# List of highways numbered 3

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

* AH3 Asian Highway 3
* E03 European route E03
* E003 European route E003
* Tripoli – Cape Town Highway

## Albania

* A3 motorway (Albania)
* SH-3 Road in Albania from Kapshtice to Tirana.

## Argentina

* National Route 3

## Australia
### New South Wales

* A3 (Sydney)

### Northern Territory

* (Northern Territory)

### Queensland

* M3/A3 (Brisbane)
* Burnett Highway (Queensland)
* State Route 3 (Queensland) – Isis Highway

### South Australia

* Cross Road

### Tasmania

* Tasman Highway

### Victoria

** Eastern Freeway (Melbourne)
** EastLink (Melbourne) (Toll)
** Frankston Freeway
** Nepean Highway

### Western Australia

* State Route 3 (Western Australia) – Reid Highway and Roe Highway

## Austria

* Südost Autobahn

## Belgium

* R3 (ring road)

## Bolivia

* National Route 3 (Bolivia)

## Bulgaria

* Републикански път I-3
* Struma motorway (A3/E79)

## Burma

* National Highway 3 (Burma)

## Cambodia

* National Highway 3 (Cambodia)

## 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)
* Saskatchewan Highway 3
* Yellowknife Highway (Northwest Territories Highway 3)
* Yukon Highway 3

## China

* G3 Expressway

## Costa Rica

* National Route 3

## Cuba

* Autopista A3
* Highway I–3
** Highway 1–I–3
** Highway 2–I–3
** Highway 3–I–3
** Highway 4–I–3

## Czech Republic

* D3 motorway
* I/3 Highway (in Czech)

## Djibouti

* RN-3 (Djibouti)

## Dominican Republic

* DR-3

## Eswatini

* MR3 road

## Finland

* Vt 3 Finnish national road 3
* Åland Islands Highway 3

## Germany

* A 3 Bundesautobahn 3
* B 3 Bundesstraße 3

## Greece

* A3 motorway (also known as the E65 motorway)
* EO3 road

## Hong Kong

* Route 3 (Hong Kong)

## Hungary

* M3 motorway (Hungary)
* Main road 3 (Hungary)

## India

* National Highway 3 (India)
* National Highway 3 (India, old numbering)

## Indonesia

* Indonesian National Route 3

## Iran

* Freeway 3 (Iran)

## Iraq

* Highway 3 (Iraq)

## Ireland

* M3 motorway (Republic of Ireland)
* N3 road (Ireland)

## Israel

* Highway 3 (Israel)

## Italy

* Autostrada A3
* RA 3

## Japan

* National Route 3
* Kyushu Expressway
** Minamikyushu Expressway (branch of the Kyushu Expressway)
* Route 3 (Shuto Expressway) in the Shibuya area of Tokyo
* Route 3 (Nagoya Expressway)
* Kobe Route

## Kazakhstan

* A3 highway (Kazakhstan)

## Korea, South

* National Route 35

## Laos

* R3A highway

## Malaysia

* Second Link Expressway
* FT 3 Malaysia Federal Route 3

## Mexico

* Mexican Federal Highway 3

## Moldova

* Magistrala 3
* Road 3

## New Zealand

* New Zealand State Highway 3
** New Zealand State Highway 3A

## Nigeria

* A3 highway (Nigeria)

## Oman

* Route 3 (Oman)

## Paraguay

* National Route 3

## Philippines

* C-3 Circumferential Road 3
* R-3 Radial Road 3
* N3 highway (Philippines)
* E3 expressway (Philippines)

## Poland

* A 3 Autostrada A3 (planned 1993-2001; unbuilt)
* S 3 Expressway S3
* DK 3 National road 3

## Romania

* Drumul Naţional 3
* Autostrada A3

## Russia

* M3 highway (Russia)

## Sri Lanka

* A3 Colombo-Puttalam Road
* E03 Colombo–Katunayake Expressway

## South Africa

* N3 (South Africa)
* M3 (Cape Town)
* M3 (Pretoria)

## Taiwan (Republic of China)

* Freeway 3 (Taiwan)
* Provincial Highway 3 (Taiwan)

## Thailand

* Thailand Route 3 (Sukhumvit Road)

## Turkey

* O-3, a motorway in Turkey running from Edirne to Istanbul.

## United Kingdom

* M3 motorway (Great Britain)
* A3 road (Great Britain)
* M3 motorway (Northern Ireland)
* A3 road (Northern Ireland)

## 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
** 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
** 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)
** 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
** 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

### Territories

* Guam Highway 3
* Interstate PR-3 (unsigned)
* Puerto Rico Highway 3
** Puerto Rico Highway 3R

## Uruguay

* Route 3 Gral. José Artigas

## Zambia

* T3 road (Zambia)
* M3 road (Zambia)