List of highways numbered 1
The following highways are numbered 1.
For roads numbered A1, see list of A1 roads.
For roads numbered B1, see list of B1 roads.
For roads numbered M1, see List of M1 roads.
For roads numbered N1, see list of N1 roads.
For roads numbered S1, see List of highways numbered S1.
International
- Asian Highway 1, an international route from Japan to the Turkish-Bulgarian border
- European route E1
- European route E001
- Cairo–Dakar Highway
Afghanistan
- Highway 1, also called A01 and formally called the Ring Road, circles Afghanistan connecting Kabul, Ghazni, Kandahar, Farah, Herat, and Mazar.
Albania
- National Road 1, road running from border Montenegro to Tirana.
- Albania–Kosovo Highway
Algeria
- Algeria East–West Highway
Andorra
- CG-1
Argentina
- National Route 1
- National Route A001
- Santa Fe Provincial Highway 01
Australia
- Highway 1, a highway connecting all of the country's state capitals and also Darwin, Northern Territory.
- All Motorways in the route of National Highway 1
- Tolled Motorway in the route of National Highway 1
- All roads with national significance on National Highway 1
- In QLD and WA
- Part of it is the NT and SA
- Ring Route 1, South Australia
- – Detour of the M1 Pacific Motorway
- Wollogorang Road replaces National Route 1
- Highway 1
Austria
- West Autobahn
Bangladesh
Belarus
- M1 highway
Belgium
- Autoroute A1 - Autosnelweg A1 - Autobahn A1
Bolivia
- National Route 1
Bosnia and Herzegovina
- A1
Bulgaria
- Trakia motorway
- I-1 road
Cambodia
- National Highway 1
Canada
- Alberta Highway 1
- British Columbia Highway 1
- Manitoba Highway 1
- Newfoundland and Labrador Route 1
- Prince Edward Island Route 1
- Saskatchewan Highway 1
- New Brunswick Route 1
- Nova Scotia Trunk 1
- Northwest Territories Highway 1
- Quebec Route 1
- Yukon Highway 1
Chile
- Chile Route 1
People's Republic of China
- G1 Expressway
- * G1N Expressway
- * G0111 Expressway
- S01 Expressway
- S1 Expressway
- S1 Expressway
- S1 Expressway
- S01 Expressway
- S1 Expressway
- S1 Expressway
- S1 Expressway
- S1 Expressway
- S1 Expressway
- S1 Expressway
Republic of China (Taiwan)
- National Freeway 1
- * Provincial Highway 1
Colombia
- National Route 1
Costa Rica
- National Route 1
Cuba
- Autopista A1
- * Autopista A1–1
- Highway N–1
- * Highway 1–N–1
- * Highway 2–N–1
- * Highway 3–N–1
- * Highway 4–N–1
- * Highway 5–N–1
- * Highway 6–N–1
- Highway 1–1
- Highway 1–1
- Highway 5–1
Cyprus
- A1 motorway
- B1 road
Czechia
- D1 from Prague to Ostrava
Democratic Republic of the Congo
- National Road 1
Djibouti
- RN-1
Dominican Republic
- DR-1
Estonia
- Estonian national road 1
Equatorial Guinea
- AP-1 Motorway
Finland
- Finnish national road 1
- * Åland Islands Highway 1
France
- Autoroute A1
- Route nationale 1
Georgia
- S1 Highway
- SH1 Road
Germany
- Bundesautobahn 1
- Bundesstraße 1
Ghana
- N1 road
Greece
- A1 motorway
- EO1 road
Hong Kong
- Route 1
Hungary
- M1 motorway
- Main road 1
Iceland
- Route 1
India
- National Expressway 1
- National Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
- State Highway 1
Indonesia
- Indonesian National Route 1
Iran
- Freeway 1
Iraq
- Freeway 1
- Highway 1
Ireland
- M1 motorway
- N1 road
Israel
- Highway 1
