A roads may be
This is a list of road numbering systems which include A roads.
| Country | Area | Type of road | See | |
|---|---|---|---|---|
| Australia | Main roads | Highways in Australia | ||
| Austria | Motorways | Autobahns of Austria | ||
| Belgium | Motorways | List of motorways in Belgium | ||
| Botswana | Main roads | Roads in Botswana | ||
| Bulgaria | Motorways | Motorways in Bulgaria | ||
| Canada | Quebec | Freeways | Autoroutes of Quebec | |
| Croatia | Motorways | Motorways in Croatia | ||
| Cyprus | Motorways | Motorways and roads in Cyprus | ||
| France | Motorways | Autoroutes of France | ||
| Germany | Motorways | German Autobahnen | ||
| Greece | Motorways | Motorways in Greece | ||
| Isle of Man | Main roads | A roads on the Isle of Man | ||
| Italy | Motorways | Autostrade of Italy | ||
| Jamaica | Main roads | Roads in Jamaica | ||
| Jersey | Main roads | Roads in Jersey | ||
| Kenya | Main roads | Roads in Kenya | ||
| Latvia | Main roads | A roads in Latvia | ||
| Lesotho | Main roads | A3 highway (Lesotho) | ||
| Lithuania | Main roads | A roads in Lithuania | ||
| Malaysia | Perak | State roads | Malaysian State Roads system | |
| Morocco | Motorways | Moroccan expressways | ||
| Namibia | Motorways | Roads in Namibia | ||
| Netherlands | Motorways | List of motorways in the Netherlands | ||
| Poland | Motorways | Motorways in Poland | ||
| Portugal | Motorways | Auto-estrada | ||
| Romania | Motorways | Motorways in Romania | ||
| Slovenia | Motorways | Motorways in Slovenia | ||
| Spain | Motorways | List of autopistas and autovias in Spain | ||
| Sri Lanka | Main roads | A roads in Sri Lanka | ||
| Switzerland | Motorways | Autobahns of Switzerland | ||
| Tunisia | Motorways | Motorways in Tunisia | ||
| United Kingdom | Great Britain | Main roads | A roads in Great Britain | |
| United Kingdom | Northern Ireland | Main roads | List of A roads in Northern Ireland | |
| United States | Alaska | Interstate highways | Interstate Highways in Alaska | |
| United States | Northeast California | County routes | California county routes in zone A | |
| United States | Georgia and North Carolina | Mixed | Corridor A | |
| United States | Michigan between I-96 and US 127 | County highways | List of County-Designated Highways in Michigan | |
| Zimbabwe | Primary routes | Transport in Zimbabwe |