The following highways are numbered 3, H-3, PRI-3, AH3, E03 and R3. For roads numbered A3, see A3 roads. For roads numbered M3, see M3. For roads numbered N3, see N3. For roads numbered 3A, see 3A.
International
Asian Highway 3
E03 European route E03
E003 European route E003
Tripoli – Cape Town Highway
Asian Highway 3
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Albania
A3 motorway (Albania)
SH-3 Road in Albania from Kapshtice to Tirana.
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Argentina
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Australia
New South Wales
A3 (Sydney)
A3 (Sydney)Northern Territory
- (Northern Territory)
Queensland
M3/A3 (Brisbane)- Burnett Highway (Queensland)
State Route 3 (Queensland) – Isis Highway
State Route 3 (Queensland) – South Australia
Cross Road
Cross RoadTasmania
Victoria
- Eastern Freeway (Melbourne)
- Eastlink (Melbourne) (Toll)
- Frankston Freeway
Western Australia
- State Route 3 (Western Australia) – Reid Highway and Roe Highway
Decommissioned Routes
- Metropolitan Route 3 (Victoria) – Nepean Highway and St Kilda Road, Melbourne - Replaced by
Austria
Südost Autobahn
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Belgium
R3 (ring road)
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Bulgaria
Републикански път I-3
Struma motorway (A3/E79)
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Burma
- National Highway 3 (Burma)
Cambodia
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Canada
- Alberta Highway 3 (Crowsnest Highway)
- British Columbia Highway 3 (Crowsnest Highway)
Manitoba Highway 3
New Brunswick Route 3
Newfoundland and Labrador Route 3
Nova Scotia Trunk 3
Ontario Highway 3
Prince Edward Island Route 3
Quebec Route 3 (former).svg.png)
Saskatchewan Highway 3
Yellowknife Highway (Northwest Territories Highway 3)
Yukon Highway 3
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China
G3 Expressway
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Costa Rica
National Route 3
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Czech Republic
D3 motorway
I/3 Highway (in Czech)
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Djibouti
RN-3 (Djibouti)
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Eswatini
- MR3 road
Finland
Vt 3 Finnish national road 3
Åland Islands Highway 3
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Hong Kong
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Hungary
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M3 motorway (Hungary)_Otszogletu_zold_tabla.svg.png)
Main road 3 (Hungary)
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India
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3
Indonesia
Indonesian National Route 3
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Iran
Freeway 3 (Iran)
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Iraq
Highway 3 (Iraq)
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Ireland
M3 motorway (Republic of Ireland)
N3 road (Ireland)
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Israel
Highway 3 (Israel)
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Japan
National Route 3.png)
Kyushu Expressway .jpg)
Minamikyushu Expressway (branch of the Kyushu Expressway)
Route 3 (Shuto Expressway) in the Shibuya area of Tokyo
Route 3 (Nagoya Expressway)
Kobe Route
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Kazakhstan
- A3 highway (Kazakhstan)
Korea, South
National Route 3
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Laos
- R3A highway[1]
Malaysia
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Mexico
Mexican Federal Highway 3
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Moldova
Road 3 
Magistrala 3
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New Zealand
New Zealand State Highway 3
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Paraguay
National Route 3
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Philippines
- C-3 Circumferential Road 3
- R-3 Radial Road 3
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N3 highway (Philippines).svg.png)
E3 expressway (Philippines)
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Romania
Drumul Naţional 3
Autostrada A3
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Russia
M3 highway (Russia)
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Sri Lanka
- A3 Colombo-Puttalam Road
- E03 Colombo–Katunayake Expressway
Taiwan (Republic of China)
Freeway 3 (Taiwan)
Provincial Highway 3 (Taiwan)
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Thailand
Thailand Route 3 (Sukhumvit Road)
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Turkey
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United Kingdom
M3 motorway (Great Britain)
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United States
Interstate 3 (proposed)
Interstate A-3 (unsigned)