Italy
- Autostrada A1
- RA 1
- Strada statale 1
- T1
Japan
- *
- *
- *
- Route 1 in Osaka
- Route 1
- Route 1 in Tokyo
Kazakhstan
- A1 highway
Laos
- Route 1C
- Route 1E
- Route 1I
Latvia
- A1 road
Lithuania
- A1 highway
Luxembourg
- A1 motorway
Malaysia
- Malaysia Federal Route 1
- Malaysia Federal Route 1
- Malaysia Federal Route 1
- Jalan Jelapang
- Jalan Meru
- Iskandar Coastal Highway
- Jalan Bedong—Kuala Muda
- Federal Route 1265
- Jalan Permatang Bendahari
Martinique
- A1 autoroute
Mexico
- Mexican Federal Highway 1
Moldova
- M1 highway
- R1 road
Morocco
- Rabat–Tangier expressway
- National Route 1
Myanmar
- National Highway 1
Namibia
- A1 road
Nepal
- Mahendra Highway
Netherlands
- Rijksweg 1
New Zealand
- State Highway 1
Nicaragua
- NIC-1
Niger
- Route nationale 1, main east–west highway
Nigeria
- A1 highway
North Macedonia
- A1 motorway
Oman
- Route 1
Pakistan
- M1 motorway
Panama
- Highway 1 is the Pan-American Highway
Paraguay
- Image:R1-PY.svg|20px| National Route 1
Peru
- 20px Highway 1
Philippines
- Circumferential Road 1
- Radial Road 1
- N1 highway
- E1 expressway
Poland
- A1 autostrada
- Expressway S1
- National road 1
Portugal
- A1 motorway
Romania
- Drumul Național 1
- A1 motorway
Russia
- M1 highway
Senegal
- Autoroute A1
- N1 road
Serbia
- A1 motorway
Slovakia
- D1 motorway
- R1 expressway
Slovenia
- A1 motorway
South Africa
- N1 road
- M1
- M1
- M1
- M1
- M1
South Korea
- Gyeongbu Expressway
- National Route 1
Spain
- Autovía A-1
- Autopista AP-1
- Autovía AS-I
- A1 motorway
- Autopista GC-1
- R-1 motorway
- A1 motorway
- Autovía RM-1
Sri Lanka
- Colombo-Kandy Road
- Southern Lanka Distributor
Switzerland
- A1 motorway
- * A1h motorway
- * A1l motorway
- * A1.1 motorway
Tanzania
- T1 road
Thailand
- Thailand Route 1
Tunisia
- A1 motorway
Turkey
- Otoyol 1
Ukraine
- Highway M01
- Highway H01
United Kingdom
- M1 motorway
- A1 road
- A1 road
- A1 road
- M1 motorway
- A1 road
United States
- Interstate A-1
- Interstate H-1
- U.S. Route 1
- New England Route 1
- Alabama State Route 1
- * County Route 1
- * County Route 1
- Alaska Route 1
- County Route 1
- Arkansas Highway 1
- California State Route 1
- Colorado State Highway 1
- Delaware Route 1
- Florida State Road A1A
- Georgia State Route 1
- * Georgia State Route 1E
- Idaho State Highway 1
- Illinois Route 1
- Indiana State Road 1
- Iowa Highway 1
- K-1
- Kentucky Route 1
- Louisiana Highway 1
- M-1
- Minnesota State Highway 1
- Mississippi Highway 1
- Missouri Route 1
- Montana Highway 1
- Nebraska Highway 1
- Nevada State Route 1
- New Jersey Route 1
- * County Route 1
- New Mexico State Road 1
- New York
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- * County Route 1
- North Dakota Highway 1
- Ohio State Route 1
- Oklahoma State Highway 1
- Pacific Highway No. 1
- Pennsylvania Route 1
- Tennessee State Route 1
- Texas State Highway 1
- * Texas State Highway Loop 1
- * Texas State Highway NASA Road 1
- * Texas Farm to Market Road 1
- * Texas Ranch Road 1
- Utah State Route 1
- Interstate PRI-1
- American Samoa Highway 001
- Guam Highway 1
- Puerto Rico Highway 1
- * Puerto Rico Highway 1P
Uruguay
- Route 1 Gral. Manuel Oribe
Vietnam
- National Route 1
Zambia
- T1 road
- M1 road