List of highways numbered 1

International

• Asian Highway 1, an international route from Japan to the Turkish-Bulgarian border
• European route E01
• 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, also known as Buenos Aires - La Plata Highway connects the cities of Buenos Aires and La Plata. It has a length of 50 km.

  Australia

• Highway 1, a highway connecting all of the country's state capitals and also Darwin, Northern Territory.

  Austria

• West Autobahn

  Bangladesh

Belarus

• M1 highway

  Belgium

• Autoroute A1 - Autosnelweg A1 - Autobahn A1

  Bosnia and Herzegovina

• A1

  Bulgaria

• Trakia motorway
• I-1 road

  Cambodia

• National Highway 1

  Canada

• Alberta Highway 1
• * Alberta Highway 1A
• * Alberta Highway 1X
• British Columbia Highway 1
• * British Columbia Highway 1A
• Manitoba Highway 1
• * Manitoba Highway 1A
• Newfoundland and Labrador Route 1
• Prince Edward Island Route 1
• * Route 1A
• 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

  China

• G1 Expressway
• * G1N Expressway
• * G0102 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

  Costa Rica

• National Route 1

  Cuba

• Autopista A1

  Cyprus

• A1 motorway
• B1 road

  Czech Republic

• D1 from Prague to Ostrava

  Djibouti

• National Highway 1

  Estonia

• Estonian national road 1

  Equatorial Guinea

• AP-1 Motorway

  Finland

• Finnish national road 1

  France

• Autoroute A1
• Route nationale 1

  Georgia

• S1 Highway
• SH1 Road

  Germany

• Bundesautobahn 1 in Germany
• Bundesstraße 1 in Germany
• * Bundesstraße 1a, branch of Bundesstraße 1

  Ghana

• N1 road

  Greece

• Motorway 1
• Greek National Road 1

  Hong Kong

• Route 1

  Hungary

• M1 motorway
• Main road 1

  Iceland

• Route 1

  India

• *
• *
• *
• 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
• RA1
• Strada Statale 1
• Mont Blanc Tunnel

  Japan

• *
• *
• *
• Route 1 in Osaka
• Route 1
• Route 1 in Tokyo

  Kazakhstan

• A1 highway

  Namibia

• A1 road

  South Korea

• Gyeongbu Expressway
• National Route 1

  Laos

• Route 1A
• Route 1C
• Route 1E
• Route 1I

  Latvia

• A1 road

  Lithuania

• A1 highway

  Luxembourg

• A1 motorway

  Malaysia

• Malaysia Federal Route 1
• North–South Expressway Northern Route

  Martinique

• A1 autoroute

  Mexico

• Mexican Federal Highway 1
• Mexican Federal Highway 1D

  Moldova

• R1
• * Highway 1

  Morocco

• Rabat–Tangier expressway
• National Route 1

  Myanmar

• National Highway 1

  Nepal

• Mahendra Highway

  Netherlands

• Rijksweg 1

  New Zealand

• New Zealand State Highway 1
• * New Zealand State Highway 1B

  Nicaragua

• NIC-1

  Niger

• Route nationale 1, main east-west highway

  North Macedonia

• A1 motorway

  Pakistan

• M1 motorway

  Panama

• Highway 1 is the Pan-American Highway

  Paraguay

• National Route 1

  Philippines

• Circumferential Road 1
• Radial Road 1
• N1 highway
• E1 expressway

  Poland

• A1 autostrada
• Expressway S1
• National road 1

  Portugal

• A1 motorway

  Romania

• A1 motorway
• Drumul Naţional 1
• * Drumul Naţional 1A
• * Drumul Naţional 1C
• * Drumul Naţional 1F

  Russia

• M1 highway

  Senegal

• Autoroute A1
• N1 road

  Serbia

• A1 motorway

  Slovakia

• D1 motorway
• R1 expressway

  Slovenia

• A1 motorway

  South Africa

• N1 road

  Spain

• Autovía A-1
• Autopista AP-1
• Autovía AS-I
• A1 motorway
• Autopista GC-1
• R-1 motorway
• Autovía RM-1

  Sri Lanka

• A1 highway | Colombo-Kandy Road
• Southern Lanka Distributor

  Switzerland

• A1 motorway
• * A1a motorway
• * A1h motorway
• * A1l motorway
• * A1.1 motorway

  Taiwan

• National Highway 1
• Provincial Highway 1

  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
• Interstate PRI-1
• U.S. Route 1
• U.S. Route 1A
• U.S. Route 1 Business
• U.S. Route 1 Business
• New England Route 1

• Alabama State Route 1
• Alaska Route 1
• Arkansas Highway 1
• California State Route 1; merges in some places with U.S. Route 101
• Colorado State Highway 1
• Delaware Route 1
• Delaware Route 1A
• Delaware Route 1B
• Delaware Route 1D
• Florida State Road A1A
• Georgia State Route 1
• Idaho State Highway 1
• Illinois Route 1
• Indiana State Road 1
• Iowa Highway 1
• K-1
• Kentucky Route 1
• Louisiana Highway 1
• Massachusetts Route 1A, Alternate route of U.S. Route 1
• M-1
• Minnesota State Highway 1
• Mississippi Highway 1
• Missouri Route 1
• Montana Highway 1
• Nebraska Highway 1
• Nebraska Spur 1B
• Nebraska Spur 1D
• Nevada State Route 1
• New Hampshire Route 1A, Alternate route of U.S. Route 1
• New Hampshire Route 1B, Alternate route of U.S. Route 1
• New Jersey Route 1
• New Mexico State Road 1
• New York State Route 1A
• New York State Route 1B
• New York State Route 1X
• North Dakota Highway 1
• Ohio State Route 1
• Ohio State Route 1
• Oklahoma State Highway 1
• Pacific Highway No. 1
• Pennsylvania Route 1
• Rhode Island Route 1A, Alternate route of U.S. 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
• Secondary State Highway 1A

• American Samoa Highway 001
• Guam Highway 1
• Interstate PRI-1
• Puerto Rico Highway 1
• * Puerto Rico Highway 1P

  Uruguay

• Route 1 Gral. Manuel Oribe

  Vietnam

• National Route 1A
• National Route 1B
• National Route 1C
• National Route 1D
• National Route 1K