This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer to : **

A3 (Sydney) The A3 is a route designation of a major metropolitan arterial route through suburban Sydney, connecting the A8 at Mona Vale at its northern end, to Princes Highway at Blakehurst at its southern end. This name covers a few consecutive roads ...

, a road in

Sydney Sydney is the capital city of the States and territories of Australia, state of New South Wales and the List of cities in Australia by population, most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Syd ...

connecting the

Northern Beaches The Northern Beaches is a region within Northern Sydney, in the state of New South Wales, Australia, near the Pacific coast. This area extends south to the entrance of Port Jackson (Sydney Harbour), west to Middle Harbour and north to the ...

and Southern suburbs **

Cross Road, Adelaide Cross Road is a major arterial road that travels east–west through the inner southern suburbs of the Australian city of Adelaide. It is designated route A3. Route Cross Road starts at the intersection at Anzac Highway in Plympton and heads ...

, a road connecting

Plympton Plympton is a suburb of the city of Plymouth in Devon, England. It is in origin an ancient Stannary, stannary town. It was an important trading centre for locally mined tin, and a seaport before the River Plym silted up and trade moved down riv ...

Adelaide Adelaide ( , ; ) is the list of Australian capital cities, capital and most populous city of South Australia, as well as the list of cities in Australia by population, fifth-most populous city in Australia. The name "Adelaide" may refer to ei ...

and

Glen Osmond Glen Osmond is a suburb of Adelaide, South Australia in the City of Burnside which is in the foothills of the Adelaide Hills. It is well known for the road intersection on the western side of the suburb, where the South Eastern Freeway (National ...

Tasman Highway The Tasman Highway (or A3) is a highway in Tasmania, Australia. Like the Midland Highway (Tasmania), Midland Highway, it connects the major cities of Hobart and Launceston, Tasmania, Launceston – however it takes a different route, via the no ...

, a road connecting

Hobart Hobart ( ) is the capital and most populous city of the island state of Tasmania, Australia. Located in Tasmania's south-east on the estuary of the River Derwent, it is the southernmost capital city in Australia. Despite containing nearly hal ...

and Launceston **

Burnett Highway The Burnett Highway is an inland rural highway located in Queensland, Australia. The highway runs from its junction with the Bruce Highway at Gracemere, Queensland, Gracemere, just south of Rockhampton, Queensland, Rockhampton, to the D'Aguilar ...

, Queensland **

D'Aguilar Highway The D'Aguilar Highway is a two-lane highway linking the Bruce Highway near Caboolture with the Bunya Highway in Kingaroy in the state of Queensland, Australia. Major towns along the route include Woodford, Kilcoy, Blackbutt, Yarraman, ...

, Queensland **

Gympie Road Gympie Road is a major road in the northern suburbs of Brisbane, Queensland, Australia. The road forms part of the main road route from the Brisbane Central Business District (CBD) to the northern suburbs, Sunshine Coast and east coast of Q ...

Brisbane Brisbane ( ; ) is the List of Australian capital cities, capital and largest city of the States and territories of Australia, state of Queensland and the list of cities in Australia by population, third-most populous city in Australia, with a ...

, Queensland **

New England Highway New England Highway is an long highway in Australia running from Yarraman, Queensland, Yarraman, north of Toowoomba, Queensland, at its northern end to Hexham, New South Wales, Hexham at Newcastle, New South Wales, Newcastle, New South Wales, ...

, Queensland *

A3 motorway (Austria) This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...

, a road connecting Knoten Guntramsdorf and Ebreichsdorf *

A3 motorway (Belgium) The A3 is a Belgian motorway (mainly classified as the E40) extending from the east of Brussels (Boulevard Reyers), through Leuven, onwards to Liège. Just past the ring of Liège, the motorway continues to Verviers, Eupen and the German border. ...

