| Country: | DEU |
| Type: | A |
| Route: | 573 |
| Length Km: | 3 |
| States: | Rhineland-Palatinate |
is an autobahn in Germany. It leads from the A 61 through Bad Neuenahr and ends behind Bad Neuenahr at a provisional connection. The extension to Linz am Rhein with a bridge is planned, but will be realized as the Bundesstraße 266.
The A 573 was originally planned as the southern end of the A 31.
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