List of highways numbered 3 explained
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
Albania
Argentina
Australia
New South Wales
Northern Territory
Queensland
South Australia
Tasmania
Victoria
Western Australia
Austria
Belgium
Bulgaria
Burma
Cambodia
Canada
China
Costa Rica
Cuba
Czech Republic
Djibouti
Dominican Republic
Eswatini
Finland
Germany
Hong Kong
Hungary
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Japan
Kazakhstan
Korea, South
Laos
Malaysia
Mexico
Moldova
New Zealand
Nigeria
Oman
Paraguay
Philippines
Poland
Romania
Russia
Sri Lanka
South Africa
Taiwan (Republic of China)
Thailand
Turkey
United Kingdom
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
- 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
- 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
- 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)
- New York State Route 3B (1930–1932) (former)
- New York State Route 3B (1932–1935) (former)
- New York State Route 3C (1930–1932) (former)
- New York State Route 3C (1932–1935) (former)
- New York State Route 3D (1931–1932) (former)
- New York State Route 3D (1932–1935) (former)
- New York State Route 3E (1930–1932) (former)
- New York State Route 3E (1932–1935) (former)
- New York State Route 3F (1931–1932) (former)
- New York State Route 3F (1932–1935) (former)
- 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
- North Dakota Highway 3
- Ohio State Route 3
- Oklahoma State Highway 3
- 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
Territories
Uruguay
Zambia
Notes and 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."
