The A2 is the name for motorways in many countries:
- In Germany the A2 from the Ruhr Area to Berlin.
- In the Netherlands the A2 from Amsterdam to Belgium.
- In Romania the A2 (Sun's Motorway) from Bucharest to Constanţa (75% completed).
- In France the A2 from Valenciennes to A1.
- In Poland the A2 from Świecko to Stryków.
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