, a road connecting Brussel and Liège * A3 motorway (Bulgaria), a road connecting Sofia (via A6) and the border crossing to Greece, at the village of Kulata *

A3 highway (Botswana) This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...

, connecting Francistown and Maun *

A3 motorway (Croatia) The A3 motorway () is a major Motorways in Croatia, motorway in Croatia spanning . The motorway connects Zagreb, the nation's capital, to the historical Slavonia region of Croatia and a number of cities along the Sava, Sava River. It represents ...

, a road connecting the border crossings with Slovenia and Serbia and passing through Zagreb * A3 motorway (Cuba), a road connecting Havana and Melena del Sur *

A3 motorway (Cyprus) The A3 motorway (''Greek: δρόμος Διεθνούς Αερολιμένα Λάρνακας - Αγίας Νάπας'') is a modern motorway linking Larnaca International Airport, the largest airport in Cyprus, and Ayia Napa, a popular seaside d ...

, a road connecting Larnaca and Ayia Napa *

A3 motorway (France) The A3 Autoroute is a French autoroute located entirely within the department of Seine-Saint-Denis, serving Montreuil, Rosny-sous-Bois, and Bondy. Its southern terminus is an interchange with the Boulevard Périphérique at the Porte de Ba ...

, a road connecting Montreuil-sous-Bois, Rosny-sous-Bois and Bondy *

A3 motorway (Germany) is an autobahn in Germany running from the Germany-Netherlands border near Wesel in the northwest to the Germany-Austria border near Passau. Major cities along its total length of 778 km (483 mi) include Oberhausen, Duisburg, Düsse ...

, a road connecting Wesel and Passau *

A3 motorway (Greece) The A3 motorway, also known as the Central Greece motorway () or the E65 motorway, is a partially completed controlled-access highway in Greece. It will link the A1 motorway (Greece), A1 near Lamia (city), Lamia with the A2 motorway (Greece), A2 ...

, a road connecting Lamia and Grevena *

A3 motorway (Italy) The Autostrada A3 is an ''autostrada'' (Italian for "motorway") long in Italy located in the region of Campania, which runs from Naples to Salerno. It is a part of the E45 European route. Until 2017 the route was much longer, going after Sale ...

, a road connecting Naples and the Reggio Calabria *

A3 road (Jamaica) The roads in Jamaica allow people and goods to traverse the island of Jamaica, which is the third largest in the Caribbean. As of 2011, Jamaica has road network 22,121 kilometres in length. Road network According to the National Works Agency ...

, a road connecting Kingston and Saint Ann's Bay *

A3 highway (Kazakhstan) A3 is a national highway in Kazakhstan that runs from Almaty to Oskemen with a total length of . The route starts in Almaty, where it goes north and passes cities of Kapchagay, Taldyqorgan and settlements of Sarqan, Ayagoz and Qalbatau until i ...

, a road connecting Almaty to Oskemen *

A3 road (Kenya) A3, A03 or A.III may refer to: * A3 paper, a paper size defined by ISO 216 Biology * A3 regulatory sequence, a sequence for the insulin gene * Adenosine A3 receptor, a human gene * Annexin A3, a human gene * ATC code A03 ''Drugs for functio ...

, a road connecting to Liboi at the Somali border *

A3 road (Latvia) A3, A03 or A.III may refer to: * A3 paper, a paper size defined by ISO 216 Biology * A3 regulatory sequence, a sequence for the insulin gene * Adenosine A3 receptor, a human gene * Annexin A3, a human gene * ATC code A03 ''Drugs for functi ...

, a road connecting Inčukalns and the Estonian border in Valka * A3 highway (Lesotho), a road connecting Mantsonyane and Thaba-Tseka *

A3 highway (Lithuania) This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...

, a road connecting Vilnius and Minskas * A3 motorway (Luxembourg), a road connecting Luxembourg City to Dudelange * A3 road (Malaysia), a road in Sabah * A3 motorway (Morocco), a road connecting Casablanca and Rabat *

A3 highway (Nigeria) The A3 highway is a major arterial road in Nigeria, connecting the city of Port Harcourt in the south to the Cameroon border at Gamboru in the northeast. It is a transportation route, serving several cities and regions in Nigeria. Route The A3 ...