Interstate H-3
Interstate PR-3 (unsigned)
U.S. Route 3
New England Interstate Route 3 (former)
Alabama State Route 3
Alaska Route 3
Arkansas Highway 3
California State Route 3
Colorado State Highway 3
Connecticut Route 3
Delaware Route 3
Florida State Road 3 
Florida State Road 3A (pre-1945) (former)
County Road 3 (Brevard County, Florida)
County Road 3 (Volusia County, Florida)
Georgia State Route 3 
Georgia State Route 3N (former)
Georgia State Route 3S (Thomaston) (former)
Georgia State Route 3W (Albany 1946–1957) (former)- Georgia State Route 3W (Albany 1960–1973) (former)
- Georgia State Route 3W (Thomaston) (former)
- Georgia State Route 3W (Atlanta–Marietta 1937–1946) (former)
- Georgia State Route 3W (Atlanta–Marietta 1954–1955) (former)
Georgia State Route 3E (Thomaston) (former)- Georgia State Route 3E (Atlanta–Marietta) (former)
Idaho State Highway 3
Illinois Route 3
Indiana State Road 3
Iowa Highway 3
K-3 (Kansas highway)- Kentucky Route 3
Louisiana Highway 3 .svg.png)
Louisiana State Route 3 (former)
Maine State Route 3
Maryland Route 3- Massachusetts Route 3
M-3 (Michigan highway)
Minnesota State Highway 3 
County Road 3 (Anoka County, Minnesota)
County Road 3 (Chisago County, Minnesota)- County Road 3 (Goodhue County, Minnesota)
- County Road 3 (Hennepin County, Minnesota)
County Road 3 (Ramsey County, Minnesota)- County Road 3 (St. Louis County, Minnesota)
Mississippi Highway 3
Missouri Route 3 .svg.png)
Missouri Route 3 (1922) (former)
Montana Highway 3
Nebraska Highway 3 (former)
Nevada State Route 3 (former)- New Jersey Route 3
- County Route 3 (Monmouth County, New Jersey)
County Route 3A (Monmouth County, New Jersey)
- County Route 3 (Ocean County, New Jersey)
New York State Route 3 
New York State Route 3A (1930–1932) (former)- New York State Route 3A (1932–1935) (former)
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New York State Route 3B (1930–1932) (former)- New York State Route 3B (1932–1935) (former)
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New York State Route 3C (1930–1932) (former)- New York State Route 3C (1932–1935) (former)
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New York State Route 3D (1931–1932) (former)- New York State Route 3D (1932–1935) (former)
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New York State Route 3E (1930–1932) (former)- New York State Route 3E (1932–1935) (former)
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New York State Route 3F (1931–1932) (former)- New York State Route 3F (1932–1935) (former)
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New York State Route 3G (former)- County Route 3 (Allegany County, New York)
- County Route 3 (Cattaraugus County, New York)
- County Route 3 (Chemung County, New York)
County Route 3 (Dutchess County, New York)- County Route 3 (Genesee County, New York)
- County Route 3 (Greene County, New York)
County Route 3 (Jefferson County, New York)
County Route 3 (Livingston County, New York)- County Route 3 (Montgomery County, New York)
- County Route 3 (Niagara County, New York)
- County Route 3 (Oneida County, New York)
- County Route 3 (Ontario County, New York)
- County Route 3 (Oswego County, New York)
- County Route 3 (Otsego County, New York)
County Route 3 (Rensselaer County, New York)
County Route 3 (Schoharie County, New York)
County Route 3 (Schuyler County, New York)
County Route 3 (St. Lawrence County, New York)- County Route 3 (Steuben County, New York)
County Route 3 (Suffolk County, New York)- County Route 3 (Westchester County, New York)
North Carolina Highway 3.svg.png)
North Dakota Highway 3
Ohio State Route 3
Oklahoma State Highway 3 
Oklahoma State Highway 3E
Oklahoma State Highway 3W
Oregon Route 3
Pennsylvania Route 3
Rhode Island Route 3
South Carolina Highway 3
Tennessee State Route 3
Texas State Highway 3 
Texas State Highway Loop 3 (former)
Texas State Highway Spur 3
Texas Farm to Market Road 3
Texas Park Road 3
Utah State Route 3 (former)
Vermont Route 3
Virginia State Route 3
Washington State Route 3 
Primary State Highway 3 (Washington) (former)
West Virginia Route 3
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Territories
Guam Highway 3- Interstate PR-3 (unsigned)
Puerto Rico Highway 3 
Puerto Rico Highway 3R
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Uruguay
Route 3 Gral. José Artigas
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| Previous | Lists of highways | Next |
|---|---|---|
| 2 | 3 | 4 |
References
- ^ http://www.bangkokpost.com/news/special-reports/1180397/against-the-flow Retrieved 15 January 2017. "On the other hand, the income of Thai compost producers is declining as several key ingredients, including durian husk and other fruit peels, are being bought off and sent on transport trucks bound to China via Laos' R3A highway."