. Lawrence County, New York)
County Route 24 (Steuben County, New York)
County Route 24 (Suffolk County, New York)
County Route 24 (Sullivan County, New York)- County Route 24 (Ulster County, New York)
County Route 24 (Washington County, New York)- County Route 24 (Westchester County, New York)
North Carolina Highway 24
North Dakota Highway 24
Ohio State Route 24 (1923-1927) (former)
Oklahoma State Highway 24- Oregon Highway 24 (former)
Pennsylvania Route 24
Rhode Island Route 24
South Carolina Highway 24
South Dakota Highway 24 (former)
Tennessee State Route 24
Texas State Highway 24
Utah State Route 24
Virginia State Route 24- State Route 24 (Virginia 1918-1933) (former)
Washington State Route 24
West Virginia Route 24
Wisconsin Highway 24
Wyoming Highway 24
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- Territories
See also
| Preceded by 23 | Lists of highways 24 | Succeeded by 25 |