, a road connecting Port Harcourt to the Republic of Cameroon at north-east Nigeria * ''A3 road (People's Republic of China)'' may refer to : ** A3 expressway (Shanghai), the former name of the S3 expressway, a planned expressway in Shanghai * A3 autostrada (Poland), a formerly planned motorway in western Poland *

A3 motorway (Portugal) A3 is a motorway in northern Portugal, connecting Valença and Porto via Braga to the Portugal–Spain border, on the Minho River at Tui, where it connects to the Autovía A-55 in Galicia (Spain) Galicia ( ; or ; ) is an Autonomous co ...

, a road connecting Porto and Braga *

A3 motorway (Romania) The A3 motorway () is a partially built motorway in Romania, planned to connect Bucharest with the Transylvania region and the north-western part of the country. It will be 596 km long and will run along the route: Ploiești, Brașov, Făgă ...

, a road planned to connect when fully constructed Bucharest to the western border near Oradea *

A3 motorway (Serbia) The A3 motorway () is a motorway in Serbia which spans and is part of the European route E70 through Serbia. It crosses the Syrmia region from east to west, starting at Belgrade and ending at the border crossing with Croatia. Route The A3 mot ...

, a road connecting Belgrade and Croatian border *

A3 motorway (Slovenia) This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...

, a road connecting Gabrk and Fernetiči at the Italian border * ''A3 road (Spain)'' may refer to : ** A-3 motorway (Spain), a road connecting Madrid and Valencia **

A3 motorway (Extremadura) The A3 motorway (''Autovía EX-A3'') is a road in Extremadura connecting Zafra and Jerez de los Caballeros Jerez de los Caballeros () is a town of south-western Spain, in the province of Badajoz. It is located on two hills overlooking the River ...

, a road connecting Zafra and Jerez de los Caballeros *

A3 motorway (Switzerland) The A3 is a motorway in northeast Switzerland, running diagonally from France toward the southeast border, and passing by Zürich on the way. The total length of the A3 motorway spans roughly , but parts of the road share sections of the A1 mo ...

, a road connecting Basel and Sargans * A 3 road (Sri Lanka), a road connecting Peliyagoda and Puttalam *

A3 motorway (Tunisia) The A3 motorway links Tunis, the capital city of Tunisia, and the city of Bou Salem away. The Tunisian government plans to extend the highway a further from its current limit to reach the Algerian Border, with a total distance of . The first ...

, a road connecting Tunis and Oued Zarga * ''A3 road (United Kingdom)'' may refer to : **

A3 road (Great Britain) The A3, known as the Portsmouth Road or London Road in sections, is a major road connecting the City of London and Portsmouth passing close to Kingston upon Thames, Guildford, Haslemere and Petersfield. For much of its length, it is classified ...

, a road connecting London and Portsmouth **

A3 road (Isle of Man) "A" roads "B" roads Note: Many of these roads in rural areas do not lead to or from anywhere remotely notable, while many of the roads within towns and villages are very short indeed. This makes it problematic to include "to" or "from" des ...

, a road connecting Castletown and Ramsey **

A3 road (Northern Ireland) The A3 is a major road in Northern Ireland. It travels through County Antrim, County Down, County Armagh and parts of southern County Fermanagh. The route branches off the A1, and from the start of the route at Lisburn to the border near ...

, a road connecting Lisburn and Middletown * ''A3 road (United States of America)'' may refer to : **

Interstate A-3 The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access highways that forms part of the National H ...

, a road connecting Anchorage and Soldotna ** County Route A3, a road connecting Standish and Buntingville * A3 road (Zimbabwe), a road connecting Manicatown and Harare via Chitungwiza

See also