In order to raise public awareness and to check the transmission routes and the functionality of the siren systems, two siren trial runs are carried out annually in the district of Groß-Gerau and are no cause for concern.

The next rehearsal will take place on:

Thursday, March 12, 2026, from 10:00 a.m.

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For more information, see Information sheet from the district of Groß-Gerau.