International
- Asian Highway 2, an international road from Indonesia to Iran
-
European route E002 -
Trans-Sahara Highway
The following highways are numbered 2. For roads numbered A2, see list of A2 roads. For roads numbered B2, see the list of B2 roads. For roads numbered M2, see list of M2 roads. For roads numbered N2, see list of N2 roads.
European route E002 
Trans-Sahara Highway 
Thailand Route 2 (Mittraphap Road)
SH-2 Highway in Albania from Tirana to Durrës.
A2 motorway (Egnatia Odos)
EO2 road 
National Road 2 (R2) 
M2 highway (M2/E584) is a national road with highway status. This route leaves Chișinău, via Orhei and the route arrives at Soroca, on the border with Ukraine
National road 2 (DK2) 
Motorway of Freedom (A2/E30) 
expressway S2, Southern Warsaw Bypass
Alberta Highway 2 (including the Queen Elizabeth II Highway)
British Columbia Highway 2 
Manitoba Highway 2 
New Brunswick Route 2 (part of the Trans-Canada Highway)
Newfoundland and Labrador Route 2 
Northwest Territories Highway 2 
Nova Scotia Trunk 2 
Ontario Highway 2 (almost entirely removed from the network)
Prince Edward Island Route 2 
Quebec Route 2 (former)
Saskatchewan Highway 2 
Yukon Highway 2 
Interstate 2 
Interstate A-2 (unsigned)
Interstate H-2 
U.S. Route 2 
U.S. Route 2N (former)
U.S. Route 2S (former)
New England Interstate Route 2 (former)
Alabama State Route 2 
Alaska Route 2 
Arkansas Highway 2 (former)
California State Route 2 
Colorado State Highway 2 
Connecticut Route 2 
Delaware Route 2 
Florida State Road 2 
Georgia State Route 2 
Illinois Route 2 
Indiana State Road 2 
Iowa Highway 2 
K-2 (Kansas highway) 
Kentucky Route 2 
Louisiana Highway 2 
Louisiana State Route 2 (former)
Maryland Route 2 
Massachusetts Route 2 Mississippi Highway 2 
Missouri Route 2 
Missouri Route 2 (1922) (former)
Montana Highway 2 
Nebraska Highway 2 
Nevada State Route 2 (former) 
Nevada State Route 2B (former)
Nevada State Route 2C (former)
New Jersey Route 2 (former) 
New Mexico State Road 2 
New York State Route 2 
County Route 2 (Allegany County, New York) County Route 2 (Chemung County, New York) County Route 2 (Chenango County, New York) 
County Route 2 (Clinton County, New York) County Route 2 (Columbia County, New York) County Route 2 (Delaware County, New York) 
County Route 2 (Dutchess County, New York) 
County Route 2 (Erie County, New York) 
County Route 2 (Essex County, New York) 
County Route 2 (Franklin County, New York) County Route 2 (Genesee County, New York) County Route 2 (Lewis County, New York) County Route 2 (Madison County, New York) County Route 2 (Monroe County, New York) 
County Route 2 (Nassau County, New York) County Route 2 (Niagara County, New York) County Route 2 (Oneida County, New York) County Route 2 (Onondaga County, New York) County Route 2 (Ontario County, New York) County Route 2 (Oswego County, New York) 
County Route 2 (Rensselaer County, New York) County Route 2 (Steuben County, New York) 
County Route 2 (Suffolk County, New York) 
County Route 2 (Washington County, New York) 
County Route 2 (Yates County, New York) 
North Carolina Highway 2 
Ohio State Route 2 
Oklahoma State Highway 2 
Oregon Route 2 (former)
Pennsylvania Route 2 (former)
Rhode Island Route 2 
South Carolina Highway 2 
Tennessee State Route 2 
Texas State Highway 2 (former) 
Utah State Route 2 (former)
Vermont Route 2B 
Virginia State Route 2 
Washington State Highway 2 (former)
West Virginia Route 2 
M2 Hills Motorway Lane Cove Tunnel 
Windsor Road, Sydney
Gold Coast Highway (Queensland, New South Wales) (future 
) Namatjira Drive
Warrego (
Toowoomba Bypass), Landsborough, and Barkly Highways (Queensland)
Warrego and Mitchell Highway Gold Coast Highway (Queensland, New South Wales)
Brisbane Tullamarine Freeway (Melbourne) CityLink Tolled Freeway State Route 2 (Western Australia) – Mitchell Freeway, Kwinana Freeway, and Forrest Highway | Preceded by 1 | Lists of highways 2 | Succeeded by 3 |
